NPPES file of Aug 9, 2026

Beatrice Kelling Loui Yau, M.D.

Emergency Medicine Physician · Modesto, CA

Beatrice Kelling Loui Yau, M.D. is an emergency medicine physician with a practice address in Modesto, California, and NPI 1760646285, issued on Jul 14, 2008. Check the license (California A109176, 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
1760646285
Name
Beatrice Kelling Loui Yau
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A109176 CA
Self-reported in NPPES; status is on the state search
Practice location
4601 Dale RD, Modesto, CA 95356
Phone
(209) 735-5000
Enumerated
Jul 14, 2008
Record last updated
Feb 11, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4601 Dale RD

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

  1. Angela Abe, OPTOptometrist1336108885
  2. Seth Ackuayi, MDHospitalist Physician1154409985
  3. Laith Al-Najjar, D.O.Emergency Medicine Physician1932801768
  4. Zaid Alazawi, DOStudent in an Organized Health Care Education/Training Program1295583102
  5. Brandi AlbrittonCertified Respiratory Therapist1326503541
  6. Hilda Alcala, MDAnesthesiology Physician1467644427

Verify Beatrice Kelling Loui Yau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A109176
    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

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13% fewer Medicare Part D claims than the average emergency medicine physician in 2024

196 Medicare Part D claims for 130 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Beatrice Loui Yau196
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen19 claims
  2. Tizanidine Hcl14 claims
  3. Cefpodoxime Proxetil12 claims
  4. Ondansetron Odt12 claims
  5. Prednisone12 claims
  6. Ibuprofen11 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.

Beatrice Kelling Loui Yau among 7,751 emergency medicine physician records in California

Beatrice Kelling Loui Yau, M.D. 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 2008, is newer than 50% of them.

  • NPI issued2008 · 50% of these records are older, 46% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2022 · 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. Aliasgar ChinwalaModesto, CA 953561760612378
  2. Steven Deford, M.D.Modesto, CA 953561194955435
  3. John Gallo, M.D.Modesto, CA 953561003812751
  4. Richard Garcia, MDModesto, CA 953561437110566
  5. Laurel Goldstein, MDModesto, CA 953561992748446
  6. Forrest Hill, MDModesto, CA 953561902003817
  7. Christopher Lau, M.D.Modesto, CA 953561093009896
  8. Gary Murphey, M.D.Modesto, CA 953561356504013

Common questions

What is Beatrice Kelling Loui Yau, M.D.'s NPI number?

Beatrice Kelling Loui Yau, M.D.'s National Provider Identifier (NPI) is 1760646285, issued on Jul 14, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Beatrice Kelling Loui Yau, M.D. located?

The NPPES record lists a practice address at 4601 Dale RD, Modesto, CA, 95356. Phone: (209) 735-5000. Providers update this record themselves, so call before visiting.

How can I verify Beatrice Kelling Loui Yau, M.D.'s license?

NPPES lists California license number A109176, 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 Beatrice Kelling Loui Yau, M.D. prescribe under Medicare Part D?

In 2024, Beatrice Kelling Loui Yau, M.D. had 196 Medicare Part D claims for 130 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.