Michael Hayes, M.D.
NPI 1174587943 · Internal Medicine Physician · Marion, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Hayes, M.D. is a Internal Medicine Physician provider in Marion, OH (NPI 1174587943).
Provider details
- NPI number
- 1174587943
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35.049227 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,800 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,738 | $77 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 395 | $70 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 225 | $3 |
| Administration of Influenza Virus VaccineG0008 | 175 | $30 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 85 | $9 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 145 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 681 | 174 |
| Atorvastatin Calcium | 617 | 170 |
| Amlodipine Besylate | 579 | 156 |
| Lisinopril | 558 | 152 |
| Levothyroxine Sodium | 518 | 118 |
| Metformin Hcl | 431 | 111 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$912 across 51 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-17
- Last updated
- 2022-03-21
- Certified
- 2022-03-21
Frequently asked questions
- What is Michael Hayes's NPI number?
- Michael Hayes's National Provider Identifier (NPI) is 1174587943, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Hayes's specialty?
- Michael Hayes is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Hayes located?
- Michael Hayes's practice location on file with NPPES is 980 S Prospect St, Marion, OH 43302-6225.
- What is Michael Hayes's phone number?
- The practice phone number listed in the NPPES registry for Michael Hayes is (740) 387-6400.
- Does Michael Hayes accept Medicare?
- Michael Hayes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Hayes's NPI active?
- Yes — Michael Hayes's NPI (1174587943) is active in the NPPES registry as of the last update on 2022-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.