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Deactivated NPI 1598734493 Deactivated / Inactive NPI Male Practitioner

Dr. Bruce M. Cowan , MD

Internal Medicine • Easthampton, 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. Bruce Cowan has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date March 15, 2006
NPI Deactivation Date January 22, 2026
Total Practice Duration ~20 Years of Practice (2006 – 2026)

Professional Overview & Biography Verified Profile Summary

Dr. Bruce Cowan, MD was a registered Internal Medicine practicing in Easthampton, MA. Throughout an active medical career spanning 20 years, Dr. Cowan provided care at the practice location at 179 NORTHAMPTON ST until profile deactivation on 2026-01-22.

Practice Location & Contact Primary Location

Practice Address

179 Northampton St
#g

Easthampton, MA 010271057

Telephone 4135278355
Fax 4135279139

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Easthampton, MA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 40.0 Yrs
State Avg: 29.3 Yrs
Regional Practice Density
5 Specialists

Practicing in Easthampton, MA (7127 Statewide)

Telehealth Adoption Rate
40.0% 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 37412

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

35 Associated Practitioners
Anna Siembor , MSW, LICSW

Social Worker - Clinical

NPI 1023587938

Master of Social Work, Licensed Independent Clinical Social Worker

Dr. David Slack , MD

Internal Medicine

NPI 1205895554

Doctor of Medicine (M.D.)

NPI 1225470834

Bachelor of Social Work

Rua (Roisin) Mcgarry

Case Manager/Care Coordinator

NPI 1265170393
Joann Berns , PT

Physical Therapist - Orthopedic

NPI 1285791285

Physical Therapist

NPI 1306574322

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 January 22, 2026

Record deactivated on January 22, 2026

NPI Profile Active June 12, 2008

NPI status registered as active in NPPES database

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Updated Practice Location June 12, 2008

Registered at 179 NORTHAMPTON ST, #G, EASTHAMPTON, MA 010271057 (Tel: 4135278355)

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Updated Business Mailing Address June 12, 2008

Registered at 179 NORTHAMPTON ST, #G, EASTHAMPTON, MA 010271057 (Tel: 4135278355)

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Provider Name / Credentials Updated June 12, 2008

Recorded as BRUCE COWAN, MD

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Medical Taxonomy / Specialty Registered (Primary Specialty) June 12, 2008

Internal Medicine (License #37412 in MA)

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Initial NPI Registration & Enumeration March 15, 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: 1598734493
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 15, 2006
Last Update: June 12, 2008
Deactivation Date: January 22, 2026

Mailing Address

179 Northampton St, #g

Easthampton, MA 010271057

Phone: 4135278355

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.