Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1831136571 Individual Practitioner Male Practitioner

Dr. Ethan Balk , MD

Internal Medicine • Boston, MA

Professional Overview & Biography Verified Profile Summary

Dr. Ethan Balk, MD is a registered healthcare professional specializing in Internal Medicine in Boston, MA. Practice services are available at 750 WASHINGTON ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

750 Washington St
Box 63

Boston, MA 021111526

Telephone 6176363282
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Boston, MA

Active Practitioner
Practitioner Clinical Experience
Active
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
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 77179

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.

Practice Associates & Co-Workers

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

40 Associated Practitioners
Keiko Ueda , MPH, RD, LDN

Dietitian, Registered

NPI 1003010521

Master of Public Health, Registered Dietitian, Licensed Dietitian Nutritionist

Colleen Mcartor , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003948282

Certified Registered Nurse Anesthetist

Dr. Kathleen Bungay , PharmD, MS

Pharmacist - Psychiatric

NPI 1013136191

Doctor of Pharmacy (Pharm.D.), Master of Science

Alexis Madej , MS, RD, LDN

Dietitian, Registered

NPI 1013152438

Master of Science, Registered Dietitian, Licensed Dietitian Nutritionist

Dr. Nadine Youssef , MD

Emergency Medicine

NPI 1013177427

Doctor of Medicine (M.D.)

Dr. Gordon Saperia , MD

Internal Medicine - Interventional Cardiology

NPI 1013915354

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 750 WASHINGTON ST, BOX 63, BOSTON, MA 021111526 (Tel: 6176363282)

📍
Updated Business Mailing Address July 08, 2007

Registered at 750 WASHINGTON STREET BOX 63, NEW ENGLAND MEDICAL CENTER, BOSTON, MA 02111 (Tel: 6176363282)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as ETHAN BALK, M.D.

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

Internal Medicine (License #77179 in MA)

🟢
Initial NPI Registration & Enumeration June 01, 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: 1831136571
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 01, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

750 Washington Street Box 63, New England Medical Center

Boston, MA 02111

Phone: 6176363282

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.