Tyler R. Williamson, M.D.
Orthopaedic Surgery Physician · Mammoth Lakes, CA
Tyler R. Williamson, M.D. is an orthopaedic surgery physician with a practice address in Mammoth Lakes, California, and NPI 1225561939, issued on Apr 10, 2017. Check the license (California A177935, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tyler R. Williamson
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- A177935 CA
74344 MN
Self-reported in NPPES; status is on the state search - Practice location
- 85 Sierra Park RD, Mammoth Lakes, CA 93546
- Phone
- (760) 924-4084
- Enumerated
- Apr 10, 2017
- Record last updated
- Aug 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20220810000779); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 85 Sierra Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Darin Abacherli, RNFARegistered Nurse First Assistant1114721008
- Elaine Alrutz, PTPhysical Therapist1861969370
- Frohar Bahiraei, MDSurgery Physician1699819086
- David Bassler, M.D.Emergency Medicine Physician1386799930
- Mary Bassler, M.D.Family Medicine Physician1922153014
- Scott BealePhysical Therapist1669222576
Verify Tyler R. Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A177935Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
54 Medicare Part D claims for 29 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 13 claims were for opioids.
Most prescribed
- Methocarbamol24 claims
- Oxycodone Hcl12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,916.15
26 payments; by number, the most common kind was food and beverage; the largest payer was Arthrex, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Northern Inyo Healthcare DistrictBishop, CA
- Southern Mono Health Care DistrictMammoth Lakes, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tyler R. Williamson among 2,276 orthopaedic surgery physician records in California
Tyler R. Williamson, M.D. is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 88% of them.
- NPI issued2017 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2017 · median 2003 among the 1,347 with a school on file
- Record last updated2025 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 orthopaedic surgery physician records list a practice address in Mammoth Lakes
They are 5 of the 167 NPPES records with a practice address in Mammoth Lakes, and 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in Mammoth Lakes → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Timothy Crall, MDMammoth Lakes, CA 935461972794097
- Michael Karch, M.D.Mammoth Lakes, CA 935461861548448
- Collin Laporte, MDMammoth Lakes, CA 935461780265587
- Kyle MinkelMammoth Lakes, CA 935461073142501
- Alireza Jamali, MDPalmdale, CA 935511841267994
- John Kayvanfar, M.D.Palmdale, CA 935511689743437
- Anand Shah, M.D.Palmdale, CA 935511700087582
- Mehul Taylor, MDPalmdale, CA 935511205037561
Common questions
What is Tyler R. Williamson, M.D.'s NPI number?
Tyler R. Williamson, M.D.'s National Provider Identifier (NPI) is 1225561939, issued on Apr 10, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Tyler R. Williamson, M.D. located?
The NPPES record lists a practice address at 85 Sierra Park RD, Mammoth Lakes, CA, 93546. Phone: (760) 924-4084. Providers update this record themselves, so call before visiting.
How can I verify Tyler R. Williamson, M.D.'s license?
NPPES lists California license number A177935, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tyler R. Williamson, M.D. prescribe under Medicare Part D?
In 2024, Tyler R. Williamson, M.D. had 54 Medicare Part D claims for 29 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.