Active NPI
Michael William, MD
- Sleep Medicine (Internal Medicine) Physician
- Frisco, TX
National Provider Identifier
1669931440
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Sleep Medicine (Internal Medicine) Physician
- License
- U2037
- Practice address
- 2840 Legacy Dr Ste 400
Frisco, TX 75034-6055 - Phone
- (469) 200-6100
- NPI assigned
- Mar 19, 2019
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Sleep Medicine (Internal Medicine) Physician | 207RS0012X | U2037 | TX | Primary |
| Internal Medicine Physician | 207R00000X | U2037 | TX |
Addresses
Primary practice location
2840 Legacy Dr Ste 400
Frisco, TX 75034-6055
Mailing address
2840 Legacy Dr Ste 400
Frisco, TX 75034-6055
Phone (469) 200-6100
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX
- 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
- Other, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
2840 Legacy Dr
Suite 400
Frisco, TX 75034-6055
Phone (469) 200-6100
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| U2037 | TX | MD | Sleep Medicine (Internal Medicine) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Inspire Health PLLC | Multi-Specialty | Current | Accepting new patients |
Locations
2840 Legacy Dr
Ste 400
Frisco, TX 75034
Phone (469) 200-6100
5575 Warren Pkwy
Ste 115
Frisco, TX 75034
Phone (469) 200-6100
5026 Tennyson Pkwy
Plano, TX 75024
Phone (469) 200-6100
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1552953600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1772755200000",
"number": "1669931440",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2840 LEGACY DR STE 400",
"city": "FRISCO",
"state": "TX",
"postal_code": "750346055",
"telephone_number": "469-200-6100"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2840 LEGACY DR STE 400",
"city": "FRISCO",
"state": "TX",
"postal_code": "750346055",
"telephone_number": "469-200-6100"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WILLIAM",
"first_name": "MICHAEL",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2019-03-19",
"last_updated": "2026-03-06",
"certification_date": "2026-03-06",
"status": "A"
},
"taxonomies": [
{
"code": "207RS0012X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine, Sleep Medicine",
"state": "TX",
"license": "U2037",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "TX",
"license": "U2037",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Frisco, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 6, 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.