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Deactivated NPI 1376543611 Deactivated / Inactive NPI Male Practitioner

Dr. Jerome Tanzer , MD

Internal Medicine • Lowell, 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. Jerome Tanzer has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date July 28, 2005
NPI Deactivation Date July 24, 2025
Total Practice Duration ~20 Years of Practice (2005 – 2025)

Professional Overview & Biography Verified Profile Summary

Dr. Jerome Tanzer, MD was a registered Internal Medicine practicing in Lowell, MA. Throughout an active medical career spanning 20 years, Dr. Tanzer provided care at the practice location at 130 MARSHALL ROAD until profile deactivation on 2025-07-24.

Practice Location & Contact Primary Location

Practice Address

130 Marshall Road

Lowell, MA 01852

Telephone 9786719000
Fax 9786719149

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Lowell, MA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 23.8 Yrs
State Avg: 29.3 Yrs
Regional Practice Density
63 Specialists

Practicing in Lowell, MA (7127 Statewide)

Telehealth Adoption Rate
31.7% 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 29366

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

13 Associated Practitioners
Dr. Elmer Purcell , MD

Internal Medicine

NPI 1043225980

Doctor of Medicine (M.D.)

Teresa Keith , LISW

Social Worker - Clinical

NPI 1154432136

Licensed Independent Social Worker

Dr. F Wolf , MD, MPH

Internal Medicine

NPI 1205884160

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

Dr. Lisa Rogers , PharmD

Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

NPI 1235180753

Doctor of Pharmacy (Pharm.D.)

Dr. Herbert Kleinman , MD

Internal Medicine

NPI 1396791125

Doctor of Medicine (M.D.)

Mary Witkos , NP

Nurse Practitioner - Primary Care

NPI 1417904186

Nurse Practitioner

Career & Practice History Timeline

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

8 Historical Events
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NPI Profile Deactivated July 24, 2025

Record deactivated on July 24, 2025

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Medical Taxonomy / Specialty Registered (Primary Specialty) June 08, 2025

Internal Medicine (License #29366 in MA)

NPI Profile Active August 05, 2012

NPI status registered as active in NPPES database

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Updated Practice Location August 05, 2012

Registered at 130 MARSHALL ROAD, LOWELL, MA 01852 (Tel: 9786719000)

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Updated Business Mailing Address August 05, 2012

Registered at 130 MARSHALL ROAD, LOWELL, MA 01852 (Tel: 9786719000)

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Provider Name / Credentials Updated August 05, 2012

Recorded as JEROME TANZER, MD

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Medical Taxonomy / Specialty Registered (Primary Specialty) August 05, 2012

Internal Medicine (License #29366 in MA)

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Initial NPI Registration & Enumeration July 28, 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: 1376543611
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 28, 2005
Last Update: August 05, 2012
Deactivation Date: July 24, 2025

Mailing Address

130 Marshall Road

Lowell, MA 01852

Phone: 9786719000

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.