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Dr. Michael G. Bertos, MD

(Michael Bertos, MD)

(343 Ratings)

Specializes in: Physician, General Practice and Internal Medicine (Adult Medicine)

Boston University School of Medicine (1990)

Professional interests include: weight management, smoking cessation, health promotion, and more.

20 Research Place Suite 310
Chelmsford, MA 01863

(978) 459-2152

Dr. Michael G. Bertos, MD is a physician provider in Chelmsford, MA specializing in physician, general practice and internal medicine (adult medicine). He graduated from Boston University School of Medicine in 1990 and has 36 years of experience. Dr. Michael G. Bertos, MD is affiliated with Tufts Medicine and Merrimack Valley Internal Medicine Associates.

Office Locations

20 Research Place Suite 310
Chelmsford, MA 01863

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Noteworthy Medicare Patient Procedures Performed by Dr. Michael G. Bertos, MD in 2024

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

Top 5%

By Affordability:

mental health screening

screening test

In 2024, Dr. Michael G. Bertos, MD had a list price for mental health screening, and screening test that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Massachusetts. 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 Volume:

flu shot

mental health screening

In 2024, Dr. Michael G. Bertos, MD performed more flu shot, and mental health screening procedures for Medicare patients than 90% of providers in related specialties within Massachusetts.

Top 25%

By Volume:

preventive care

In 2012, Dr. Michael G. Bertos, MD performed more preventive care procedures for Medicare patients than 75% of providers in related specialties within Massachusetts.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Michael G. Bertos, MD treated as a physician provider in Chelmsford, MA during 2012 were nursing home care, preventive care, vaccines and hospital care.

Volume of procedures performed by Dr. Michael G. Bertos, MD for Medicare patients.

doctor visit	1032
ear procedures	16
hospital care	78
inpatient care	78
nursing home care	1952
preventive care	115
vaccines	115

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Michael G. Bertos, MD treated as a physician provider in Chelmsford, MA during 2013 were nursing home care, preventive care and vaccines.

Volume of procedures performed by Dr. Michael G. Bertos, MD for Medicare patients.

doctor visit	1069
nursing home care	2223
preventive care	105
vaccines	105

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Bertos, MD.

**Gender**
Male	360
Female	626

**Ethnicity**
Non-Hispanic White	937
Black	0
Hispanic	22
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	242
From 75 to 84	299
85 and over	360
Less than 65	85

Conditions of Medicare patients treated by Dr. Michael G. Bertos, MD in 2013

Hypertension	75
High Cholesterol	56
Stroke	10
Ischemic Heart Disease	43
Depression	45
Chronic Kidney Disease	43
Asthma	9
Osteoperosis	11
Atrial Fibrilation	23
Heart Failure	34
Chronic Obstructive Pulmonary Disease	26
Diabetes	41
Dementia	42
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Michael G. Bertos, MD treated as a physician provider in Chelmsford, MA during 2014 were nursing home care, preventive care, vaccines and ear procedures.

Volume of procedures performed by Dr. Michael G. Bertos, MD for Medicare patients.

doctor visit	827
ear procedures	14
nursing home care	2164
preventive care	67
vaccines	67

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Bertos, MD.

**Gender**
Male	341
Female	564

**Ethnicity**
Non-Hispanic White	861
Black	0
Hispanic	25
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	243
From 75 to 84	291
85 and over	302
Less than 65	69

Conditions of Medicare patients treated by Dr. Michael G. Bertos, MD in 2014

Hypertension	75
High Cholesterol	57
Stroke	9
Ischemic Heart Disease	46
Depression	45
Chronic Kidney Disease	45
Asthma	7
Osteoperosis	9
Atrial Fibrilation	23
Heart Failure	38
Chronic Obstructive Pulmonary Disease	26
Diabetes	43
Dementia	42
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Michael G. Bertos, MD treated as a physician provider in Chelmsford, MA during 2015 were nursing home care, preventive care, anorectal procedures and vaccines.

Volume of procedures performed by Dr. Michael G. Bertos, MD for Medicare patients.

anorectal procedures	16
doctor visit	591
nursing home care	1410
preventive care	27
vaccines	11

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Bertos, MD.

**Gender**
Male	600
Female	998

**Ethnicity**
Non-Hispanic White	1526
Black	0
Hispanic	44
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	404
From 75 to 84	498
85 and over	568
Less than 65	128

Conditions of Medicare patients treated by Dr. Michael G. Bertos, MD in 2015

Hypertension	75
High Cholesterol	53
Stroke	11
Ischemic Heart Disease	47
Depression	47
Chronic Kidney Disease	47
Asthma	12
Osteoperosis	9
Atrial Fibrilation	23
Heart Failure	39
Chronic Obstructive Pulmonary Disease	26
Diabetes	46
Dementia	45
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Michael G. Bertos, MD treated as a physician provider in Chelmsford, MA during 2016 were nursing home care, preventive care and vaccines.

