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

Matthias James, DO

Individual provider Family Medicine Physician · NPI 1346609070

Matthias James, DO is a Hospitalist in Tulsa, Oklahoma. Graduated from At Still Un of Hlth Sciences, Col of Osteo Med, Mesa in 2015, 11 years ago. Practices with Warren Clinic Inc, a 772-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
11
Trained at
At Still Un of Hlth Sciences, Col of Osteo Med, Mesa
Licensed in
WA
In the registry since
2016
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

6161 S Yale Ave
Tulsa, OK 74136-1902
Phone: (918) 494-2200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 5451 Walnut Ave, Chino, CA 91710 — (909) 464-8600
  • 939 Caroline St, Port Angeles, WA 98362-3909 — (360) 417-7000

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence OP60832959 (WA)
Family Medicine Physician Taxonomy 207Q00000X · Licence OP60832959 (WA)

Record details

NPI number1346609070
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedFebruary 23, 2016
Last updated in NPPESFebruary 27, 2025
Certification dateFebruary 27, 2025
Mailing address3511 Chuckanut Ave, Bellingham, WA 98229-9335

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolAT STILL UN OF HLTH SCIENCES, COL OF OSTEO MED, MESA
Graduated 2015 (11 years in practice)
Group practice Warren Clinic Inc — 772 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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