NPPES file of Aug 9, 2026

William H. Chesser, DO

Family Medicine Physician · Konawa, OK

William H. Chesser, DO is a family medicine physician with a practice address in Konawa, Oklahoma, and NPI 1508959685, issued on Oct 2, 2006. Check the license (Oklahoma 3093, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508959685
Name
William H. Chesser
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
3093 OK
Self-reported in NPPES; status is on the state search
Practice location
527 W 3RD St, Konawa, OK 74849
Phone
(580) 925-3286
Enumerated
Oct 2, 2006
Record last updated
Apr 2, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(580) 925-9149
Medicaid ID
100136880A OK
Medicare enrollment
Enrolled (PECOS I20080409000073); accepts Medicare assignment
Medical or professional school
Oklahoma State University College Of Osteopathic Medicine, 1992
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 527 W 3RD St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Melinda Ahrend, D.D.SDentist1154515690
  2. Frank AtchleyMental Health Counselor1720306392
  3. Lynn Baggett, M.D.Addiction Medicine (Family Medicine) Physician1801032297
  4. Gayla Branscum, LMHPMental Health Counselor1255538237
  5. Patty Carson, BHRS IMental Health Counselor1497059653
  6. Lindsey Clark, BHRSSocial Worker1255767372

Verify William H. Chesser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 3093
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oklahoma license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.9 times the Medicare Part D claims of the average family medicine physician in 2024

10,119 Medicare Part D claims for 444 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. 796 claims were for opioids.

  1. William Chesser10,119
  2. Specialty average3,544

Most prescribed

  1. Hydrocodone-Acetaminophen390 claims
  2. Atorvastatin Calcium368 claims
  3. Gabapentin338 claims
  4. Levothyroxine Sodium305 claims
  5. Amlodipine Besylate276 claims
  6. Oxycodone-Acetaminophen275 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: $17.65

1 payment: food and beverage; the largest payer was Abbvie Inc. 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.

  1. William Chesser$17.65
  2. Specialty average$902.55

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

  1. Central Oklahoma Family Medical Center IncAda, OK

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

1 family medicine physician records list a practice address in Konawa

They are 1 of the 68 NPPES records with a practice address in Konawa, and 2,303 family medicine physician records in Oklahoma.

Other family medicine physician records in Oklahoma

  1. Michael Aaron, M.D.Weatherford, OK1700958659
  2. Shams Abbas, MDOklahoma City, OK1639607963
  3. Nicole Abel, DOTulsa, OK1073142022
  4. Robert Abell, MDOklahoma City, OK1336179126
  5. Penny AberOklahoma City, OK1982530432
  6. Bob Abernathy, DOCordell, OK1114920071
  7. Rochelle Ablah, MDOklahoma City, OK1366656647
  8. Alireza Abolmaali Damghani, MDMidwest City, OK1427275775
  9. Akram Abraham, M.D.Hollis, OK1609857754
  10. John Abraham, MDTulsa, OK1962634535

Common questions

What is William H. Chesser, DO's NPI number?

William H. Chesser, DO's National Provider Identifier (NPI) is 1508959685, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William H. Chesser, DO located?

The NPPES record lists a practice address at 527 W 3RD St, Konawa, OK, 74849. Phone: (580) 925-3286. Providers update this record themselves, so call before visiting.

How can I verify William H. Chesser, DO's license?

NPPES lists Oklahoma license number 3093, 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 H. Chesser, DO prescribe under Medicare Part D?

In 2024, William H. Chesser, DO had 10,119 Medicare Part D claims for 444 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.