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Dr. John Jr Frese, MD

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(Dr. John Frese, M.D.)

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Specializes in: Adult Gastroenterology

University of Connecticut School of Medicine (1989)

Professional interests include: colonoscopy, endoscopy

234a Bank Street Coastal Digestive Diseases
New London, CT 06320

(860) 442-0290

Dr. John Jr Frese, MD is a gastroenterologist in New London, CT specializing in adult gastroenterology. He graduated from University of Connecticut School of Medicine in 1989 and has 37 years of experience. Dr. John Jr Frese, MD is affiliated with Lawrence + Memorial Hospital, Yale New Haven Health and CONNECTICUT GI PC.

Office Locations

234a Bank Street Coastal Digestive Diseases
New London, CT 06320

open_in_new

Some issues Dr. John Jr Frese, MD can help you with:

Colonoscopy

Colonoscopy is the use of a special tool called a colonoscope (a thin, flexible tube with a camera on the end) to examine the inside of the colon and rectum. The tube is typically inserted anally, and it allows the physician to examine the large intestine from the inside. It may be done at any time to diagnose bowel problems, but routine colonoscopies are advised after the age of 50 to screen for colon cancer.

A colonoscopy may be performed to diagnose:

Intestinal ulcers
Polyps
Bowel cancer
An unidentified source of pain or bleeding in the intestine

Patients may be asked to drink only liquids in the days before a colonoscopy, or they may be given an enema to remove residual fecal matter. Before the exam, patients are given medication to help them relax, and then lay on their side on a table. The scope is inserted into the anus and gently moved all the way through the large intestine. Air may be pumped into the intestine to improve the view for the physician. Any polyps that are found will be removed. Then the colonoscope will be withdrawn. A colonoscopy is not usually painful, but patients may feel some bloating or have some cramps right afterward. If patients have polyps removed, they might experience a small amount of bleeding. Any side effects should go away within a few hours.

Noteworthy Medicare Patient Procedures Performed by Dr. John Jr Frese, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Volume:

inpatient hospital care

In 2023, Dr. John Jr Frese, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 95% of providers in related specialties within Connecticut.

Top 25%

By Volume:

colonoscopy

colonoscopy with biopsy

colonoscopy with lesion removal

gastrointestinal biopsy

removal of lesion

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, among providers in related specialties within Connecticut, Dr. John Jr Frese, MD performed more colonoscopy, colonoscopy with biopsy, colonoscopy with lesion removal, gastrointestinal biopsy, and removal of lesion (e.g. growth) procedures for Medicare patients than 75% of them and he also had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 75% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John Jr Frese, MD treated as a gastroenterologist in New London, CT during 2012 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. John Jr Frese, MD for Medicare patients.

diagnostic procedures	557
doctor visit	441
gastrointestinal procedures	612
hospital care	487
inpatient care	487
minimally invasive procedures	612
preventive care	55
removal of lesion (e.g. growth)	557

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Jr Frese, MD treated as a gastroenterologist in New London, CT during 2013 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. John Jr Frese, MD for Medicare patients.

diagnostic procedures	622
doctor visit	387
gastrointestinal procedures	688
hospital care	363
inpatient care	363
minimally invasive procedures	688
preventive care	66
removal of lesion (e.g. growth)	622

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jr Frese, MD.

**Gender**
Male	318
Female	370

**Ethnicity**
Non-Hispanic White	613
Black	33
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	315
From 75 to 84	205
85 and over	70
Less than 65	98

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2013

Hypertension	72
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	34
Depression	29
Chronic Kidney Disease	26
Asthma	10
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	19
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	12
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Jr Frese, MD treated as a gastroenterologist in New London, CT during 2014 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. John Jr Frese, MD for Medicare patients.

diagnostic procedures	633
doctor visit	311
gastrointestinal procedures	703
hospital care	434
inpatient care	434
minimally invasive procedures	703
preventive care	57
removal of lesion (e.g. growth)	633

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jr Frese, MD.

**Gender**
Male	313
Female	337

**Ethnicity**
Non-Hispanic White	573
Black	20
Hispanic	28
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	295
From 75 to 84	187
85 and over	82
Less than 65	86

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2014

Hypertension	75
High Cholesterol	62
Stroke	6
Ischemic Heart Disease	36
Depression	32
Chronic Kidney Disease	31
Asthma	12
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	21
Chronic Obstructive Pulmonary Disease	22
Diabetes	31
Dementia	12
Cancer	18

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Jr Frese, MD treated as a gastroenterologist in New London, CT during 2015 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. John Jr Frese, MD for Medicare patients.

diagnostic procedures	551
doctor visit	324
gastrointestinal procedures	636
hospital care	376
inpatient care	376
minimally invasive procedures	636
preventive care	73
removal of lesion (e.g. growth)	551

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jr Frese, MD.

