Allison Mary Hemmer, MD
Internal Medicine Physician · Oklahoma City, OK
Allison Mary Hemmer, MD is an internal medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1225879638, issued on Jun 3, 2024. Check the license (Oklahoma 43727, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Allison Mary Hemmer
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 43727 OK
Self-reported in NPPES; status is on the state search - Practice location
- 700 NE 13TH St, Oklahoma City, OK 73104
- Phone
- (405) 271-8001
- Enumerated
- Jun 3, 2024
- Record last updated
- Jun 3, 2024
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,115 in Oklahoma → Look up another NPI →
Also registered at 700 NE 13TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Allison Mary Hemmer 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 43727Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
25 Medicare Part D claims for 11 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Allison Mary Hemmer among 1,115 internal medicine physician records in Oklahoma
Allison Mary Hemmer, MD is one of 1,115 internal medicine physician records with a practice address in Oklahoma. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 95% of them.
- NPI issued2024 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2024 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
418 internal medicine physician records list a practice address in Oklahoma City
They are 418 of the 22,359 NPPES records with a practice address in Oklahoma City, and 1,115 internal medicine physician records in Oklahoma.
All 1,115 in Oklahoma → Every provider in Oklahoma City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mark Allee, MDOklahoma City, OK 731041255309597
- M Andrews, MDOklahoma City, OK 731041982672226
- Steve Blevins, MDOklahoma City, OK 731041538138565
- Dale Bratzler, D.O.Oklahoma City, OK 731041841272192
- Shouvik Chakrabarty, MDOklahoma City, OK 731041487622726
- Charles Folger, MDOklahoma City, OK 731041235105933
- Carlota Hernandez, M.D.Oklahoma City, OK 731041952373045
- Farrukh Jawaid, M.D.Oklahoma City, OK 731041366495616
Common questions
What is Allison Mary Hemmer, MD's NPI number?
Allison Mary Hemmer, MD's National Provider Identifier (NPI) is 1225879638, issued on Jun 3, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Allison Mary Hemmer, MD located?
The NPPES record lists a practice address at 700 NE 13TH St, Oklahoma City, OK, 73104. Phone: (405) 271-8001. Providers update this record themselves, so call before visiting.
How can I verify Allison Mary Hemmer, MD's license?
NPPES lists Oklahoma license number 43727, 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 Allison Mary Hemmer, MD prescribe under Medicare Part D?
In 2024, Allison Mary Hemmer, MD had 25 Medicare Part D claims for 11 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.