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Dr. Warren Lewis Fields, MD

(9 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

University of Connecticut School of Medicine

100 Perkins Farm Drive Suite 203
Mystic, CT 06355

(860) 572-8911

Dr. Warren Lewis Fields, MD is an internist in Mystic, CT specializing in internal medicine (adult medicine). He graduated from University of Connecticut School of Medicine. Dr. Warren Lewis Fields, MD is affiliated with Hartford Healthcare, Hartford HealthCare Medical Group and Backus Hospital Integrated Care Partners.

Office Locations

100 Perkins Farm Drive Suite 203
Mystic, CT 06355

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Noteworthy Medicare Patient Procedures Performed by Dr. Warren Lewis Fields, MD in 2023

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

Top 10%

By Volume:

flu shot

inpatient hospital care

In 2023, Dr. Warren Lewis Fields, MD performed more flu shot, and inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 90% of providers in related specialties within Connecticut.

Top 25%

By Volume:

A1C test

preventive care

By Affordability:

immunization

vaccines

In 2012, among providers in related specialties within Connecticut, Dr. Warren Lewis Fields, MD performed more A1C test, and preventive care procedures for Medicare patients than 75% of them and he also had a list price for immunization (preventive vaccines), and vaccines 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. Warren Lewis Fields, MD treated as an internist in Mystic, CT during 2012 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Warren Lewis Fields, MD for Medicare patients.

diabetes management	26
doctor visit	931
hospital care	1503
inpatient care	1448
lab tests	236
outpatient care	55
preventive care	276
vaccines	250

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Warren Lewis Fields, MD treated as an internist in Mystic, CT during 2013 were hospital care, inpatient care, preventive care and lab tests.

Volume of procedures performed by Dr. Warren Lewis Fields, MD for Medicare patients.

diabetes management	36
doctor visit	866
hospital care	1239
inpatient care	1165
lab tests	245
outpatient care	74
preventive care	246
vaccines	210

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren Lewis Fields, MD.

**Gender**
Male	489
Female	590

**Ethnicity**
Non-Hispanic White	980
Black	45
Hispanic	29
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	323
From 75 to 84	357
85 and over	282
Less than 65	117

Conditions of Medicare patients treated by Dr. Warren Lewis Fields, MD in 2013

Hypertension	75
High Cholesterol	62
Stroke	13
Ischemic Heart Disease	48
Depression	30
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	11
Atrial Fibrilation	22
Heart Failure	29
Chronic Obstructive Pulmonary Disease	26
Diabetes	32
Dementia	20
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Warren Lewis Fields, MD treated as an internist in Mystic, CT during 2014 were hospital care, inpatient care, lab tests and preventive care.

Volume of procedures performed by Dr. Warren Lewis Fields, MD for Medicare patients.

diabetes management	37
doctor visit	831
hospital care	813
inpatient care	773
lab tests	244
outpatient care	40
preventive care	243
vaccines	206

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren Lewis Fields, MD.

**Gender**
Male	451
Female	482

**Ethnicity**
Non-Hispanic White	842
Black	42
Hispanic	22
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	292
From 75 to 84	317
85 and over	236
Less than 65	88

Conditions of Medicare patients treated by Dr. Warren Lewis Fields, MD in 2014

Hypertension	75
High Cholesterol	61
Stroke	9
Ischemic Heart Disease	43
Depression	28
Chronic Kidney Disease	33
Asthma	11
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	30
Chronic Obstructive Pulmonary Disease	27
Diabetes	32
Dementia	18
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Warren Lewis Fields, MD treated as an internist in Mystic, CT during 2015 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Warren Lewis Fields, MD for Medicare patients.

diabetes management	47
doctor visit	750
hospital care	776
inpatient care	748
lab tests	245
outpatient care	28
preventive care	366
vaccines	319

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren Lewis Fields, MD.

