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

Dr. Mark Withers, MD

Individual provider Internal Medicine Physician · NPI 1336234228

Dr. Mark Withers, MD is an Internal Medicine Physician in Frederick, Maryland. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
In the registry since
2006
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

1867A Bullene Dr
Frederick, MD 21702-8232
Phone: (301) 620-1711
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 33347-020 (WI)

Record details

NPI number1336234228
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 4, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1867a Bullene Drive, Frederick, MD 21702-8232

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