Active NPI 1508857012 Individual Practitioner Male Practitioner

Dr. Michael E Aronoff , MD

Internal Medicine • Boston, MA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Michael Aronoff, MD is a certified Internal Medicine practicing in Boston, MA. With approximately 35 years of clinical experience since completing medical education in 1991, Dr. Aronoff delivers high-quality medical care to the local community at 55 FRUIT ST.

Dr. Aronoff maintains professional affiliations with New England Baptist Medical Associates, Inc., Massachusetts General Physicians Organization Inc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least, initial hospital care with straightforward or low-level medical decision making, 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

55 Fruit St
Grj 504 Infectious Disease Associates

Boston, MA 021142696

Telephone 6177263812

Associated Practice Facility / Clinic

🏢 Massachusetts General Hospital Facility NPI 1184613721

Medicare Profile & Education

Medical School

Other

Graduation Year

1991

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Boston, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

35 Yrs +17.6 yrs vs City Avg

City Avg: 17.4 Yrs

State Avg: 29.3 Yrs

Regional Practice Density

2379 Specialists

Practicing in Boston, MA (7127 Statewide)

Telehealth Adoption Rate

24.8% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

75.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Aronoff (35 Years) 35 Yrs

Boston Specialty Average (17.4 Years) 17.4 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	422	175	$331.14	$82.32
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	374	134	$316.97	$79.03
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	158	157	$545.28	$136.36
99306 Initial nursing facility visit, typically 45 minutes per day	117	116	$768.28	$191.06
99231 Follow-up hospital inpatient care per day, typically 15 minutes	96	63	$207.83	$51.61
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes	70	49	$177.51	$42.57
99221 Initial hospital inpatient care per day, typically 30 minutes	63	63	$407.00	$86.17
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	40	39	$563.27	$140.93
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	38	26	$459.29	$114.67
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	34	32	$498.65	$123.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	522	177	$297.89	$84.10
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	151	147	$547.69	$138.23
99231 Follow-up hospital inpatient care per day, typically 15 minutes	124	86	$174.78	$52.55
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	104	54	$411.76	$114.79
99221 Initial hospital inpatient care per day, typically 30 minutes	67	67	$407.00	$88.05
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	54	37	$306.39	$80.21
99213 Established patient office or other outpatient visit, typically 15 minutes	43	27	$274.00	$70.28
99306 Initial nursing facility visit, typically 45 minutes per day	40	40	$733.15	$194.75
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	38	31	$433.05	$126.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	37	26	$403.14	$104.15
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	33	33	$537.30	$142.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	770	219	$284.56	$76.37
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	173	168	$539.05	$144.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	70	46	$530.00	$143.45
99231 Follow-up hospital inpatient care per day, typically 15 minutes	64	48	$159.67	$41.25
99221 Initial hospital inpatient care per day, typically 30 minutes	56	55	$399.14	$107.16
99213 Established patient office or other outpatient visit, typically 15 minutes	54	26	$375.00	$101.74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	51	39	$409.12	$108.14
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	21	$412.13	$105.61
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	14	$792.43	$212.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	967	214	$292.20	$77.66
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	177	169	$555.86	$146.83
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	71	51	$476.13	$145.75
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	70	49	$421.66	$110.88
99231 Follow-up hospital inpatient care per day, typically 15 minutes	58	43	$160.00	$41.46
99213 Established patient office or other outpatient visit, typically 15 minutes	57	43	$330.79	$102.99
99221 Initial hospital inpatient care per day, typically 30 minutes	48	48	$409.06	$108.90
99443 Telephone medical discussion with physician, 21-30 minutes	17	12	$473.12	$146.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	937	227	$292.21	$78.99
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	164	156	$550.84	$150.52
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	88	55	$417.27	$113.96
99231 Follow-up hospital inpatient care per day, typically 15 minutes	69	57	$158.17	$42.99
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	43	32	$448.51	$121.88
99443 Telephone medical discussion with physician, 21-30 minutes	35	26	$448.31	$122.33
99221 Initial hospital inpatient care per day, typically 30 minutes	34	34	$407.35	$111.23
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	28	27	$811.64	$220.73
99213 Established patient office or other outpatient visit, typically 15 minutes	19	18	$310.79	$84.54
99442 Telephone medical discussion with physician, 11-20 minutes	12	11	$310.83	$84.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	838	213	$286.35	$78.10
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	183	179	$540.31	$146.56
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	83	63	$412.30	$111.62
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	79	49	$434.16	$118.66
99231 Follow-up hospital inpatient care per day, typically 15 minutes	65	39	$154.92	$42.22
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	28	28	$802.21	$217.22
99221 Initial hospital inpatient care per day, typically 30 minutes	24	24	$400.63	$108.84
99213 Established patient office or other outpatient visit, typically 15 minutes	20	17	$298.60	$82.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	746	237	$277.68	$78.32
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	185	178	$525.68	$147.26
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	58	43	$427.22	$118.86
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	53	44	$401.43	$112.27
99231 Follow-up hospital inpatient care per day, typically 15 minutes	43	30	$150.37	$42.17
99221 Initial hospital inpatient care per day, typically 30 minutes	39	39	$385.67	$109.14
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	33	33	$777.91	$218.56
99213 Established patient office or other outpatient visit, typically 15 minutes	17	14	$290.88	$80.81

