Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Dr. Ryan James Grantham, MD

Individual provider Psychiatry Physician · NPI 1376114744

Dr. Ryan James Grantham, MD is a Psychiatry Physician in Oklahoma City, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2021.

Licensed in
OK
In the registry since
2021
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

921 NE 13th St
Oklahoma City, OK 73104-5007
Phone: (405) 456-1000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 1376114744 (OK)

Record details

NPI number1376114744
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2021
Last updated in NPPESAugust 31, 2026
Certification dateAugust 31, 2026

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