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

Mark Weissman, MD

Individual provider Internal Medicine Physician · NPI 1336365568

Mark Weissman, MD is an Internal Medicine Physician in Bethany, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2007.

Licensed in
OK
In the registry since
2007
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

7815 NW 23rd St
Bethany, OK 73008
Phone: (405) 792-2147
Fax: (405) 603-1465
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 15521 (OK)

Record details

NPI number1336365568
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 17, 2007
Last updated in NPPESMay 16, 2023
Certification dateMay 16, 2023
Mailing address7815 Nw 23rd St, Bethany, OK 73008-4947

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