**Gender**
Male	836
Female	928

**Ethnicity**
Non-Hispanic White	1576
Black	92
Hispanic	50
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	566
From 75 to 84	566
85 and over	442
Less than 65	190

Conditions of Medicare patients treated by Dr. Warren Lewis Fields, MD in 2015

Hypertension	75
High Cholesterol	58
Stroke	11
Ischemic Heart Disease	42
Depression	31
Chronic Kidney Disease	38
Asthma	21
Osteoperosis	10
Atrial Fibrilation	22
Heart Failure	29
Chronic Obstructive Pulmonary Disease	29
Diabetes	31
Dementia	22
Cancer	17

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Warren Lewis Fields, MD treated as an internist in Mystic, CT during 2016 were hospital care, inpatient care, lab tests and preventive care.

Volume of procedures performed by Dr. Warren Lewis Fields, MD for Medicare patients.

diabetes management	36
doctor visit	840
hospital care	936
inpatient care	872
lab tests	231
outpatient care	64
preventive care	221
vaccines	185

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren Lewis Fields, MD.

**Gender**
Male	418
Female	459

**Ethnicity**
Non-Hispanic White	779
Black	41
Hispanic	31
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	283
From 75 to 84	279
85 and over	216
Less than 65	99

Conditions of Medicare patients treated by Dr. Warren Lewis Fields, MD in 2016

Hypertension	75
High Cholesterol	68
Stroke	11
Ischemic Heart Disease	46
Depression	35
Chronic Kidney Disease	45
Asthma	34
Osteoperosis	11
Atrial Fibrilation	24
Heart Failure	34
Chronic Obstructive Pulmonary Disease	31
Diabetes	35
Dementia	24
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Warren Lewis Fields, MD treated as an internist in Mystic, CT during 2017 were hospital care, inpatient care, preventive care and lab tests.

Volume of procedures performed by Dr. Warren Lewis Fields, MD for Medicare patients.

diabetes management	46
doctor visit	842
hospital care	1276
inpatient care	1227
lab tests	148
outpatient care	49
preventive care	191
vaccines	145

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren Lewis Fields, MD.

**Gender**
Male	492
Female	522

**Ethnicity**
Non-Hispanic White	869
Black	69
Hispanic	39
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	308
From 75 to 84	318
85 and over	277
Less than 65	111

Conditions of Medicare patients treated by Dr. Warren Lewis Fields, MD in 2017

Hypertension	75
High Cholesterol	60
Stroke	12
Ischemic Heart Disease	45
Depression	35
Chronic Kidney Disease	45
Asthma	13
Osteoperosis	10
Atrial Fibrilation	25
Heart Failure	35
Chronic Obstructive Pulmonary Disease	33
Diabetes	35
Dementia	27
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Warren Lewis Fields, MD treated as an internist in Mystic, CT during 2018 were hospital care, inpatient care, preventive care and lab tests.

Volume of procedures performed by Dr. Warren Lewis Fields, MD for Medicare patients.

diabetes management	82
doctor visit	783
hospital care	1012
inpatient care	944
lab tests	189
outpatient care	68
preventive care	199
vaccines	104

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren Lewis Fields, MD.

**Gender**
Male	480
Female	446

**Ethnicity**
Non-Hispanic White	809
Black	51
Hispanic	27
Asian	0
Other	27
Native American	0

**Age**
From 65 to 74	293
From 75 to 84	299
85 and over	228
Less than 65	106

Conditions of Medicare patients treated by Dr. Warren Lewis Fields, MD in 2018

Hypertension	75
High Cholesterol	69
Stroke	10
Ischemic Heart Disease	42
Depression	34
Chronic Kidney Disease	45
Asthma	12
Osteoperosis	10
Atrial Fibrilation	24
Heart Failure	33
Chronic Obstructive Pulmonary Disease	33
Diabetes	35
Dementia	26
Cancer	17

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Warren Lewis Fields, MD treated as an internist in Mystic, CT during 2019 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Warren Lewis Fields, MD for Medicare patients.

diabetes management	82
doctor visit	736
hospital care	1167
inpatient care	1117
lab tests	108
outpatient care	50
preventive care	231
vaccines	149

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren Lewis Fields, MD.

