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

Richard C Greyson, MD

Individual provider Internal Medicine Physician · NPI 1356355770

Richard C Greyson, MD is an Internal Medicine Physician in Oklahoma City, Oklahoma. Practices as a sole proprietor. Licensed in Oklahoma.

Licensed in
OK
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

1110 N Classen Blvd Ste 301
Oklahoma City, OK 73106
Phone: (405) 232-2702
Fax: (405) 272-0839
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 10537 (OK)

Record details

NPI number1356355770
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 28, 2006
Last updated in NPPESJuly 1, 2010
Mailing address1110 N Classen Blvd, Suite 301, Oklahoma City, OK 73106

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