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

William Hirschfeld, MD

Individual provider Internal Medicine Physician · NPI 1134749096

William Hirschfeld, MD is an Internal Medicine Physician in Bethesda, Maryland. Licensed in Virginia. Registered with an NPI since 2020.

Licensed in
VA
In the registry since
2020
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 Partly verified

Some contact details are missing from the federal record.

Walter Reed National Military Medical Ctr
Bethesda, MD 20889-0001
Phone: (301) 319-8754
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 0101274504 (VA)

Record details

NPI number1134749096
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 21, 2020
Last updated in NPPESAugust 22, 2023
Certification dateAugust 22, 2023

Other providers in Bethesda