Active NPI
Michael J Hayes, M.D.
- Internal Medicine Physician
- Marion, OH
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 35.049227
- Practice address
- 980 S Prospect St
Suite 1
Marion, OH 43302-6225 - Phone
- (740) 387-6400
- Fax
- (740) 387-6027
- NPI assigned
- Apr 17, 2006
- Last updated
- Aug 10, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 35.049227 | OH | Primary |
Addresses
Primary practice location
980 S Prospect St
Suite 1
Marion, OH 43302-6225
Mailing address
PO Box 7527
Dublin, OH 43017-0727
Other identifiers 9
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0400328 | Other | OH | UHC |
| 311098079 | Other | OH | PPONEXT |
| 000000118433 | Other | ANTHEM BCBS | |
| 311098079111 | Other | OH | CIGNA |
| 0521368 | Medicaid | OH | |
| 634982 | Other | OH | AETNA |
| 9121643 | Other | OH | MEDICARE GROUP |
| 9121647 | Other | OH | MEDICARE GROUP |
| 353077 | Other | OH | CLEARINGHOUSE SUBMITTER# |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in OH
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Michigan State University College of Human Medicine, 1980
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1040 Delaware Ave
Marion, OH 43302-6416
Phone (740) 383-7936
1050 Delaware Ave
Marion, OH 43302-6416
Phone (740) 383-7936
960 S Prospect St
Marion, OH 43302-6225
Phone (740) 383-2776
980 S Prospect St
Marion, OH 43302-6225
Phone (800) 282-6741
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Marion Area Physicians LLC | Internal Medicine | Current | Accepting new patients |
| Lima Memorial Joint Operating Company | Past | Accepting new patients |
Locations
Dept L3652
Columbus, OH 43260
L3652
Columbus, OH 43260
1040 Delaware Ave
Marion, OH 43302
Phone (330) 256-9874
1050 Delaware Ave
Marion, OH 43302
Phone (740) 383-7038
980 S Prospect St
#1
Marion, OH 43302
Phone (740) 387-6400
990 S Prospect St
Ste 3
Marion, OH 43302
Phone (740) 383-7910
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Internal Medicine Physician
- Marion, OH
- NPI 1619230802
-
dba Lima Memorial Health System
- General Acute Care Hospital
- Lima, OH
- NPI 1336144732
Hospital & facility affiliations 9
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba OhioHealth Home Health
- Home Health Agency
- Dublin, OH
- NPI 1821103227
-
- General Acute Care Hospital
- Delaware, OH
- NPI 1235174327
-
- Critical Access Hospital
- Kenton, OH
- NPI 1437181518
-
- General Acute Care Hospital
- Marion, OH
- NPI 1215935366
-
dba MGH Reference Lab
- Clinical Medical Laboratory
- Marion, OH
- NPI 1427494277
Hospital
-
dba OhioHealth Morrow County Hospital
- Critical Access Hospital
- Mount Gilead, OH
- NPI 1790775161
-
dba CenterWell Home Health II
- Home Health Agency
- Mount Vernon, OH
- NPI 1821398447
-
- Critical Access Hospital
- Upper Sandusky, OH
- NPI 1477554475
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1145232000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1786320000000",
"number": "1174587943",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 7527",
"city": "DUBLIN",
"state": "OH",
"postal_code": "430170727"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "980 S PROSPECT ST",
"address_2": "SUITE 1",
"city": "MARION",
"state": "OH",
"postal_code": "433026225",
"telephone_number": "740-387-6400",
"fax_number": "740-387-6027"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HAYES",
"first_name": "MICHAEL",
"middle_name": "J",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-04-17",
"last_updated": "2026-08-10",
"certification_date": "2026-08-10",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "OH",
"license": "35.049227",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "UHC",
"identifier": "0400328",
"state": "OH"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "PPONEXT",
"identifier": "311098079",
"state": "OH"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "ANTHEM BCBS",
"identifier": "000000118433",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CIGNA",
"identifier": "311098079111",
"state": "OH"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0521368",
"state": "OH"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "AETNA",
"identifier": "634982",
"state": "OH"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MEDICARE GROUP",
"identifier": "9121643",
"state": "OH"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MEDICARE GROUP",
"identifier": "9121647",
"state": "OH"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CLEARINGHOUSE SUBMITTER#",
"identifier": "353077",
"state": "OH"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Marion, OH
- Russell David Hatfield Jr., D.D.S., M.S.
- Matthew Wayne Haviland
- Lauren Elizabeth Hawk, CNP
- Paul Hawkins
- April Denice Hayes, LSW
- Nathan Kyle Haynes
- Health & Homecare Concepts
- Health & Homecare Concepts Inc. (Health & HomeCare Concepts)
- Heartland Hospice Services, LLC (ProMedica Hospice (Marion))
- Heartland of Marion Oh, LLC (ProMedica Skilled Nursing and Rehabilitation (Marion))
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.