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	694	219	$271.36	$76.15
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	128	125	$509.05	$143.36
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	75	49	$415.47	$116.64
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	65	48	$392.05	$110.07
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	48	48	$747.29	$213.66
99221 Initial hospital inpatient care per day, typically 30 minutes	45	44	$373.98	$106.56
99231 Follow-up hospital inpatient care per day, typically 15 minutes	38	28	$147.50	$41.28

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 152935

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.

Internal Medicine - Infectious Disease

NUCC Taxonomy Code: 207RI0200X

State License MA 152935

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

3199291 (MA)

Commercial Insurance / Payer ID Bcbs Ma

J21555 (MA)

Commercial Insurance / Payer ID Tufts Health Plan

152935 (MA)

Hospital & Practice Group Affiliations

Massachusetts General Physicians Organization Inc

55 Fruit St, Boston, MA 021142696

Phone: 6177240287

Massachusetts General Physicians Organization Inc

300 1st Ave, Charlestown, MA 021293109

Phone: 6179525000

New England Baptist Medical Associates, Inc.

125 Parker Hill Ave, Boston, MA 021202847

Phone: 6177545800

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Matthew Pitman , MBBS

Internal Medicine - Infectious Disease

NPI 1013718816

Bachelor of Medicine, Bachelor of Surgery (M.B.B.S.)

Dr. Jason Harris , MD

Pediatrics

NPI 1053392142

Doctor of Medicine (M.D.)

Dr. Matthew Phillips , MD, PhD

Internal Medicine - Infectious Disease

NPI 1093274979

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Dr. Jodian Pinkney , MD

Internal Medicine - Infectious Disease

NPI 1104346527

Doctor of Medicine (M.D.)

Dr. Brandon Ptak , MD

Internal Medicine - Infectious Disease

NPI 1144979501

Doctor of Medicine (M.D.)

Dr. Loukas Kakoullis , MD, PhD, MPH

Student in an Organized Health Care Education/Training Program

NPI 1174193759

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.), Master of Public Health

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 55 FRUIT ST, GRJ 504 INFECTIOUS DISEASE ASSOCIATES, BOSTON, MA 021142696 (Tel: 6177263812)

📍

Updated Business Mailing Address July 08, 2007

Registered at PO BOX 9142, MASS GENERAL PHYSICIAN ORGANIZATION, CHARLESTOWN, MA 021299142 (Tel: 6177240287)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as MICHAEL ARONOFF, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #152935 in MA)

🟢

Initial NPI Registration & Enumeration November 03, 2005

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: 1508857012

Entity Type:

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

Enumeration Date: November 03, 2005

Last Update: July 13, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 9142, Mass General Physician Organization

Charlestown, MA 021299142

Phone: 6177240287

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.