Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1528065877 Individual Practitioner Male Practitioner

Dr. Charles Hatem , MD

Internal Medicine • Cambridge, MA

Professional Overview & Biography Verified Profile Summary

Dr. Charles Hatem, MD is a registered healthcare professional specializing in Internal Medicine in Cambridge, MA. Practice services are available at 300 MOUNT AUBURN ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

300 Mount Auburn St
Ste 410

Cambridge, MA 021385600

Telephone 6178682650
Fax 6178682641
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Cambridge, MA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 22.6 Yrs
State Avg: 29.3 Yrs
Regional Practice Density
309 Specialists

Practicing in Cambridge, MA (7127 Statewide)

Telehealth Adoption Rate
23.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 30210

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
0137979 (MA)

Practice Associates & Co-Workers

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

7 Associated Practitioners
NPI 1043448210

Doctor of Medicine (M.D.)

Nancy Hays , NP

Nurse Practitioner - Adult Health

NPI 1396793410

Nurse Practitioner

Dr. Beth Goldman , MD

Internal Medicine

NPI 1457358798

Doctor of Medicine (M.D.)

Dr. Eva Gassiraro , MD

Internal Medicine

NPI 1598762833

Doctor of Medicine (M.D.)

Cynthia Waite , ANP-C

Nurse Practitioner - Adult Health

NPI 1609206739

Adult Nurse Practitioner (Certified)

Dr. Lisa Fitzgerald , MD

Internal Medicine - Rheumatology

NPI 1881691160

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 July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 300 MOUNT AUBURN ST, STE 410, CAMBRIDGE, MA 021385600 (Tel: 6178682650)

📍
Updated Business Mailing Address July 08, 2007

Registered at 1 ARSENAL MARKET PL, WATERTOWN, MA 024725018 (Tel: 6176731851)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as CHARLES HATEM, MD

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

Internal Medicine (License #30210 in MA)

🟢
Initial NPI Registration & Enumeration July 01, 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: 1528065877
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 01, 2005
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

1 Arsenal Market Pl

Watertown, MA 024725018

Phone: 6176731851

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.