Active NPI 1043245145 Individual Practitioner Male Practitioner

Dr. Michael G Bertos , MD

Internal Medicine • N Chelmsford, MA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Michael Bertos, MD is a certified Internal Medicine practicing in N Chelmsford, MA. With approximately 29 years of clinical experience since graduating from Boston University School Of Medicine in 1997, Dr. Bertos delivers high-quality medical care to the local community at 20 RESEARCH PL.

Dr. Bertos is affiliated with Lgh Professional Services Llc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, initial nursing facility visit, subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

20 Research Pl
Suite 310

N Chelmsford, MA 018632454

Telephone 9784592152

Associated Practice Facility / Clinic

🏢 Philip J Tavano Md Pc Facility NPI 1801809967

Medicare Profile & Education

Medical School

Boston University School Of Medicine

Graduation Year

1997

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in N Chelmsford, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

29 Yrs Matches City Avg

City Avg: 29.0 Yrs

State Avg: 29.3 Yrs

Regional Practice Density

3 Specialists

Practicing in N Chelmsford, MA (7127 Statewide)

Telehealth Adoption Rate

66.7% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

65.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Bertos (29 Years) 29 Yrs

N Chelmsford Specialty Average (29.0 Years) 29.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	642	379	$358.00	$139.14
99306 Initial nursing facility visit, typically 45 minutes per day	428	373	$595.66	$191.66
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	375	145	$327.33	$114.55
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	180	150	$48.00	$17.33
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	171	116	$246.32	$79.52
96127 Assessment of emotional or behavioral problems	110	78	$18.00	$5.35
G0008 Administration of influenza virus vaccine	91	91	$92.74	$35.30
90653 Vaccine for influenza for injection into muscle	77	77	$421.65	$81.82
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	69	61	$480.00	$195.32
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	63	51	$485.03	$162.86
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	53	32	$125.00	$12.25
99443 Telephone medical discussion with physician, 21-30 minutes	35	22	$148.55	$121.06
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	24	18	$41.46	$15.72
99213 Established patient office or other outpatient visit, typically 15 minutes	23	23	$244.00	$99.58
G0009 Administration of pneumococcal vaccine	12	12	$92.74	$35.30
90656 Vaccine for influenza for administration into muscle, 0.5 ml dosage	12	12	$147.92	$21.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	680	401	$358.00	$140.08
99306 Initial nursing facility visit, typically 45 minutes per day	446	361	$596.24	$196.16
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	244	157	$246.32	$80.80
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	219	137	$327.59	$115.64
G0008 Administration of influenza virus vaccine	86	86	$92.74	$31.47
99213 Established patient office or other outpatient visit, typically 15 minutes	79	79	$244.00	$99.90
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	64	64	$437.28	$75.81
99443 Telephone medical discussion with physician, 21-30 minutes	36	25	$169.84	$108.24
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	31	28	$485.03	$165.88
G0009 Administration of pneumococcal vaccine	30	30	$92.74	$31.47
90670 Pneumococcal vaccine for injection into muscle	16	16	$602.53	$252.83
90662 Influenza vaccine split virus, preservative free	16	16	$151.05	$68.96
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	13	13	$368.11	$130.80
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	12	$480.00	$197.19
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	11	11	$41.46	$16.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	850	474	$325.04	$142.71
99306 Initial nursing facility visit, typically 45 minutes per day	457	362	$596.77	$178.17
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	237	134	$327.59	$99.16
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	192	86	$246.32	$75.05
G0008 Administration of influenza virus vaccine	134	128	$92.74	$30.88
90662 Influenza vaccine split virus, preservative free	107	107	$83.25	$68.66
99443 Telephone medical discussion with physician, 21-30 minutes	73	46	$273.47	$123.11
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	56	13	$63.05	$16.39
G0009 Administration of pneumococcal vaccine	54	54	$92.74	$31.09
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	35	31	$485.03	$146.00
90670 Pneumococcal vaccine for injection into muscle	29	29	$306.64	$242.79
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	29	28	$190.47	$56.96
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	18	18	$511.88	$146.08
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	17	17	$147.00	$132.92
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	17	17	$836.57	$278.05
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	15	15	$99.64	$66.43
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	12	11	$147.29	$46.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	991	468	$388.53	$145.22
99306 Initial nursing facility visit, typically 45 minutes per day	463	384	$596.26	$181.27
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	284	131	$327.59	$99.97
99443 Telephone medical discussion with physician, 21-30 minutes	178	113	$520.57	$143.56
G0008 Administration of influenza virus vaccine	171	170	$92.73	$17.88
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	129	79	$246.32	$75.75
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	110	110	$99.64	$65.83
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	109	22	$69.89	$16.17
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	107	21	$7.02	$0.57
G0009 Administration of pneumococcal vaccine	79	79	$92.73	$17.85
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	56	56	$147.00	$124.21
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	53	42	$485.03	$147.93
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	38	38	$44.25	$20.38
69209 Removal of impacted ear wax by washing	26	24	$150.86	$25.39
90670 Pneumococcal vaccine for injection into muscle	25	25	$306.64	$237.78
90662 Influenza vaccine split virus, preservative free	24	24	$83.25	$64.55
99496 Transitional care management services for problem of high complexity	24	21	$827.86	$315.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	914	495	$388.53	$120.73
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	487	201	$327.59	$100.91
99306 Initial nursing facility visit, typically 45 minutes per day	359	309	$596.77	$182.72
99443 Telephone medical discussion with physician, 21-30 minutes	295	210	$520.57	$121.98
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	241	146	$485.03	$148.10
G0008 Administration of influenza virus vaccine	240	239	$92.61	$17.77
G0009 Administration of pneumococcal vaccine	216	215	$92.73	$17.75
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	145	145	$44.25	$19.46
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	132	95	$246.32	$76.19
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	116	116	$147.00	$119.51
90670 Pneumococcal vaccine for injection into muscle	106	106	$306.64	$226.78
90662 Influenza vaccine split virus, preservative free	98	98	$83.25	$60.98
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	89	23	$69.89	$15.92
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	89	23	$0.01	$0.01
99443 Telephone medical discussion with physician, 21-30 minutes	44	29	$520.57	$86.50
99496 Transitional care management services for problem of high complexity	42	38	$827.86	$275.50
69209 Removal of impacted ear wax by washing	30	25	$150.86	$22.99
99318 Nursing facility annual assessment, typically 30 minutes	14	14	$342.83	$105.60
99213 Established patient office or other outpatient visit, typically 15 minutes	11	11	$265.37	$84.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,053	533	$329.18	$119.15
99306 Initial nursing facility visit, typically 45 minutes per day	499	421	$361.24	$179.74
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	303	169	$226.87	$99.51
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	239	121	$196.87	$74.95
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	190	188	$44.25	$18.45
G0008 Administration of influenza virus vaccine	188	186	$65.00	$18.63
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	183	31	$69.89	$18.66
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	183	31	$0.01	$0.01
G0009 Administration of pneumococcal vaccine	110	110	$70.00	$18.65
90670 Pneumococcal vaccine for injection into muscle	93	93	$306.64	$211.02
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	66	61	$406.35	$155.80
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	65	56	$350.62	$146.91
69209 Removal of impacted ear wax by washing	32	27	$150.86	$23.77
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	23	23	$147.00	$111.93
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	13	13	$281.10	$140.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,025	558	$329.18	$118.38
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	584	185	$195.42	$75.68
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	395	184	$225.76	$99.77
99306 Initial nursing facility visit, typically 45 minutes per day	365	330	$359.28	$180.51
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	210	37	$69.89	$23.34
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	208	208	$44.25	$18.65
G0008 Administration of influenza virus vaccine	203	203	$65.00	$21.57
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	145	29	$0.01	$0.01
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	116	110	$406.35	$158.65
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	111	94	$350.36	$148.05
69209 Removal of impacted ear wax by washing	47	39	$150.86	$19.72
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	23	23	$495.65	$129.54
99318 Nursing facility annual assessment, typically 30 minutes	15	15	$323.01	$105.00
99213 Established patient office or other outpatient visit, typically 15 minutes	14	13	$233.90	$76.65
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	13	13	$281.10	$141.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	605	327	$212.05	$116.31
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes	463	143	$50.48	$47.70
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	355	198	$113.60	$73.65
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	246	169	$195.00	$73.72
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes	202	125	$150.00	$47.60
99213 Established patient office or other outpatient visit, typically 15 minutes	197	154	$105.09	$79.25
99306 Initial nursing facility visit, typically 45 minutes per day	133	129	$232.73	$176.10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	117	117	$172.70	$125.34
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	115	103	$196.96	$144.86
G0008 Administration of influenza virus vaccine	109	109	$64.72	$26.66
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	104	104	$44.25	$18.29
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	73	63	$350.00	$144.81
G0444 Annual depression screening, 5 to 15 minutes	52	52	$25.58	$19.96
G0442 Annual alcohol misuse screening, 5 to 15 minutes	48	48	$25.00	$19.96
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	36	36	$180.57	$138.36
99306 Initial nursing facility visit, typically 45 minutes per day	32	32	$359.28	$176.77
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	27	26	$206.85	$97.52
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	25	17	$51.93	$27.13
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	18	18	$281.10	$138.30
99315 Nursing facility discharge day management, 30 minutes or less	15	15	$149.09	$77.21
69210 Removal of impacted ear wax	12	11	$104.24	$53.66

