Michael Hayes, M.D.
Internal Medicine Physician · Marion, OH
Michael Hayes, M.D. is an internal medicine physician with a practice address in Marion, Ohio, and NPI 1174587943, issued on Apr 17, 2006. Check the license (Ohio 35.049227, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Michael Hayes
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35.049227 OH
Self-reported in NPPES; status is on the state search - Practice location
- 980 S Prospect St, Marion, OH 43302
- Phone
- (740) 387-6400
- Enumerated
- Apr 17, 2006
- Entity
- Type 1 · individual
Also registered at 980 S Prospect St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vivek Awasty, MDInternal Medicine Physician1093718207
Verify Michael Hayes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.049227Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
4.6 times the Medicare Part D claims of the average internal medicine physician in 2024
12,825 Medicare Part D claims for 701 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 252 claims were for opioids.
Most prescribed
- Losartan Potassium681 claims
- Atorvastatin Calcium617 claims
- Amlodipine Besylate579 claims
- Lisinopril558 claims
- Levothyroxine Sodium518 claims
- Metformin Hcl431 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: $911.89
51 payments, mostly food and beverage; the largest payer was GlaxoSmithKline, LLC.. The 65,274 providers of this specialty with any payment received $2,536.66 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.
One hospital or facility affiliation
- Marion Area Physicians LLCMarion, OH
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
39 internal medicine physician records list a Marion practice address
They are 39 of the 1,225 NPPES records with a Marion practice address, and 5,995 internal medicine physician records in Ohio.
All 39 in Marion → All 5,995 in Ohio → Every provider in Marion →
Other internal medicine physician records in Ohio
- Evan Abalos, D.O.Toledo, OH1194163089
- Teah Abashidze, M.D.Cleveland, OH1336179647
- Rami Abboud, MDLorain, OH1487854972
- Walid Abboud, MDCleveland, OH1245295559
- Moshrik Abd-Alamir, M.D.Toledo, OH1386879054
- Jason Abdallah, M.D.Cuyahoga Falls, OH1093071565
- Saaid Abdel-Ghani, M.D.Columbus, OH1598926529
- Mohammed Abdelaziz, MDDayton, OH1831326701
- Bahaa Abdelghaffar, MDCleveland, OH1265954275
- John Abdelnour, MDCleveland, OH1114656931
Common questions
What is Michael Hayes, M.D.'s NPI number?
Michael Hayes, M.D.'s National Provider Identifier (NPI) is 1174587943, issued on Apr 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Hayes, M.D. located?
The NPPES record lists a practice address at 980 S Prospect St, Marion, OH, 43302. Phone: (740) 387-6400. Providers update this record themselves, so call before visiting.
How can I verify Michael Hayes, M.D.'s license?
NPPES lists Ohio license number 35.049227, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Hayes, M.D. prescribe under Medicare Part D?
In 2024, Michael Hayes, M.D. had 12,825 Medicare Part D claims for 701 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.