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

Mark Esar Sobel, MD, PHD

Individual provider General Practice Physician · NPI 1134596703

Mark Esar Sobel, MD, PHD is a General Practice Physician in Bethesda, Maryland. Practices as a sole proprietor. Licensed in Maryland and New York.

Licensed in
MD, NY
In the registry since
2015
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

9401 Bulls Run Pkwy
Bethesda, MD 20817-2405
Phone: (301) 530-9309
Show map & directions

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

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence D0020038 (MD)
General Practice Physician Taxonomy 208D00000X · Licence 1849771 (NY)

Record details

NPI number1134596703
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedAugust 30, 2015
Last updated in NPPESAugust 30, 2015

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