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

Mark A Diehl, MD

Individual provider Family Medicine Physician · NPI 1467410357

Mark A Diehl, MD is a Family Medicine Physician in Oklahoma City, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2006.

Licensed in
OK
In the registry since
2006
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

4221 S Western Ave Ste 3030
Oklahoma City, OK 73109-3447
Phone: (405) 636-7650
Fax: (405) 636-7743
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 12883 (OK)

Record details

NPI number1467410357
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 2, 2006
Last updated in NPPESJuly 19, 2017

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