Volume of procedures performed by Dr. Michael G. Bertos, MD for Medicare patients.

doctor visit	643
nursing home care	1162
preventive care	80
vaccines	80

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Bertos, MD.

**Gender**
Male	281
Female	509

**Ethnicity**
Non-Hispanic White	744
Black	0
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	216
From 75 to 84	245
85 and over	276
Less than 65	53

Conditions of Medicare patients treated by Dr. Michael G. Bertos, MD in 2016

Hypertension	75
High Cholesterol	58
Stroke	11
Ischemic Heart Disease	46
Depression	38
Chronic Kidney Disease	49
Asthma	25
Osteoperosis	8
Atrial Fibrilation	23
Heart Failure	36
Chronic Obstructive Pulmonary Disease	23
Diabetes	44
Dementia	44
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Michael G. Bertos, MD treated as a physician provider in Chelmsford, MA during 2017 were nursing home care, preventive care, vaccines and ear procedures.

Volume of procedures performed by Dr. Michael G. Bertos, MD for Medicare patients.

doctor visit	802
ear procedures	12
nursing home care	1700
preventive care	104
vaccines	104

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Bertos, MD.

**Gender**
Male	376
Female	585

**Ethnicity**
Non-Hispanic White	916
Black	0
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	255
From 75 to 84	296
85 and over	344
Less than 65	66

Conditions of Medicare patients treated by Dr. Michael G. Bertos, MD in 2017

Hypertension	75
High Cholesterol	46
Stroke	10
Ischemic Heart Disease	45
Depression	46
Chronic Kidney Disease	47
Asthma	5
Osteoperosis	8
Atrial Fibrilation	23
Heart Failure	39
Chronic Obstructive Pulmonary Disease	26
Diabetes	39
Dementia	46
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Michael G. Bertos, MD treated as a physician provider in Chelmsford, MA during 2018 were nursing home care, preventive care and vaccines.

Volume of procedures performed by Dr. Michael G. Bertos, MD for Medicare patients.

doctor visit	1155
nursing home care	1468
preventive care	208
vaccines	208

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Bertos, MD.

**Gender**
Male	552
Female	672

**Ethnicity**
Non-Hispanic White	1158
Black	0
Hispanic	32
Asian	21
Other	0
Native American	0

**Age**
From 65 to 74	380
From 75 to 84	397
85 and over	359
Less than 65	88

Conditions of Medicare patients treated by Dr. Michael G. Bertos, MD in 2018

Hypertension	75
High Cholesterol	64
Stroke	8
Ischemic Heart Disease	42
Depression	45
Chronic Kidney Disease	46
Asthma	6
Osteoperosis	7
Atrial Fibrilation	20
Heart Failure	37
Chronic Obstructive Pulmonary Disease	24
Diabetes	37
Dementia	36
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Michael G. Bertos, MD treated as a physician provider in Chelmsford, MA during 2019 were nursing home care, preventive care and vaccines.

Volume of procedures performed by Dr. Michael G. Bertos, MD for Medicare patients.

doctor visit	1119
nursing home care	1119
preventive care	306
vaccines	306

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Bertos, MD.

**Gender**
Male	560
Female	655

**Ethnicity**
Non-Hispanic White	1136
Black	0
Hispanic	40
Asian	20
Other	0
Native American	0

**Age**
From 65 to 74	388
From 75 to 84	402
85 and over	334
Less than 65	91

Conditions of Medicare patients treated by Dr. Michael G. Bertos, MD in 2019

Hypertension	75
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	47
Depression	50
Chronic Kidney Disease	49
Asthma	7
Osteoperosis	9
Atrial Fibrilation	22
Heart Failure	44
Chronic Obstructive Pulmonary Disease	27
Diabetes	38
Dementia	37
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Michael G. Bertos, MD treated as a physician provider in Chelmsford, MA during 2020 were nursing home care, preventive care and vaccines.

Volume of procedures performed by Dr. Michael G. Bertos, MD for Medicare patients.

doctor visit	925
nursing home care	1219
preventive care	465
vaccines	465

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Bertos, MD.

