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

Individual provider Gastroenterology Physician · NPI 1831137538

Dr. Mark S. Tanker, DO is a Gastroenterology Physician in Philadelphia, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

700 Cottman Ave Ste 201
Philadelphia, PA 19111-3062
Phone: (215) 742-9900
Fax: (215) 742-7051
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence OS004028L (PA)

Record details

NPI number1831137538
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 3, 2006
Last updated in NPPESJuly 8, 2007

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