Abigail Britton Hamm, MD
Internal Medicine Physician · Oklahoma City, OK
Abigail Britton Hamm, MD is an internal medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1699396002, issued on Apr 27, 2020. Check the license (Oklahoma 71587, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Abigail Britton Hamm
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 71587 OK
Self-reported in NPPES; status is on the state search - Practice location
- 800 Stanton L Young Blvd, Oklahoma City, OK 73104
- Phone
- (405) 271-5963
- Enumerated
- Apr 27, 2020
- Record last updated
- Jun 8, 2023
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,115 in Oklahoma → Look up another NPI →
Also registered at 800 Stanton L Young Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Abigail Britton Hamm 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 71587Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
124 Medicare Part D claims for 24 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate13 claims
- Losartan Potassium11 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.
Abigail Britton Hamm among 1,115 internal medicine physician records in Oklahoma
Abigail Britton Hamm, 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 2020, is newer than 78% of them.
- NPI issued2020 · 78% of these records are older, 16% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2023 · 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 Abigail Britton Hamm, MD's NPI number?
Abigail Britton Hamm, MD's National Provider Identifier (NPI) is 1699396002, issued on Apr 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Abigail Britton Hamm, MD located?
The NPPES record lists a practice address at 800 Stanton L Young Blvd, Oklahoma City, OK, 73104. Phone: (405) 271-5963. Providers update this record themselves, so call before visiting.
How can I verify Abigail Britton Hamm, MD's license?
NPPES lists Oklahoma license number 71587, 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 Abigail Britton Hamm, MD prescribe under Medicare Part D?
In 2024, Abigail Britton Hamm, MD had 124 Medicare Part D claims for 24 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.