NPPES file of Aug 9, 2026

William Gentry Palmer, DO

Emergency Medicine Physician · Norman, OK

William Gentry Palmer, DO is an emergency medicine physician with a practice address in Norman, Oklahoma, and NPI 1831853118, issued on Oct 24, 2021. Check the license (Oklahoma 8661, 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
1831853118
Name
William Gentry Palmer
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
8661 OK
Self-reported in NPPES; status is on the state search
Practice location
3300 Healthplex Pkwy, Norman, OK 73072
Phone
(405) 515-1000
Enumerated
Oct 24, 2021
Record last updated
Aug 2, 2024
Medicare enrollment
Enrolled (PECOS I20240816000407); accepts Medicare assignment
Medical or professional school
Oklahoma State University College Of Osteopathic Medicine, 2023
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 3300 Healthplex Pkwy

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

  1. Kimberly Abernathy, APRN-CNPNurse Practitioner1356758817
  2. Ashley Agee, PA-CPhysician Assistant1619390523
  3. Alexandra Bass, APRN-CNPAcute Care Nurse Practitioner1215778501
  4. Makenzie Bender, DO, MPH, CPHEmergency Medicine Physician1457248312
  5. Erin Blass, CRNACertified Registered Nurse Anesthetist1487548491
  6. Sydney Boothe, APRN-BC, DNPNeonatal Nurse Practitioner1396380317

Verify William Gentry Palmer 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 8661
    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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60% fewer Medicare Part D claims than the average emergency medicine physician in 2024

90 Medicare Part D claims for 75 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. William Palmer90
  2. Specialty average226

Most prescribed

  1. Cephalexin17 claims
  2. Ondansetron Odt11 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: $153.94

2 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Palmer$153.94
  2. Specialty average$953.79

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. Emergency Physicians OF Mid-America PCPurcell, OK

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

William Gentry Palmer among 748 emergency medicine physician records in Oklahoma

William Gentry Palmer, DO is one of 748 emergency medicine physician records with a practice address in Oklahoma. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 83% of them.

  • NPI issued2021 · 83% of these records are older, 9% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2023 · median 2016 among the 438 with a school on file
  • Record last updated2024 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

63 emergency medicine physician records list a practice address in Norman

They are 63 of the 4,245 NPPES records with a practice address in Norman, and 748 emergency medicine physician records in Oklahoma.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Makenzie Bender, DO, MPH, CPHNorman, OK 730721457248312
  2. Deangela ColemanNorman, OK 730721437872397
  3. Charlotte DawsonNorman, OK 730721992422323
  4. Philip Dzambo, DONorman, OK 730721285204933
  5. Breanna Jacobitz, DONorman, OK 730721083339956
  6. Stephen Jones, DONorman, OK 730721861236200
  7. Sarah Jordan, DONorman, OK 730721831765593
  8. Robert McCloy, MDNorman, OK 730721578762282

Common questions

What is William Gentry Palmer, DO's NPI number?

William Gentry Palmer, DO's National Provider Identifier (NPI) is 1831853118, issued on Oct 24, 2021. An NPI identifies a provider in billing; it is not a license.

Where is William Gentry Palmer, DO located?

The NPPES record lists a practice address at 3300 Healthplex Pkwy, Norman, OK, 73072. Phone: (405) 515-1000. Providers update this record themselves, so call before visiting.

How can I verify William Gentry Palmer, DO's license?

NPPES lists Oklahoma license number 8661, 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 Gentry Palmer, DO prescribe under Medicare Part D?

In 2024, William Gentry Palmer, DO had 90 Medicare Part D claims for 75 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.