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Dr. Michael D. Andya, MD

Accepting New Patients

(2 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

University of California, Irvine, School of Medicine

101 Margaret Lane Suite A
Grass Valley, CA 95945

(530) 273-2221

Dr. Michael D. Andya, MD is an internist in Ste B Grass Valley, CA specializing in internal medicine (adult medicine). He graduated from University of California, Irvine, School of Medicine. Dr. Michael D. Andya, MD is affiliated with Sierra Nevada Memorial Hospital, Dignity Health and Hill Physicians.

Office Locations

Hill Physicians

101 Margaret Lane
Ste B Grass Valley, CA 95945

(530) 273-2221

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101 Margaret Lane Suite A
Grass Valley, CA 95945

(530) 273-2221

(530) 273-3550

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Dignity Health

402 S Auburn Street Suite A
Grass Valley, CA 95945

(530) 273-2221

(530) 273-3550

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Noteworthy Medicare Patient Procedures Performed by Dr. Michael D. Andya, MD in 2023

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

Top 5%

By Affordability:

coagulation tests

prothrombin time test

In 2023, Dr. Michael D. Andya, MD had a list price for coagulation (blood clotting) tests, and prothrombin time (PT) test that was lower than the list prices billed to Medicare by 95% of providers in related specialties within California. 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.

Top 10%

By Affordability:

blood tests

liver function tests

In 2023, Dr. Michael D. Andya, MD had a list price for blood tests, and liver function tests (LFTs) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within California. 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.

Top 25%

By Volume:

lab tests

urinalysis

By Affordability:

lab tests

urine tests

In 2012, among providers in related specialties within California, Dr. Michael D. Andya, MD performed more lab tests, and urinalysis procedures for Medicare patients than 75% of them and he also had a list price for lab tests, and urine tests 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. Michael D. Andya, MD treated as an internist in Ste B Grass Valley, CA during 2012 were preventive care, vaccines, hospital care and inpatient care.

Volume of procedures performed by Dr. Michael D. Andya, MD for Medicare patients.

doctor visit	1477
ear procedures	27
hospital care	236
inpatient care	211
lab tests	159
nursing home care	91
outpatient care	25
preventive care	325
removal of lesion (e.g. growth)	14
skin procedures	14
vaccines	325

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Michael D. Andya, MD treated as an internist in Ste B Grass Valley, CA during 2013 were preventive care, vaccines, lab tests and hospital care.

Volume of procedures performed by Dr. Michael D. Andya, MD for Medicare patients.

doctor visit	1570
ear procedures	25
hospital care	141
inpatient care	115
lab tests	227
nursing home care	26
outpatient care	26
preventive care	305
removal of lesion (e.g. growth)	14
skin procedures	14
vaccines	305

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Andya, MD.

**Gender**
Male	230
Female	260

**Ethnicity**
Non-Hispanic White	471
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	226
From 75 to 84	153
85 and over	97
Less than 65	14

Conditions of Medicare patients treated by Dr. Michael D. Andya, MD in 2013

Hypertension	72
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	29
Depression	18
Chronic Kidney Disease	11
Asthma	9
Osteoperosis	6
Atrial Fibrilation	16
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	24
Dementia	14
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Michael D. Andya, MD treated as an internist in Ste B Grass Valley, CA during 2014 were preventive care, vaccines, lab tests and hospital care.

Volume of procedures performed by Dr. Michael D. Andya, MD for Medicare patients.

doctor visit	1718
ear procedures	19
hospital care	59
inpatient care	59
lab tests	223
nursing home care	56
preventive care	454
vaccines	454

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Andya, MD.

**Gender**
Male	231
Female	231

**Ethnicity**
Non-Hispanic White	442
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	224
From 75 to 84	142
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael D. Andya, MD in 2014

Hypertension	72
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	27
Depression	16
Chronic Kidney Disease	10
Asthma	9
Osteoperosis	6
Atrial Fibrilation	15
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	22
Dementia	14
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Michael D. Andya, MD treated as an internist in Ste B Grass Valley, CA during 2015 were preventive care, vaccines, lab tests and ear procedures.

Volume of procedures performed by Dr. Michael D. Andya, MD for Medicare patients.

doctor visit	1571
ear procedures	13
lab tests	188
preventive care	388
vaccines	388

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Andya, MD.

**Gender**
Male	444
Female	450

**Ethnicity**
Non-Hispanic White	848
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	442
From 75 to 84	286
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael D. Andya, MD in 2015

Hypertension	70
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	26
Depression	17
Chronic Kidney Disease	9
Asthma	10
Osteoperosis	5
Atrial Fibrilation	13
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	20
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Michael D. Andya, MD treated as an internist in Ste B Grass Valley, CA during 2016 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Michael D. Andya, MD for Medicare patients.

doctor visit	1695
lab tests	236
preventive care	447
vaccines	424

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Andya, MD.