**Gender**
Male	466
Female	460

**Ethnicity**
Non-Hispanic White	800
Black	45
Hispanic	44
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	298
From 75 to 84	300
85 and over	229
Less than 65	99

Conditions of Medicare patients treated by Dr. Warren Lewis Fields, MD in 2019

Hypertension	75
High Cholesterol	74
Stroke	12
Ischemic Heart Disease	40
Depression	35
Chronic Kidney Disease	48
Asthma	12
Osteoperosis	12
Atrial Fibrilation	24
Heart Failure	32
Chronic Obstructive Pulmonary Disease	35
Diabetes	33
Dementia	29
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Warren Lewis Fields, MD treated as an internist in Mystic, CT during 2020 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Warren Lewis Fields, MD for Medicare patients.

diabetes management	72
doctor visit	493
hospital care	1025
inpatient care	970
lab tests	84
outpatient care	55
preventive care	181
vaccines	109

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren Lewis Fields, MD.

**Gender**
Male	364
Female	379

**Ethnicity**
Non-Hispanic White	637
Black	37
Hispanic	31
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	234
From 75 to 84	243
85 and over	186
Less than 65	80

Conditions of Medicare patients treated by Dr. Warren Lewis Fields, MD in 2020

Hypertension	75
High Cholesterol	71
Stroke	14
Ischemic Heart Disease	40
Depression	35
Chronic Kidney Disease	48
Asthma	10
Osteoperosis	11
Atrial Fibrilation	23
Heart Failure	33
Chronic Obstructive Pulmonary Disease	29
Diabetes	34
Dementia	31
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Warren Lewis Fields, MD treated as an internist in Mystic, CT during 2021 were hospital care, inpatient care, preventive care and lab tests.

Volume of procedures performed by Dr. Warren Lewis Fields, MD for Medicare patients.

diabetes management	105
doctor visit	569
hospital care	845
inpatient care	834
lab tests	135
outpatient care	11
preventive care	207
vaccines	102

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren Lewis Fields, MD.

**Gender**
Male	434
Female	392

**Ethnicity**
Non-Hispanic White	720
Black	37
Hispanic	34
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	257
From 75 to 84	329
85 and over	164
Less than 65	76

Conditions of Medicare patients treated by Dr. Warren Lewis Fields, MD in 2021

Hypertension	69
High Cholesterol	63
Stroke	10
Ischemic Heart Disease	35
Depression	30
Chronic Kidney Disease	37
Asthma	7
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	24
Chronic Obstructive Pulmonary Disease	22
Diabetes	28
Dementia	21
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Warren Lewis Fields, MD treated as an internist in Mystic, CT during 2022 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Warren Lewis Fields, MD for Medicare patients.

diabetes management	73
doctor visit	570
hospital care	920
inpatient care	907
lab tests	93
outpatient care	13
preventive care	190
vaccines	117

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren Lewis Fields, MD.

**Gender**
Male	358
Female	341

**Ethnicity**
Non-Hispanic White	604
Black	36
Hispanic	25
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	212
From 75 to 84	265
85 and over	164
Less than 65	58

Conditions of Medicare patients treated by Dr. Warren Lewis Fields, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	37
Depression	30
Chronic Kidney Disease	34
Asthma	12
Osteoperosis	18
Atrial Fibrilation	31
Heart Failure	32
Chronic Obstructive Pulmonary Disease	31
Diabetes	34
Dementia	21
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Warren Lewis Fields, MD for Medicare patients.

The highest averages for the top procedures that Dr. Warren Lewis Fields, MD treated as an internist in Mystic, CT were hospital care, inpatient care, preventive care and lab tests.

diabetes management	58
doctor visit	746
hospital care	1046
inpatient care	1000
lab tests	178
outpatient care	46
preventive care	231
vaccines	172

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Warren Lewis Fields, MD.

