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

John F Tisdale, MD

Individual provider Internal Medicine Physician · NPI 1225029077

John F Tisdale, MD is an Internal Medicine Physician in Bethesda, Maryland. Licensed in Maryland. Registered with an NPI since 2005.

Licensed in
MD
In the registry since
2005
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

8600 Old Georgetown Rd
Bethesda, MD 20814-1422
Phone: (301) 896-3517
Fax: (301) 493-4259
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 D0061470 (MD)

Record details

NPI number1225029077
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2005
Last updated in NPPESJuly 13, 2026

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