Jacob Willis Witmer
Emergency Medicine Physician · Oklahoma City, OK
Jacob Willis Witmer is an emergency medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1619473972, issued on Apr 4, 2018. Check the license (Oklahoma 6804, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Jacob Willis Witmer
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 6804 OK
Self-reported in NPPES; status is on the state search - Practice location
- 4401 S Western Ave, Oklahoma City, OK 73109
- Phone
- (305) 636-7195
- Enumerated
- Apr 4, 2018
- Record last updated
- Jun 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190911001299); accepts Medicare assignment
- Medical or professional school
- William Carey University College Of Osteopathic Medicine, 2018
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 748 in Oklahoma → Look up another NPI →
Also registered at 4401 S Western Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Adams, D.O.Anesthesiology Physician1518257518
- Tinuola AgbabiakaEmergency Medicine Physician1790097459
- Jacob Allbritton, PA-CPhysician Assistant1639646656
- Eric AndersonPhysician Assistant1245874270
- Abeer Bin Awais, MDHospitalist Physician1568194108
- Christopher Bass, D.O.Emergency Medicine Physician1154686152
Verify Jacob Willis Witmer 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 6804Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average emergency medicine physician in 2024
199 Medicare Part D claims for 153 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 13 claims were for opioids.
Most prescribed
- Meloxicam42 claims
- Ondansetron Odt30 claims
- Cephalexin23 claims
- Prednisone17 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.
Bills Medicare through one group practice
- Norman Regional Hospital AuthorityNorman, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacob Willis Witmer among 748 emergency medicine physician records in Oklahoma
Jacob Willis Witmer 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 2018, is newer than 70% of them.
- NPI issued2018 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2018 · median 2016 among the 438 with a school on file
- Record last updated2020 · 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).
Emergency Medicine Physician providers in Oklahoma
There are 748 emergency medicine physician records in Oklahoma.
All 748 in Oklahoma → Every provider in Oklahoma City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Tinuola AgbabiakaOklahoma City, OK 731091790097459
- Juliana Bizzell, D.O.Oklahoma City, OK 731091437313566
- Carrie Clark, D.OOklahoma City, OK 731091942445804
- Holly Costner, D.O.Oklahoma City, OK 731091912159492
- Colby Edwards, D.O.Oklahoma City, OK 731091114093655
- Tiffany Elliott, D.O.Oklahoma City, OK 731091801026851
- Adam Henson, D.O.Oklahoma City, OK 731091093963498
- Jarrod Mueggenborg, D.O.Oklahoma City, OK 731091629389432
Common questions
What is Jacob Willis Witmer's NPI number?
Jacob Willis Witmer's National Provider Identifier (NPI) is 1619473972, issued on Apr 4, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Jacob Willis Witmer located?
The NPPES record lists a practice address at 4401 S Western Ave, Oklahoma City, OK, 73109. Phone: (305) 636-7195. Providers update this record themselves, so call before visiting.
How can I verify Jacob Willis Witmer's license?
NPPES lists Oklahoma license number 6804, 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 Jacob Willis Witmer prescribe under Medicare Part D?
In 2024, Jacob Willis Witmer had 199 Medicare Part D claims for 153 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.