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Deactivated NPI 1073732129 Deactivated / Inactive NPI Male Practitioner

Dr. Michael W Johnson , MD

Internal Medicine • Cambridge, MA

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Michael Johnson has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date April 25, 2007
NPI Deactivation Date November 08, 2021
Total Practice Duration ~14 Years of Practice (2007 – 2021)

Professional Overview & Biography Verified Profile Summary

Dr. Michael Johnson, MD was a registered Internal Medicine practicing in Cambridge, MA. Throughout an active medical career spanning 14 years, Dr. Johnson provided care at the practice location at HARVARD UNIVERSITY until profile deactivation on 2021-11-08.

Practice Location & Contact Primary Location

Practice Address

Harvard University
Cumnock Hall

Cambridge, MA 02163

Telephone 6174956455

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 43957

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

3 Associated Practitioners
Richard Weintraub , NP

Nurse Practitioner

NPI 1376562652

Nurse Practitioner

Dr. Bruce Biller , MD

Internal Medicine

NPI 1457379265

Doctor of Medicine (M.D.)

Dr. Lisa Barna , MD

Internal Medicine

NPI 1730379835

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events
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NPI Profile Deactivated November 08, 2021

Record deactivated on November 08, 2021

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

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Updated Practice Location July 08, 2007

Registered at HARVARD UNIVERSITY, CUMNOCK HALL, CAMBRIDGE, MA 02163 (Tel: 6174956455)

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Updated Business Mailing Address July 08, 2007

Registered at HARVARD UNIVERSITY, CUMNOCK HALL, BOSTON, MA 02163 (Tel: 6174956455)

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Provider Name / Credentials Updated July 08, 2007

Recorded as MICHAEL JOHNSON, M.D.

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

Internal Medicine (License #43957 in MA)

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Initial NPI Registration & Enumeration April 25, 2007

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: 1073732129
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 25, 2007
Last Update: July 08, 2007
Deactivation Date: November 08, 2021

Mailing Address

Harvard University, Cumnock Hall

Boston, MA 02163

Phone: 6174956455

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.