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

Joan T Merrill, MD

Individual provider Rheumatology Physician · NPI 1962471813

Joan T Merrill, MD is a Rheumatology 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

825 NE 13th St Omrf E110
Oklahoma City, OK 73104-5005
Phone: (405) 271-7805
Show map & directions

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

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 22229 (OK)

Record details

NPI number1962471813
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 14, 2006
Last updated in NPPESJuly 8, 2007

Other providers in Oklahoma City