**Gender**
Male	559
Female	628

**Ethnicity**
Non-Hispanic White	1121
Black	0
Hispanic	38
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	369
From 75 to 84	414
85 and over	308
Less than 65	96

Conditions of Medicare patients treated by Dr. Michael G. Bertos, MD in 2020

Hypertension	75
High Cholesterol	66
Stroke	7
Ischemic Heart Disease	46
Depression	49
Chronic Kidney Disease	51
Asthma	7
Osteoperosis	11
Atrial Fibrilation	21
Heart Failure	46
Chronic Obstructive Pulmonary Disease	26
Diabetes	35
Dementia	35
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Michael G. Bertos, MD treated as a physician provider in Chelmsford, MA during 2021 were nursing home care, preventive care and vaccines.

Volume of procedures performed by Dr. Michael G. Bertos, MD for Medicare patients.

doctor visit	991
nursing home care	929
preventive care	143
vaccines	143

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Bertos, MD.

**Gender**
Male	493
Female	619

**Ethnicity**
Non-Hispanic White	1051
Black	0
Hispanic	38
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	351
From 75 to 84	394
85 and over	293
Less than 65	74

Conditions of Medicare patients treated by Dr. Michael G. Bertos, MD in 2021

Hypertension	75
High Cholesterol	73
Stroke	9
Ischemic Heart Disease	49
Depression	50
Chronic Kidney Disease	52
Asthma	7
Osteoperosis	12
Atrial Fibrilation	21
Heart Failure	49
Chronic Obstructive Pulmonary Disease	28
Diabetes	36
Dementia	35
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Michael G. Bertos, MD treated as a physician provider in Chelmsford, MA during 2022 were nursing home care, preventive care and vaccines.

Volume of procedures performed by Dr. Michael G. Bertos, MD for Medicare patients.

doctor visit	850
nursing home care	921
preventive care	153
vaccines	153

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Bertos, MD.

**Gender**
Male	475
Female	547

**Ethnicity**
Non-Hispanic White	942
Black	0
Hispanic	44
Asian	16
Other	0
Native American	0

**Age**
From 65 to 74	302
From 75 to 84	368
85 and over	267
Less than 65	85

Conditions of Medicare patients treated by Dr. Michael G. Bertos, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	43
Depression	48
Chronic Kidney Disease	45
Asthma	10
Osteoperosis	17
Atrial Fibrilation	29
Heart Failure	45
Chronic Obstructive Pulmonary Disease	31
Diabetes	38
Dementia	29
Cancer	15

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Michael G. Bertos, MD treated as a physician provider in Chelmsford, MA during 2023 were nursing home care, preventive care and vaccines.

Volume of procedures performed by Dr. Michael G. Bertos, MD for Medicare patients.

doctor visit	771
nursing home care	940
preventive care	45
vaccines	45

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Bertos, MD.

**Gender**
Male	463
Female	510

**Ethnicity**
Non-Hispanic White	880
Black	23
Hispanic	39
Asian	16
Other	0
Native American	0

**Age**
From 65 to 74	284
From 75 to 84	345
85 and over	259
Less than 65	85

Conditions of Medicare patients treated by Dr. Michael G. Bertos, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	41
Depression	50
Chronic Kidney Disease	48
Asthma	10
Osteoperosis	16
Atrial Fibrilation	30
Heart Failure	48
Chronic Obstructive Pulmonary Disease	33
Diabetes	42
Dementia	31
Cancer	17

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Michael G. Bertos, MD treated as a physician provider in Chelmsford, MA during 2024 were nursing home care, preventive care and vaccines.

Volume of procedures performed by Dr. Michael G. Bertos, MD for Medicare patients.

doctor visit	734
nursing home care	1037
preventive care	199
vaccines	89

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael G. Bertos, MD.

**Gender**
Male	465
Female	487

**Ethnicity**
Non-Hispanic White	873
Black	23
Hispanic	33
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	287
From 75 to 84	343
85 and over	257
Less than 65	65

Conditions of Medicare patients treated by Dr. Michael G. Bertos, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	44
Depression	51
Chronic Kidney Disease	53
Asthma	10
Osteoperosis	17
Atrial Fibrilation	30
Heart Failure	50
Chronic Obstructive Pulmonary Disease	34
Diabetes	43
Dementia	36
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Michael G. Bertos, MD for Medicare patients.

The highest averages for the top procedures that Dr. Michael G. Bertos, MD treated as a physician provider in Chelmsford, MA were nursing home care, preventive care, vaccines and hospital care.

anorectal procedures	16
doctor visit	885
ear procedures	14
hospital care	78
inpatient care	78
nursing home care	1403
preventive care	155
vaccines	145

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Michael G. Bertos, MD.

