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

Dr. John William Ervin, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1629061213

Dr. John William Ervin, MD is an Obstetrics/Gynecology in Tulsa, Oklahoma. Graduated from Ponce School of Medicine in 1999, 27 years ago. Practices with Integris Ambulatory Care Corporation, a 683-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
27
Trained at
Ponce School of Medicine
Licensed in
OK
In the registry since
2005
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

4444 E 41st St
Tulsa, OK 74135-2527
Phone: (918) 619-4400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1125 May St, Hood River, OR 97031 — (541) 387-8940

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 33711 (OK)

Record details

NPI number1629061213
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2005
Last updated in NPPESAugust 29, 2018
Mailing addressPo Box 268838, Oklahoma City, OK 73126-8838

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolPONCE SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Integris Ambulatory Care Corporation — 683 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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