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

Individual provider Family Medicine Physician · NPI 1730171679

William L Fesler, MD is a Family Practice in Bartlesville, Oklahoma. Graduated from University of Oklahoma College of Medicine in 1970, 56 years ago. Practices with St John Physicians, Inc, a 264-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
56
Trained at
University of Oklahoma College 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

3400 E Frank Phillips Blvd Ste 300
Bartlesville, OK 74006-2439
Phone: (918) 331-2424
Fax: (918) 331-2573
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 9428 (OK)

Record details

NPI number1730171679
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 17, 2005
Last updated in NPPESMarch 13, 2018

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Graduated 1970 (56 years in practice)
Group practice St. John Physicians, Inc. — 264 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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