**Gender**
Male	576
Female	682

**Ethnicity**
Non-Hispanic White	1094
Black	58
Hispanic	52
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	534
From 75 to 84	384
85 and over	144
Less than 65	196

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2015

Hypertension	72
High Cholesterol	62
Stroke	9
Ischemic Heart Disease	32
Depression	31
Chronic Kidney Disease	28
Asthma	21
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	19
Chronic Obstructive Pulmonary Disease	24
Diabetes	31
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Jr Frese, MD treated as a gastroenterologist in New London, CT during 2016 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. John Jr Frese, MD for Medicare patients.

diagnostic procedures	700
doctor visit	288
gastrointestinal procedures	778
hospital care	377
inpatient care	377
minimally invasive procedures	778
preventive care	67
removal of lesion (e.g. growth)	700

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jr Frese, MD.

**Gender**
Male	343
Female	361

**Ethnicity**
Non-Hispanic White	619
Black	26
Hispanic	27
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	328
From 75 to 84	211
85 and over	77
Less than 65	88

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2016

Hypertension	72
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	30
Depression	29
Chronic Kidney Disease	33
Asthma	24
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	18
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Jr Frese, MD treated as a gastroenterologist in New London, CT during 2017 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. John Jr Frese, MD for Medicare patients.

diagnostic procedures	674
doctor visit	259
gastrointestinal procedures	754
hospital care	388
inpatient care	388
minimally invasive procedures	754
preventive care	63
removal of lesion (e.g. growth)	674

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jr Frese, MD.

**Gender**
Male	292
Female	375

**Ethnicity**
Non-Hispanic White	571
Black	29
Hispanic	28
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	334
From 75 to 84	192
85 and over	76
Less than 65	65

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2017

Hypertension	70
High Cholesterol	45
Stroke	5
Ischemic Heart Disease	31
Depression	31
Chronic Kidney Disease	30
Asthma	11
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	29
Dementia	14
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Jr Frese, MD treated as a gastroenterologist in New London, CT during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. John Jr Frese, MD for Medicare patients.

diagnostic procedures	581
doctor visit	249
gastrointestinal procedures	620
hospital care	352
inpatient care	322
minimally invasive procedures	620
outpatient care	30
preventive care	39
removal of lesion (e.g. growth)	581

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jr Frese, MD.

**Gender**
Male	262
Female	317

**Ethnicity**
Non-Hispanic White	495
Black	22
Hispanic	20
Asian	0
Other	30
Native American	0

**Age**
From 65 to 74	269
From 75 to 84	182
85 and over	61
Less than 65	67

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2018

Hypertension	73
High Cholesterol	65
Stroke	4
Ischemic Heart Disease	32
Depression	27
Chronic Kidney Disease	35
Asthma	9
Osteoperosis	14
Atrial Fibrilation	15
Heart Failure	19
Chronic Obstructive Pulmonary Disease	21
Diabetes	31
Dementia	16
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Jr Frese, MD treated as a gastroenterologist in New London, CT during 2019 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. John Jr Frese, MD for Medicare patients.

diagnostic procedures	440
doctor visit	203
gastrointestinal procedures	494
hospital care	301
inpatient care	301
minimally invasive procedures	494
preventive care	40
removal of lesion (e.g. growth)	440

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jr Frese, MD.

**Gender**
Male	251
Female	275

**Ethnicity**
Non-Hispanic White	433
Black	24
Hispanic	36
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	253
From 75 to 84	144
85 and over	64
Less than 65	65

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2019

Hypertension	72
High Cholesterol	70
Stroke	7
Ischemic Heart Disease	28
Depression	29
Chronic Kidney Disease	40
Asthma	11
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	19
Chronic Obstructive Pulmonary Disease	23
Diabetes	31
Dementia	16
Cancer	19

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Jr Frese, MD treated as a gastroenterologist in New London, CT during 2020 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. John Jr Frese, MD for Medicare patients.

diagnostic procedures	288
doctor visit	194
gastrointestinal procedures	322
hospital care	310
inpatient care	310
minimally invasive procedures	322
preventive care	34
removal of lesion (e.g. growth)	288

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jr Frese, MD.

**Gender**
Male	204
Female	237

**Ethnicity**
Non-Hispanic White	382
Black	16
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	207
From 75 to 84	119
85 and over	58
Less than 65	57

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2020

Hypertension	71
High Cholesterol	64
Stroke	7
Ischemic Heart Disease	33
Depression	34
Chronic Kidney Disease	40
Asthma	11
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	25
Chronic Obstructive Pulmonary Disease	27
Diabetes	29
Dementia	17
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Jr Frese, MD treated as a gastroenterologist in New London, CT during 2021 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. John Jr Frese, MD for Medicare patients.

diagnostic procedures	259
doctor visit	196
gastrointestinal procedures	326
hospital care	414
inpatient care	414
minimally invasive procedures	326
preventive care	51
removal of lesion (e.g. growth)	259

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jr Frese, MD.