**Gender**
Female	569
Male	425

**Ethnicity**
Black / African American	3
Asian / Pacific Islander	6
Non-Hispanic White	934
Hispanic	30
Native American / Alaskan Native	0
Other	1

**Age**
85 and over	302
75 to 84	330
Less than 65	75
65 to 74	286

Average of Total of Conditions of Medicare patients treated by Dr. Michael G. Bertos, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Michael G. Bertos, MD treated were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	69
High Cholesterol	58
Stroke	10
Ischemic Heart Disease	41
Depression	43
Chronic Kidney Disease	44
Asthma	8
Osteoporosis	10
Heart Failure	38
Chronic Obstructive Pulmonary Disease	25
Diabetes	37
Atrial Fibrillation	22
Cancer	12
Dementia	35

Education & Training

Dr. Michael G. Bertos, MD graduated from Boston University School of Medicine in 1990. He completed residency at Boston University Medical Center. He is certified by the Board Certification: Internal Medicine and has a state license in Massachusetts.

Medical School: Boston University School of Medicine (1990)

Residency: Boston University Medical Center (2000)

Board Certification: Board Certification: Internal Medicine

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Michael G. Bertos, MD is associated with these hospitals and organizations:

Tufts Medicine

Merrimack Valley Internal Medicine Associates

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 G. Bertos, MD appears to accept the following insurance providers: LGPHO Harvard Pilgrim Health Care, LGPHO Tufts Health Plan, TMIN United Healthcare, LGPHO Unicare, LGPHO Coventry, TMIN Cigna, LGPHO Multiplan Inc PHCS, TMIN Fallon Navicare SCO, TMIN Aetna, LGPHO Blue Cross Blue Shield, LGPHO BCBS Med Adv, TMIN Aetna Med Adv, TMIN Fallon, TMIN Fallon Med Adv, LGPHO Pinnacle Health, TMIN Mass General Brigham Health Plan, LGPHO Commonwealth Care Alliance and Wellforce MSSP ACOMedicare ACO.

Insurance Accepted by Provider includes:

According to our sources, Dr. Michael G. Bertos, MD accepts the following insurance providers:

LGPHO Harvard Pilgrim Health Care

LGPHO Tufts Health Plan

TMIN United Healthcare

LGPHO Unicare

LGPHO Coventry

TMIN Cigna

LGPHO Multiplan Inc PHCS

TMIN Fallon Navicare SCO

TMIN Aetna

LGPHO Blue Cross Blue Shield

LGPHO BCBS Med Adv

TMIN Aetna Med Adv

TMIN Fallon

TMIN Fallon Med Adv

LGPHO Pinnacle Health

TMIN Mass General Brigham Health Plan

LGPHO Commonwealth Care Alliance

Wellforce MSSP ACOMedicare ACO

Ratings & Reviews

Dr. Michael G. Bertos, MD has an exceptional overall rating with an average of 4.9 out of 5 stars based on 343 ratings. We collect ratings and reviews of Dr. Michael G. Bertos, MD from all over the web to help you find the right in Chelmsford, MA.

4.9

Overall Rating

(343 Ratings)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 1.0 2022-03-28

Called to find a new PCP, but the office was not accepting new patients.  The receptionist, Hailey, was rude and not helpful.

General Payments

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

**Payments by Company**
Pfizer Inc.	$195 CHANTIX $104	ELIQUIS $69	COLOGUARD $22
GlaxoSmithKline, LLC.	$161 ANORO ELLIPTA $82	TRELEGY ELLIPTA $79
Amgen Inc.	$49 Aimovig $49
SANOFI-AVENTIS U.S. LLC	$23 SYNVISC-ONE $23
Ironwood Pharmaceuticals, Inc	$22 LINZESS $22
Other	$94 Inspire $17	Nuedexta $16	Lonhala Magnair $15	Balcoltra $14	XARELTO $12	Other $21

**Types of Payments**
Food and Beverage	$469
Education	$75

Biography

Dr. Michael Bertos is a general practice and physician specialist in North Chelmsford, MA and Chelmsford, MA. He is rated highly by his patients. Areas of expertise for Dr. Bertos include health promotion, exercise, and education. He is affiliated with Tufts Medicine. Dr. Bertos appears to be an in-network provider for MultiPlan, Coventry, and Cigna, in addition to other insurance carriers. According to Yext, he is not acceping new patients at this time. He is a graduate of Boston University School of Medicine and a graduate of Boston Medical Center's residency program. Dr. Bertos (or staff) is conversant in Spanish and Portuguese.