Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1699765875 Individual Practitioner Male Practitioner

Dr. Robert Charles Leinbach , MD

Internal Medicine • Boston, MA

Professional Overview & Biography Verified Profile Summary

Dr. Robert Leinbach, MD is a registered healthcare professional specializing in Internal Medicine in Boston, MA. Practice services are available at 55 FRUIT ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

55 Fruit St
Cardiac Catheterization Lab Mgh Blk 9

Boston, MA 021142696

Telephone 6177267400
Fax 6177267437
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 29868

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 - Cardiovascular Disease

NUCC Taxonomy Code: 207RC0000X

State License MA 29868

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
2087456 (MA)
Commercial Insurance / Payer ID Tufts Health Plan
706110 (MA)
Commercial Insurance / Payer ID Bcbs Ma
M07355 (MA)

Practice Associates & Co-Workers

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

13 Associated Practitioners
Kelly Trecartin , NP

Nurse Practitioner - Acute Care

NPI 1003130469

Nurse Practitioner

Mark Branton , PA-C

Physician Assistant

NPI 1003455940

Physician Assistant (Certified)

Sharon Taylor , NP

Nurse Practitioner - Acute Care

NPI 1013069483

Nurse Practitioner

Dr. George Lau , MBBS

Internal Medicine - Cardiovascular Disease

NPI 1073649711

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

Dr. Anjum Butte , MD

Internal Medicine - Cardiovascular Disease

NPI 1104807379

Doctor of Medicine (M.D.)

Dr. Ibrahim Domian , MD PHD

Internal Medicine - Cardiovascular Disease

NPI 1194798389

MDPHD

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, CARDIAC CATHETERIZATION LAB MGH BLK 9, BOSTON, MA 021142696 (Tel: 6177267400)

📍
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 ROBERT LEINBACH, MD

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

Internal Medicine (License #29868 in MA)

🟢
Initial NPI Registration & Enumeration October 27, 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: 1699765875
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 27, 2005
Last Update: July 13, 2026
Sole Proprietor: No

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.