**Gender**
Male	240
Female	234

**Ethnicity**
Non-Hispanic White	444
Black	0
Hispanic	11
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	245
From 75 to 84	130
85 and over	85
Less than 65	14

Conditions of Medicare patients treated by Dr. Michael D. Andya, MD in 2016

Hypertension	63
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	24
Depression	17
Chronic Kidney Disease	11
Asthma	13
Osteoperosis	2
Atrial Fibrilation	12
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	19
Dementia	13
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Michael D. Andya, MD treated as an internist in Ste B Grass Valley, CA during 2017 were preventive care, vaccines, lab tests and chronic care.

Volume of procedures performed by Dr. Michael D. Andya, MD for Medicare patients.

chronic care	113
doctor visit	1479
lab tests	225
preventive care	259
vaccines	240

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Andya, MD.

**Gender**
Male	241
Female	227

**Ethnicity**
Non-Hispanic White	436
Black	0
Hispanic	12
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	230
From 75 to 84	142
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael D. Andya, MD in 2017

Hypertension	62
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	25
Depression	17
Chronic Kidney Disease	10
Asthma	8
Osteoperosis	4
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	19
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Michael D. Andya, MD treated as an internist in Ste B Grass Valley, CA during 2018 were chronic care, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Michael D. Andya, MD for Medicare patients.

chronic care	432
doctor visit	1506
lab tests	214
preventive care	235
vaccines	218

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Andya, MD.

**Gender**
Male	237
Female	220

**Ethnicity**
Non-Hispanic White	423
Black	0
Hispanic	11
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	222
From 75 to 84	139
85 and over	84
Less than 65	12

Conditions of Medicare patients treated by Dr. Michael D. Andya, MD in 2018

Hypertension	64
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	27
Depression	22
Chronic Kidney Disease	11
Asthma	10
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	7
Diabetes	18
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Michael D. Andya, MD treated as an internist in Ste B Grass Valley, CA during 2019 were chronic care, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Michael D. Andya, MD for Medicare patients.

chronic care	1063
doctor visit	1492
lab tests	177
preventive care	230
vaccines	218

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Andya, MD.

**Gender**
Male	221
Female	219

**Ethnicity**
Non-Hispanic White	406
Black	0
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	155
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael D. Andya, MD in 2019

Hypertension	65
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	23
Depression	25
Chronic Kidney Disease	11
Asthma	14
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	19
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Michael D. Andya, MD treated as an internist in Ste B Grass Valley, CA during 2020 were preventive care, chronic care, vaccines and lab tests.

Volume of procedures performed by Dr. Michael D. Andya, MD for Medicare patients.

chronic care	441
doctor visit	1233
lab tests	134
preventive care	442
vaccines	426

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Andya, MD.

**Gender**
Male	216
Female	209

**Ethnicity**
Non-Hispanic White	394
Black	0
Hispanic	11
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	201
From 75 to 84	149
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael D. Andya, MD in 2020

Hypertension	63
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	21
Depression	22
Chronic Kidney Disease	12
Asthma	12
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	18
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Michael D. Andya, MD treated as an internist in Ste B Grass Valley, CA during 2021 were chronic care, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Michael D. Andya, MD for Medicare patients.

chronic care	114
doctor visit	979
lab tests	16
preventive care	84
vaccines	72

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Andya, MD.

**Gender**
Male	207
Female	202

**Ethnicity**
Non-Hispanic White	379
Black	0
Hispanic	0
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	181
From 75 to 84	161
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael D. Andya, MD in 2021

Hypertension	62
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	21
Depression	22
Chronic Kidney Disease	16
Asthma	10
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	6
Diabetes	16
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Michael D. Andya, MD treated as an internist in Ste B Grass Valley, CA during 2022 were chronic care, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Michael D. Andya, MD for Medicare patients.

chronic care	242
doctor visit	1509
lab tests	112
preventive care	82
vaccines	64

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Andya, MD.

**Gender**
Male	238
Female	253

**Ethnicity**
Non-Hispanic White	453
Black	0
Hispanic	0
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	197
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael D. Andya, MD in 2022

Hypertension	67
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	22
Depression	19
Chronic Kidney Disease	11
Asthma	14
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	15
Chronic Obstructive Pulmonary Disease	9
Diabetes	18
Dementia	9
Cancer	15

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Michael D. Andya, MD treated as an internist in Ste B Grass Valley, CA during 2023 were lab tests and chronic care.

