Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Benjamin Feldmann, MD

Individual provider Internal Medicine Physician · NPI 1508821984

Dr. William Benjamin Feldmann, MD is an Internal Medicine in Salem, New Hampshire. Graduated from State University of New York Downstate Medical Center in 1991, 35 years ago. Accepts Medicare assignment. Licensed in New Hampshire.

Years since qualifying
35
Trained at
State University of New York Downstate Medical Center
Licensed in
NH
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

22 Main St
Salem, NH 03079-5900
Phone: (603) 893-7905
Fax: (603) 898-6106
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 9800 (NH)
Pediatrics Physician Taxonomy 208000000X · Licence 9800 (NH)

Record details

NPI number1508821984
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 19, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address12 Gerry Ln, Londonderry, NH 03053-2296

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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