Dr. Alan Richard Gerstein , MD
Internal Medicine • Springfield, MA
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. Alan Gerstein has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Alan Gerstein, MD was a registered Internal Medicine practicing in Springfield, MA. Throughout an active medical career spanning 19 years, Dr. Gerstein provided care at the practice location at 300 STAFFORD ST until profile deactivation on 2025-07-31.
Practice Location & Contact Primary Location
300 Stafford St
Ste 101
Springfield, MA 011043581
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Springfield, MA
Practicing in Springfield, MA (7127 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 207R00000X
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
Nurse Practitioner - Family
Family Nurse Practitioner (Board Certified)
Family Medicine - Adult Medicine
Doctor of Medicine (M.D.)
Social Worker
Family Medicine - Adult Medicine
Doctor of Medicine (M.D.)
Physician Assistant - Medical
Physician Assistant (Certified)
Dietitian, Registered - Nutrition, Renal
Registered Dietitian
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on July 31, 2025
NPI status registered as active in NPPES database
Registered at 300 STAFFORD ST, STE 101, SPRINGFIELD, MA 011043581 (Tel: 4137346400)
Registered at 300 STAFFORD ST, STE 101, SPRINGFIELD, MA 011043581 (Tel: 4137346400)
Recorded as ALAN GERSTEIN, M.D.
Internal Medicine (License #27143 in MA)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
300 Stafford St, Ste 101
Springfield, MA 011043581
Phone: 4137346400
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