Volume of procedures performed by Dr. Michael D. Andya, MD for Medicare patients.

chronic care	143
doctor visit	1723
lab tests	174

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Andya, MD.

**Gender**
Male	241
Female	242

**Ethnicity**
Non-Hispanic White	444
Black	0
Hispanic	0
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	193
From 75 to 84	204
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael D. Andya, MD in 2023

Hypertension	70
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	23
Depression	19
Chronic Kidney Disease	11
Asthma	15
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	19
Dementia	11
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Michael D. Andya, MD for Medicare patients.

The highest averages for the top procedures that Dr. Michael D. Andya, MD treated as an internist in Ste B Grass Valley, CA were chronic care, preventive care, vaccines and lab tests.

chronic care	364
doctor visit	1496
ear procedures	21
hospital care	145
inpatient care	128
lab tests	173
nursing home care	57
outpatient care	25
preventive care	295
removal of lesion (e.g. growth)	14
skin procedures	14
vaccines	284

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Michael D. Andya, MD.

**Gender**
Male	228
Female	228

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	428
Hispanic	3
Native American / Alaskan Native	0
Other	14

**Age**
75 to 84	154
85 and over	22
Less than 65	3
65 to 74	214

Average of Total of Conditions of Medicare patients treated by Dr. Michael D. Andya, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Michael D. Andya, MD treated were high cholesterol, hypertension, ischemic heart disease and depression.

Hypertension	60
High Cholesterol	68
Stroke	6
Ischemic Heart Disease	22
Depression	17
Chronic Kidney Disease	10
Asthma	10
Osteoporosis	5
Heart Failure	12
Chronic Obstructive Pulmonary Disease	7
Diabetes	17
Atrial Fibrillation	12
Cancer	10
Dementia	10

Education & Training

Dr. Michael D. Andya, MD graduated from University of California, Irvine, School of Medicine. He completed residency at University of California, Davis Affiliated Hospitals. He is certified by the Internal Medicine and has a state license in California.

Medical School: University of California, Irvine, School of Medicine

Residency: University of California, Davis Affiliated Hospitals

Board Certification: Internal Medicine

Licensed In: California

Affiliations & Hospitals

Dr. Michael D. Andya, MD is associated with these hospitals and organizations:

Sierra Nevada Memorial Hospital

Dignity Health

Hill Physicians

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. Michael D. Andya, MD appears to accept the following insurance providers: Cigna, Aetna, Health Net, UnitedHealthcare, Anthem, Blue Shield of California and Hill Physicians Care Solutions.

Insurance Accepted by Provider includes:

According to our sources, Dr. Michael D. Andya, MD accepts the following insurance providers:

Cigna

Aetna

Health Net

UnitedHealthcare

Anthem

Blue Shield of California

Hill Physicians Care Solutions

Ratings & Reviews

Dr. Michael D. Andya, MD has a good overall rating with an average of 3.0 out of 5 stars based on 2 ratings. We collect ratings and reviews of Dr. Michael D. Andya, MD from all over the web to help you find the right in Ste B Grass Valley, CA.

Overall Rating

(2 Ratings)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 5.0 2019-01-24

Great job Dr Andya, very personable and efficient. To bad all Doctors are not so caring for their patients.
Thank you Dr A !

General Payments

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

**Payments by Company**
Boehringer Ingelheim Pharmaceuticals, Inc.	$109 Pradaxa $38	SPIRIVA RESPIMAT $31	STIOLTO $21	Spiriva $19
E.R. Squibb & Sons, L.L.C.	$86 ELIQUIS $64	SUSTIVA $22
GlaxoSmithKline, LLC.	$78 SHINGRIX $34	ANORO $30	BREO $15
Pfizer Inc.	$45 ELIQUIS $25	VIAGRA $21
Janssen Pharmaceuticals, Inc	$29 INVOKANA $17	XARELTO $12
Other	$91 TOUJEO $29	BYSTOLIC $24	UBRELVY $16	FARXIGA $12	JANUVIA $10

**Types of Payments**
Food and Beverage	$439

Biography

Dr. Michael Andya is professionally affiliated with Hill Physicians and Sierra Nevada Memorial Hospital. He accepts several insurance carriers, including Blue Shield, Health Net, and Anthem. Dr. Andya welcomes new patients at his office inSte B Grass Valley, CA as reported by Hill Physicians. After completing medical school at the University of California, Irvine, School of Medicine, he performed his residency at a hospital affiliated with the University of California, Davis.