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

William Martin Schnitz, MD

Individual provider Rheumatology Physician · NPI 1629015763

William Martin Schnitz, MD is a Rheumatology in Oklahoma City, Oklahoma. Qualified in 1987, 39 years ago. Practices with Optimum Primary Care PLLC, a 15-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oklahoma.

Years since qualifying
39
Licensed in
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

3555 NW 58th St Ste 804
Oklahoma City, OK 73112-4703
Phone: (405) 548-0430
Fax: (405) 463-4408
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 16521 (OK)
Internal Medicine Physician Taxonomy 207R00000X · Licence 16521 (OK)

Record details

NPI number1629015763
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 31, 2006
Last updated in NPPESJuly 20, 2026
Certification dateJuly 20, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRHEUMATOLOGY
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Optimum Primary Care Pllc — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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