**Gender**
Male	208
Female	237

**Ethnicity**
Non-Hispanic White	375
Black	22
Hispanic	0
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	184
From 75 to 84	147
85 and over	53
Less than 65	61

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2021

Hypertension	74
High Cholesterol	66
Stroke	7
Ischemic Heart Disease	32
Depression	31
Chronic Kidney Disease	40
Asthma	11
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	20
Chronic Obstructive Pulmonary Disease	21
Diabetes	31
Dementia	15
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Jr Frese, MD treated as a gastroenterologist in New London, CT during 2022 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. John Jr Frese, MD for Medicare patients.

diagnostic procedures	276
doctor visit	160
gastrointestinal procedures	351
hospital care	335
inpatient care	335
minimally invasive procedures	351
preventive care	57
removal of lesion (e.g. growth)	276

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jr Frese, MD.

**Gender**
Male	211
Female	237

**Ethnicity**
Non-Hispanic White	390
Black	19
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	204
From 75 to 84	157
85 and over	49
Less than 65	38

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	27
Depression	28
Chronic Kidney Disease	27
Asthma	13
Osteoperosis	20
Atrial Fibrilation	24
Heart Failure	21
Chronic Obstructive Pulmonary Disease	26
Diabetes	27
Dementia	10
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John Jr Frese, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Jr Frese, MD treated as a gastroenterologist in New London, CT were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

diagnostic procedures	507
doctor visit	273
gastrointestinal procedures	571
hospital care	376
inpatient care	373
minimally invasive procedures	571
outpatient care	30
preventive care	54
removal of lesion (e.g. growth)	507

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John Jr Frese, MD.

**Gender**
Male	270
Female	311

**Ethnicity**
Black / African American	24
Asian / Pacific Islander	0
Non-Hispanic White	504
Hispanic	21
Native American / Alaskan Native	0
Other	12

**Age**
75 to 84	175
85 and over	66
Less than 65	74
65 to 74	265

Average of Total of Conditions of Medicare patients treated by Dr. John Jr Frese, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John Jr Frese, MD treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	66
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	28
Depression	27
Chronic Kidney Disease	30
Asthma	12
Osteoporosis	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	20
Diabetes	27
Atrial Fibrillation	15
Cancer	14
Dementia	12

Education & Training

Dr. John Jr Frese, MD graduated from University of Connecticut School of Medicine in 1989. He completed residency at University of Connecticut Affiliated Hospitals. He has a state license in Connecticut.

Medical School: University of Connecticut School of Medicine (1989)

Residency: University of Connecticut Affiliated Hospitals

Licensed In: Connecticut

Affiliations & Hospitals

Dr. John Jr Frese, MD is associated with these hospitals and organizations:

Lawrence + Memorial Hospital

Yale New Haven Health

CONNECTICUT GI PC

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. John Jr Frese, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
AbbVie, Inc.	$2,738 Creon $1,093	Humira $999	Viekira $329	Mavyret $243	Viekira Pak $24	Other $50
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$1,408 XIFAXAN $1,155	Trulance $216	Uceris $37
Janssen Biotech, Inc.	$1,034 SIMPONI $453	STELARA $320	REMICADE $117	SIMPONI ARIA $75	OLYSIO $70
Gilead Sciences Inc	$992 $992
AbbVie Inc.	$973 Skyrizi $251	LINZESS $191	Rinvoq $180	Creon $136	Humira $127	Other $90
Other	$9,229 ENTYVIO $823	LINZESS $709	VIBERZI $541	Cimzia $539	XIFAXAN $496	Other $6,120

**Types of Payments**
Food and Beverage	$16,278
Education	$71
Consulting Fee	$15
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$11

Biography

Dr. John Frese specializes in adult gastroenterology and practices in New London, CT. He is especially interested in colonoscopy. He is affiliated with Lawrence + Memorial Hospital. Dr. Frese has an open panel in New London, CT according to Lawrence + Memorial Hospital. Dr. Frese graduated from the University of Connecticut School of Medicine and then he performed his residency at a hospital affiliated with the University of Connecticut.

Select Year:

Dr. John Jr Frese, MD

Office Locations

Some issues Dr. John Jr Frese, MD can help you with:

Noteworthy Medicare Patient Procedures Performed by Dr. John Jr Frese, MD in 2023

By Volume:

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jr Frese, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. John Jr Frese, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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