NPPES file of Aug 9, 2026

Sarah Elizabeth Williams

Emergency Medicine Physician · Los Angeles, CA

Sarah Elizabeth Williams is an emergency medicine physician with a practice address in Los Angeles, California, and NPI 1376166892, issued on May 19, 2020. Check the license (California A190302, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1376166892
Name
Sarah Elizabeth Williams
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
A190302 CA
PTL9762 CA
Self-reported in NPPES; status is on the state search
Practice location
1200 N State St RM 1011, Los Angeles, CA 90089
Phone
(323) 409-7053
Enumerated
May 19, 2020
Record last updated
Sep 20, 2023
Medicare enrollment
Enrolled (PECOS I20260316001865); accepts Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1200 N State St RM 1011

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Pedro Duenas, MDStudent in an Organized Health Care Education/Training Program1063350700
  2. Darby Graham, MDStudent in an Organized Health Care Education/Training Program1528907748
  3. Alondra Hurtado, MDStudent in an Organized Health Care Education/Training Program1245090406
  4. Mizuho Morrison, DOEmergency Medicine Physician1508008335
  5. Gonzalo Paz-Soldan, MDEmergency Medicine Physician1194474627
  6. Michael Shamoon, MDEmergency Medicine Physician1053722389

Verify Sarah Elizabeth Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A190302
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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85% fewer Medicare Part D claims than the average emergency medicine physician in 2024

34 Medicare Part D claims for 23 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Sarah Williams34
  2. Specialty average226

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.

Bills Medicare through one group practice

  1. Cep America - CaliforniaBakersfield, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sarah Elizabeth Williams among 7,751 emergency medicine physician records in California

Sarah Elizabeth Williams is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 88% of them.

  • NPI issued2020 · 88% of these records are older, 8% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2022 · median 2011 among the 4,560 with a school on file
  • Record last updated2023 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Robert AllenLos Angeles, CA 900891528562469
  2. Eduardo Borquez, M.D.Los Angeles, CA 900891497935134
  3. Joseph Choi, MD, MPHLos Angeles, CA 900891902087497
  4. David Diller, M.D.Los Angeles, CA 900891801187398
  5. Dennis Espitia, M.D.Los Angeles, CA 900891669654380
  6. David Harrison, M.D.Los Angeles, CA 900891104189000
  7. Jennifer Huang, D.O.Los Angeles, CA 900891275708588
  8. Vanessa Kreger, M.D.Los Angeles, CA 900891467849604

Common questions

What is Sarah Elizabeth Williams's NPI number?

Sarah Elizabeth Williams's National Provider Identifier (NPI) is 1376166892, issued on May 19, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Elizabeth Williams located?

The NPPES record lists a practice address at 1200 N State St RM 1011, Los Angeles, CA, 90089. Phone: (323) 409-7053. Providers update this record themselves, so call before visiting.

How can I verify Sarah Elizabeth Williams's license?

NPPES lists California license number A190302, 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 Sarah Elizabeth Williams prescribe under Medicare Part D?

In 2024, Sarah Elizabeth Williams had 34 Medicare Part D claims for 23 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.