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 160611

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Lgh Professional Services Llc

20 Research Pl, North Chelmsford, MA 018632455

Phone: 9784592152

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

8 Associated Practitioners

Dr. Louis Bresnick , MD

Internal Medicine

NPI 1205861390

Doctor of Medicine (M.D.)

Kayla Cantres , NP

Nurse Practitioner

NPI 1265212476

Nurse Practitioner

Marva Murphy , APRN

Nurse Practitioner

NPI 1407941420

Advanced Practice Registered Nurse

Jayme Cerullo , NP

Nurse Practitioner - Family

NPI 1689711871

Nurse Practitioner

Joshua Goldberg

Internal Medicine

NPI 1699320432

Dr. Philip Tavano , MD

Internal Medicine

NPI 1710919238

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active November 02, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location November 02, 2011

Registered at 20 RESEARCH PL, SUITE 310, N CHELMSFORD, MA 018632454 (Tel: 9784592152)

📍

Updated Business Mailing Address November 02, 2011

Registered at 20 RESEARCH PL, SUITE 310, N CHELMSFORD, MA 018632454 (Tel: 9784592152)

👤

Provider Name / Credentials Updated November 02, 2011

Recorded as MICHAEL BERTOS, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 02, 2011

Internal Medicine (License #160611 in MA)

🟢

Initial NPI Registration & Enumeration July 11, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1043245145

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 11, 2006

Last Update: November 02, 2011

Sole Proprietor: No

Update or Correct Profile

Mailing Address

20 Research Pl, Suite 310

N Chelmsford, MA 018632454

Phone: 9784592152

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.