Active NPI 1225441272 Individual Practitioner Male Practitioner

Dr. Brett Simchowitz , MD, MPH

Internal Medicine • Boston, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Brett Simchowitz, MD, MPH is a certified Internal Medicine practicing in Boston, MA. With approximately 12 years of clinical experience since graduating from University Of California, San Francisco School Of Medicine in 2014, Dr. Simchowitz delivers high-quality medical care to the local community at 55 FRUIT ST.

Dr. Simchowitz is affiliated with Massachusetts General Physicians Organization Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with moderate level of medical decision making, if using time, at least, hospital discharge day management, more than. 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

Boston, MA 021142696

Telephone 6177243874

Fax 6176434085

Associated Practice Facility / Clinic

🏢 Massachusetts General Hospital Facility NPI 1184613721

Medicare Profile & Education

Medical School

University Of California, San Francisco School Of Medicine

Graduation Year

2014

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Boston, MA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

12 Yrs -5.4 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

In-Person Office Visits Only

Medicare Pricing Discount

76.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Simchowitz (12 Years) 12 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
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	128	50	$498.59	$123.41
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	33	32	$805.00	$180.36
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	26	14	$330.96	$81.76
99239 Hospital discharge day management, more than 30 minutes	24	24	$485.00	$120.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	131	62	$434.55	$126.45
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	65	31	$299.85	$84.08
99239 Hospital discharge day management, more than 30 minutes	32	32	$439.81	$122.66
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	14	$805.00	$184.30

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	255	81	$368.18	$109.75
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	116	52	$249.66	$76.43
99239 Hospital discharge day management, more than 30 minutes	36	36	$380.53	$113.88
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	12	$713.25	$212.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	183	56	$335.39	$112.91
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	157	58	$233.03	$78.54
99239 Hospital discharge day management, more than 30 minutes	33	33	$349.55	$117.39
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	23	23	$650.00	$218.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	232	73	$343.00	$114.97
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	147	62	$238.00	$79.84
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	45	45	$666.00	$223.09
99239 Hospital discharge day management, more than 30 minutes	42	42	$355.00	$119.15
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$454.00	$152.33

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	259	94	$238.00	$78.10
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	187	74	$340.00	$111.61
99239 Hospital discharge day management, more than 30 minutes	62	62	$353.00	$115.95
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	29	29	$662.00	$216.99
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$448.00	$146.56

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	265	110	$226.00	$77.55
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	233	91	$326.00	$112.28
99239 Hospital discharge day management, more than 30 minutes	69	69	$339.00	$117.06
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	41	41	$636.00	$214.85
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	24	24	$431.00	$146.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	76	35	$326.00	$108.16
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	62	33	$226.00	$74.05
99239 Hospital discharge day management, more than 30 minutes	30	30	$339.00	$114.51
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	27	27	$636.00	$206.15

Medical Specialties & State Licenses

CMS Verified: 2026-01-09

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 259558

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

Massachusetts General Physicians Organization Inc

55 Fruit St, Boston, MA 021142696

Phone: 6177240287

Secondary Practice Locations

75 Francis St

Boston, MA 021156106

Phone: 6177325500

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Stephanie Lin-Beckford , MD

Internal Medicine

NPI 1003345034

Doctor of Medicine (M.D.)

Dr. Apryle Gould , DO

Internal Medicine

NPI 1023404985

Doctor of Osteopathic Medicine (D.O.)

Dr. Urvya Iyer , MD, MPH

Internal Medicine

NPI 1043940554

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

Dr. Asma Salem , DO

Internal Medicine

NPI 1053995100

Doctor of Osteopathic Medicine (D.O.)

Dr. Cecelia Bender , DO

Internal Medicine

NPI 1063095008

Doctor of Osteopathic Medicine (D.O.)

Dr. Phillip Hartfield , MD

Internal Medicine

NPI 1063152049

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location March 29, 2022

Registered at 55 FRUIT ST, BOSTON, MA 021142696 (Tel: 6177266585)

📍

Updated Business Mailing Address March 29, 2022

Registered at 56 LINDEN ST # 2, BROOKLINE, MA 024457809 (Tel: 7139065780)

✅

NPI Profile Active June 07, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location June 07, 2014

Registered at 75 FRANCIS ST, BOSTON, MA 021156110 (Tel: 6177325500)

📍

Updated Business Mailing Address June 07, 2014

Registered at 75 FRANCIS ST, BOSTON, MA 021156110 (Tel: 6177325500)

👤

Provider Name / Credentials Updated June 07, 2014

Recorded as BRETT SIMCHOWITZ, MD, MPH

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 07, 2014

Internal Medicine (License #259558 in MA)

🟢

Initial NPI Registration & Enumeration June 07, 2014

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Brett Simchowitz. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1225441272

Entity Type:

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

Enumeration Date: June 07, 2014

Last Update: January 09, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

56 Linden St # 2

Brookline, MA 024457809

Phone: 7139065780

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.