Individual provider Active NPI

Tyler R Williamson, M.D.

  • Orthopaedic Surgery Physician
  • Mammoth Lakes, CA
National Provider Identifier
1225561939
Registry record updated Aug 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
A177935 Issued in CA
Practice address
85 Sierra Park Rd
Mammoth Lakes, CA 93546-2073
Phone
(760) 924-4084
NPI assigned
Apr 10, 2017
Last updated
Aug 8, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 8, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220810000779 CA Practitioner - Orthopedic Surgery 2769751429 Reassigns benefits to 5 organizations

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
Northern Inyo Healthcare DistrictGroup PAC ID 8921992090, 104 clinicians

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

ProcedureNumber of procedures
Hip replacement1-10
Knee replacement1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
28693MNMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Northern Inyo Associates CurrentSince Jun 26, 2025 Accepting new patients
Northern Inyo Healthcare District CurrentSince Jun 26, 2025 Accepting new patients
Tahoe Orthopedics & Sports Medicine, Inc. Orthopaedic Surgery CurrentSince Aug 1, 2022 Accepting new patients
Northern Inyo Healthcare District Current Accepting new patients
Southern Mono Health Care District CurrentSince Oct 1, 2022 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.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

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

Verify at the official NPI Registry.