Joan Michelle Hardt, M.D.
General Practice Physician · Oklahoma City, OK
Joan Michelle Hardt, M.D. is a general practice physician with a practice address in Oklahoma City, Oklahoma, and NPI 1134342892, issued on Apr 11, 2007. Check the license (Oklahoma 21186, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Joan Michelle Hardt
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 21186 OK
Self-reported in NPPES; status is on the state search - Practice location
- 6424 N Western Ave, Oklahoma City, OK 73116
- Phone
- (405) 842-1100
- Enumerated
- Apr 11, 2007
- Record last updated
- Sep 11, 2025
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 131 in Oklahoma → Look up another NPI →
Verify Joan Michelle Hardt 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 21186Check 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 general practice physician in 2024
26 Medicare Part D claims for 14 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $1,109.62
20 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Joan Michelle Hardt among 131 general practice physician records in Oklahoma
Joan Michelle Hardt, M.D. is one of 131 general practice physician records with a practice address in Oklahoma. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 44% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · 34% of these records are
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Oklahoma
There are 131 general practice physician records in Oklahoma.
All 131 in Oklahoma → Every provider in Oklahoma City → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Joseph Freund, M. D.Oklahoma City, OK 731161730228164
- Shaiv Patel, MDOklahoma City, OK 731171205396850
- Charles Taylor, M.D.Oklahoma City, OK 731181447387154
- C McCollum, D.O.Oklahoma City, OK 731191679799415
- Kathryn Hall, D.O.Oklahoma City, OK 731201376742148
- Marvis MimbaOklahoma City, OK 731121073343828
- Sarah Yoakam, MDOklahoma City, OK 731201366614372
- Bruce Thompson, MDOklahoma City, OK 731221114027927
Common questions
What is Joan Michelle Hardt, M.D.'s NPI number?
Joan Michelle Hardt, M.D.'s National Provider Identifier (NPI) is 1134342892, issued on Apr 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joan Michelle Hardt, M.D. located?
The NPPES record lists a practice address at 6424 N Western Ave, Oklahoma City, OK, 73116. Phone: (405) 842-1100. Providers update this record themselves, so call before visiting.
How can I verify Joan Michelle Hardt, M.D.'s license?
NPPES lists Oklahoma license number 21186, 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 Joan Michelle Hardt, M.D. prescribe under Medicare Part D?
In 2024, Joan Michelle Hardt, M.D. had 26 Medicare Part D claims for 14 beneficiaries; the average among general practice physician prescribers was 3,030. 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.