Active NPI
Michael Patrick McWilliams, MD
- Anesthesiology Physician
- Chapel Hill, NC
National Provider Identifier
1508652181
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- 2026-04044
- Practice address
- 101 Manning Dr
Chapel Hill, NC 27514-4220 - Phone
- (984) 974-1000
- NPI assigned
- Apr 18, 2025
- 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 |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | 2026-04044 | NC | Primary |
Addresses
Primary practice location
101 Manning Dr
Chapel Hill, NC 27514-4220
Mailing address
N2198 Unc Hospitals Campus Box 7010
Chapel Hill, NC 27599-0001
Phone (919) 966-5136
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NC
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20250429003983 | NC | Order and Referring Only - Anesthesiology | 9537685821 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| RTL25-0059 | NC | MD | Student in an Organized Health Care Education/Training Program |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1744934400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784851200000",
"number": "1508652181",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "N2198 UNC HOSPITALS CAMPUS BOX 7010",
"city": "CHAPEL HILL",
"state": "NC",
"postal_code": "275990001",
"telephone_number": "919-966-5136",
"fax_number": "919-966-4873"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "101 MANNING DR",
"city": "CHAPEL HILL",
"state": "NC",
"postal_code": "275144220",
"telephone_number": "984-974-1000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MCWILLIAMS",
"first_name": "MICHAEL",
"middle_name": "PATRICK",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2025-04-18",
"last_updated": "2026-07-24",
"certification_date": "2026-07-24",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "NC",
"license": "2026-04044",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Chapel Hill, NC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 24, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.