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

Theo Heller, MD

Individual provider Internal Medicine Physician · NPI 1457342305

Theo Heller, 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
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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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

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence D0043904 (MD)
Internal Medicine Physician Taxonomy 207R00000X · Licence D0043914 (MD)

Record details

NPI number1457342305
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 31, 2005
Last updated in NPPESAugust 6, 2009

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