William L. Fesler, MD
Family Medicine Physician · Bartlesville, OK
William L. Fesler, MD is a family medicine physician with a practice address in Bartlesville, Oklahoma, and NPI 1730171679, issued on Aug 17, 2005. Check the license (Oklahoma 9428, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- William L. Fesler
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 9428 OK
Self-reported in NPPES; status is on the state search - Practice location
- 3400 E Frank Phillips Blvd Ste 300, Bartlesville, OK 74006
- Phone
- (918) 331-2424
- Enumerated
- Aug 17, 2005
- Record last updated
- Mar 13, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (918) 331-2573
- Medicare enrollment
- Enrolled (PECOS I20041214000996); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 1970
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,303 in Oklahoma → Look up another NPI →
Also registered at 3400 E Frank Phillips Blvd Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Davis, MDFamily Medicine Physician1033435912
Verify William L. Fesler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 9428Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% more Medicare Part D claims than the average family medicine physician in 2024
6,972 Medicare Part D claims for 309 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 825 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen346 claims
- Rosuvastatin Calcium206 claims
- Levothyroxine Sodium204 claims
- Atorvastatin Calcium198 claims
- Metoprolol Succinate170 claims
- Omeprazole169 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $137.17
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- St. John Physicians, Inc.Tulsa, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William L. Fesler among 2,303 family medicine physician records in Oklahoma
William L. Fesler, MD is one of 2,303 family medicine physician records with a practice address in Oklahoma. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1970 · median 2008 among the 1,407 with a school on file
- Record last updated2018 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 family medicine physician records list a practice address in Bartlesville
They are 22 of the 1,023 NPPES records with a practice address in Bartlesville, and 2,303 family medicine physician records in Oklahoma.
All 2,303 in Oklahoma → Every provider in Bartlesville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Michael Bumpus, MDBartlesville, OK 740061932108792
- William Carter, M.D.Bartlesville, OK 740061831193341
- Kyle Craig, MDBartlesville, OK 740061528138633
- Scarlett Custer, D. O.Bartlesville, OK 740061336218320
- Mark Erhardt, D.O.Bartlesville, OK 740061770546640
- Ashley Estep, DOBartlesville, OK 740061881875946
- Frances Horn, DOBartlesville, OK 740061154313120
- Gerald Pribil, MDBartlesville, OK 740061376535294
Common questions
What is William L. Fesler, MD's NPI number?
William L. Fesler, MD's National Provider Identifier (NPI) is 1730171679, issued on Aug 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William L. Fesler, MD located?
The NPPES record lists a practice address at 3400 E Frank Phillips Blvd Ste 300, Bartlesville, OK, 74006. Phone: (918) 331-2424. Providers update this record themselves, so call before visiting.
How can I verify William L. Fesler, MD's license?
NPPES lists Oklahoma license number 9428, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William L. Fesler, MD prescribe under Medicare Part D?
In 2024, William L. Fesler, MD had 6,972 Medicare Part D claims for 309 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.