Sarah Walker, MD
Orthopaedic Surgery Physician · Los Angeles, CA
Sarah Walker, MD is an orthopaedic surgery physician with a practice address in Los Angeles, California, and NPI 1386054591, issued on Apr 28, 2014. Check the license (California A161613, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sarah Walker
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- A161613 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4650 W Sunset Blvd, Los Angeles, CA 90027
- Phone
- (888) 631-2452
- Enumerated
- Apr 28, 2014
- Record last updated
- Jul 22, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (323) 361-8988
- Medicare enrollment
- Enrolled (PECOS I20190815000982); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 4650 W Sunset Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Etai Adam, M.D.Pediatrics Physician1578811998
Verify Sarah Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A161613Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Faculty Physicians And Surgeons OF LlusmLoma Linda, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Walker among 2,276 orthopaedic surgery physician records in California
Sarah Walker, MD 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 2014, is newer than 82% of them.
- NPI issued2014 · 82% of these records are older, 16% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2014 · median 2003 among the 1,347 with a school on file
- Record last updated2019 · 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).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in Los Angeles → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- David Apel, MDLos Angeles, CA 900271568553055
- Vincent Chen, M.DLos Angeles, CA 900271831197284
- Amirhesam Ehsan, M.DLos Angeles, CA 900271316163744
- Rachel Goldstein, MD, MPHLos Angeles, CA 900271831395557
- Nina Lightdale, M.D.Los Angeles, CA 900271316149636
- H. Michael Mynatt, MDLos Angeles, CA 900271326100207
- Duy Phan, MDLos Angeles, CA 900271538459730
- Deirdre Ryan, MDLos Angeles, CA 900271982678025
Common questions
What is Sarah Walker, MD's NPI number?
Sarah Walker, MD's National Provider Identifier (NPI) is 1386054591, issued on Apr 28, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Walker, MD located?
The NPPES record lists a practice address at 4650 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (888) 631-2452. Providers update this record themselves, so call before visiting.
How can I verify Sarah Walker, MD's license?
NPPES lists California license number A161613, 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.
What is Sarah Walker, MD's MIPS final score?
The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.