**Gender**
Male	435
Female	454

**Ethnicity**
Black / African American	45
Asian / Pacific Islander	1
Non-Hispanic White	783
Native American / Alaskan Native	0
Hispanic	30
Other	14

**Age**
75 to 84	297
85 and over	220
Less than 65	93
65 to 74	278

Average of Total of Conditions of Medicare patients treated by Dr. Warren Lewis Fields, MD From 2012 - 2022

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

Hypertension	67
High Cholesterol	60
Stroke	10
Ischemic Heart Disease	38
Depression	29
Chronic Kidney Disease	36
Asthma	12
Osteoporosis	10
Heart Failure	28
Chronic Obstructive Pulmonary Disease	26
Diabetes	29
Atrial Fibrillation	21
Dementia	21
Cancer	14

Education & Training

Dr. Warren Lewis Fields, MD graduated from University of Connecticut School of Medicine. He completed residency at The Miriam Hospital. He is certified by the American Board of Internal Medicine and has a state license in Connecticut.

Medical School: University of Connecticut School of Medicine

Residency: The Miriam Hospital

Board Certification: American Board of Internal Medicine

Licensed In: Connecticut

Affiliations & Hospitals

Dr. Warren Lewis Fields, MD is associated with these hospitals and organizations:

Hartford Healthcare

Hartford HealthCare Medical Group

Backus Hospital Integrated Care Partners

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Warren Lewis Fields, MD appears to accept the following insurance providers: CorVel, Great-West Healthcare, WellCare, Evercare, MultiPlan, United Healthcare, Aetna, Oxford Health Plans, Cigna, Coventry, Anthem, ConnectiCare, Focus Health Solutions, Prime Health, First Health, Private Healthcare Systems (PHCS), CarePartners of Connecticut, Senior Whole Health, Health Direct, Colonial Cooperative Care, BCBS Medicare, Inc., Health Connecticut, Health New England, Healthy Connecticut, Connecticare Commercial, Essence Healthcare, Connecticare Medicare, Community Health Network of Connecticut and Northeast Health Direct.

Insurance Accepted by Provider includes:

According to our sources, Dr. Warren Lewis Fields, MD accepts the following insurance providers:

CorVel

Great-West Healthcare

WellCare

Evercare

MultiPlan

United Healthcare

Aetna

Oxford Health Plans

Cigna

Coventry

Anthem

ConnectiCare

Focus Health Solutions

Prime Health

First Health

Private Healthcare Systems (PHCS)

CarePartners of Connecticut

Senior Whole Health

Health Direct

Colonial Cooperative Care

BCBS Medicare

Inc.

Health Connecticut

Health New England

Healthy Connecticut

Connecticare Commercial

Essence Healthcare

Connecticare Medicare

Community Health Network of Connecticut

Northeast Health Direct

Ratings & Reviews

Dr. Warren Lewis Fields, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 9 ratings. We collect ratings and reviews of Dr. Warren Lewis Fields, MD from all over the web to help you find the right in Mystic, CT.

Overall Rating

(9 Ratings)

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$788 SYMBICORT $250	BREZTRI $250	FARXIGA $178	LOKELMA $36	BYDUREON $32	Other $42
Boehringer Ingelheim Pharmaceuticals, Inc.	$778 STIOLTO $158	STIOLTO RESPIMAT $110	JARDIANCE $104	SPIRIVA RESPIMAT $93	COMBIVENT RESPIMAT $46	Other $267
GlaxoSmithKline, LLC.	$709 ANORO $197	AREXVY $125	BREO $104	INCRUSE $78	ARNUITY $42	Other $163
Novo Nordisk Inc	$394 Victoza $180	Ozempic $84	Tresiba $54	NovoLog $44	Levemir $32
Janssen Pharmaceuticals, Inc	$314 XARELTO $182	INVOKANA $132
Other	$3,078 Senza Spinal Cord Stimulation System $279	ELIQUIS $133	Peripheral Orbital Atherectomy System $130	JANUMET XR $119	Trintellix $116	Other $2,301

**Types of Payments**
Food and Beverage	$5,994
Education	$67

Biography

Dr. Warren Fields is professionally affiliated with Hartford Healthcare. He studied medicine at the University of Connecticut School of Medicine. His medical residency was performed at The Miriam Hospital. Dr. Fields's average rating from his patients is 5.0 stars (out of 5). Dr. Fields accepts Anthem, ConnectiCare, and Blue California, in addition to other insurance carriers.