Active NPI
Tyler R Williamson, M.D.
- Orthopaedic Surgery Physician
- Mammoth Lakes, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Orthopaedic Surgery Physician
- License
- A177935
- Practice address
- 85 Sierra Park Rd
Mammoth Lakes, CA 93546-2073 - Phone
- (760) 924-4084
- NPI assigned
- Apr 10, 2017
- Last updated
- Aug 8, 2025
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Orthopaedic Surgery Physician | 207X00000X | 74344 | MN | |
| Orthopaedic Surgery Physician | 207X00000X | A177935 | CA | Primary |
| Sports Medicine (Orthopaedic Surgery) Physician | 207XX0005X | 74344 | MN |
Addresses
Primary practice location
85 Sierra Park Rd
Mammoth Lakes, CA 93546-2073
Mailing address
4200 Dahlberg Dr Ste 300
Golden Valley, MN 55422-4841
Phone (952) 512-5600
Other practice location 1
16800 37th Pl N
Ste 200
Plymouth, MN 55446
Phone (635) 207-8707
Other practice location 2
152 Pioneer Ln Ste A
Bishop, CA 93514-2563
Phone (760) 873-2623
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- 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
- Orthopedic Surgery
- Education
- New York University School of Medicine, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
152 Pioneer LN
Suite a
Bishop, CA 93514-2563
Phone (760) 873-2605
85 Sierra Park Rd
Mammoth Lakes, CA 93546-2073
Phone (760) 934-3311
PO Box
Mammoth Lakes, CA 93546-0660
Hospital & facility affiliations
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Hip replacement | 1-10 |
| Knee replacement | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 28693 | MN | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Northern Inyo Associates | Current | Accepting new patients | |
| Northern Inyo Healthcare District | Current | Accepting new patients | |
| Tahoe Orthopedics & Sports Medicine, Inc. | Orthopaedic Surgery | Current | Accepting new patients |
| Northern Inyo Healthcare District | Current | Accepting new patients | |
| Southern Mono Health Care District | Current | Accepting new patients |
Locations
150 Pioneer Ln
Bishop, CA 93514
Phone (760) 873-2136
152 Pioneer Ln
Ste A
Bishop, CA 93514
Phone (760) 873-2605
152 Pioneer Ln
Ste F
Bishop, CA 93514
Phone (760) 872-1606
1139 3rd St
South Lake Tahoe, CA 96150
Phone (530) 541-3100
2170 South Ave
South Lake Tahoe, CA 96150
Phone (530) 541-3420
2170 South Ave
#B
South Lake Tahoe, CA 96150
Phone (530) 539-6620
Organizations & group practices 5
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.
-
dba Northern Inyo Hospital
- Critical Access Hospital
- Bishop, CA
- NPI 1922198712
-
dba Mammoth Hospital
- Critical Access Hospital Clinic/Center
- Mammoth Lakes, CA
- NPI 1962444059
-
- Orthopaedic Surgery Physician
- South Lake Tahoe, CA
- NPI 1902131287
-
- Clinic/Center
- Bishop, CA
- NPI 1649664848
-
dba Northern Inyo Hospital
- Medicare Defined Swing Bed Hospital Unit
- Bishop, CA
- NPI 1669798815
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Northern Inyo Hospital
- Critical Access Hospital
- Bishop, CA
- NPI 1922198712
-
dba Mammoth Hospital
- Critical Access Hospital Clinic/Center
- Mammoth Lakes, CA
- NPI 1962444059
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1491782400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1754611200000",
"number": "1225561939",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4200 DAHLBERG DR STE 300",
"city": "GOLDEN VALLEY",
"state": "MN",
"postal_code": "554224841",
"telephone_number": "952-512-5600"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "85 SIERRA PARK RD",
"city": "MAMMOTH LAKES",
"state": "CA",
"postal_code": "935462073",
"telephone_number": "760-924-4084"
}
],
"practiceLocations": [
{
"address_1": "16800 37th Pl N",
"address_2": "Ste 200",
"address_purpose": "LOCATION",
"city": "Plymouth",
"state": "MN",
"postal_code": "55446",
"country_code": "US",
"telephone_number": "635-207-8707",
"fax_number": "763-520-7580",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "152 Pioneer Ln Ste A",
"address_purpose": "LOCATION",
"city": "Bishop",
"state": "CA",
"postal_code": "935142563",
"country_code": "US",
"telephone_number": "760-873-2623",
"fax_number": "760-873-2626",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WILLIAMSON",
"first_name": "TYLER",
"middle_name": "R",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2017-04-10",
"last_updated": "2025-08-08",
"certification_date": "2025-08-08",
"status": "A"
},
"taxonomies": [
{
"code": "207X00000X",
"taxonomy_group": "",
"desc": "Orthopaedic Surgery",
"state": "MN",
"license": "74344",
"primary": false
},
{
"code": "207X00000X",
"taxonomy_group": "",
"desc": "Orthopaedic Surgery",
"state": "CA",
"license": "A177935",
"primary": true
},
{
"code": "207XX0005X",
"taxonomy_group": "",
"desc": "Orthopaedic Surgery, Sports Medicine",
"state": "MN",
"license": "74344",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Mammoth Lakes, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 8, 2025; 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.