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

Dr. Dianna E Ryan, MD

Individual provider General Practice Physician · NPI 1871697276

Dr. Dianna E Ryan, MD is a General Practice Physician in Ft Sill, Oklahoma. Licensed in Nebraska and Oklahoma. Registered with an NPI since 2006.

Licensed in
NE, OK
In the registry since
2006
Specialties on file
2
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

4301 Mow Way Rd Rach: Physical Exam Section
Ft Sill, OK 73503-5000
Phone: (580) 458-2228
Show map & directions

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

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence 20415 (OK)
General Practice Physician Taxonomy 208D00000X · Licence 17986 (NE)

Record details

NPI number1871697276
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 7, 2006
Last updated in NPPESJuly 8, 2007
Mailing address4301 Mow Way Rd, Rach: Physical Exam Section, Ft Sill, OK 73503-5000