NPPES file of Aug 9, 2026

Pamela Weiling Yao, DO

Internal Medicine Physician · Montecito, CA

Pamela Weiling Yao, DO is an internal medicine physician with a practice address in Montecito, California, and NPI 1942837422, issued on Mar 25, 2020. Check the license (California A21302, 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
1942837422
Name
Pamela Weiling Yao
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A21302 CA
Self-reported in NPPES; status is on the state search
Practice location
1187 Coast Village RD Ste 10A, Montecito, CA 93108
Phone
(805) 565-0020
Enumerated
Mar 25, 2020
Record last updated
Sep 1, 2023
Medicare enrollment
Enrolled (PECOS I20230811000809); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1187 Coast Village RD Ste 10A

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

  1. Aristides Avgeris, MDFamily Medicine Physician1356379283
  2. Charis Bush, DOFamily Medicine Physician1679104335
  3. Susan Mayer-Oakes, M.D.Internal Medicine Physician1902916059
  4. Tommaso Tosini, MDFamily Medicine Physician1144750464

Verify Pamela Weiling Yao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A21302
    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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83% fewer Medicare Part D claims than the average internal medicine physician in 2024

554 Medicare Part D claims for 115 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Pamela Yao554
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium40 claims
  2. Levothyroxine Sodium31 claims
  3. Losartan Potassium28 claims
  4. Rosuvastatin Calcium28 claims
  5. Lisinopril26 claims
  6. Amlodipine Besylate24 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.

Bills Medicare through one group practice

  1. The Regents OF The University OF CaliforniaSanta Barbara, CA

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

4 internal medicine physician records list a practice address in Montecito

They are 4 of the 55 NPPES records with a practice address in Montecito, and 17,696 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Pamela Weiling Yao, DO's NPI number?

Pamela Weiling Yao, DO's National Provider Identifier (NPI) is 1942837422, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Pamela Weiling Yao, DO located?

The NPPES record lists a practice address at 1187 Coast Village RD Ste 10A, Montecito, CA, 93108. Phone: (805) 565-0020. Providers update this record themselves, so call before visiting.

How can I verify Pamela Weiling Yao, DO's license?

NPPES lists California license number A21302, 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 Pamela Weiling Yao, DO prescribe under Medicare Part D?

In 2024, Pamela Weiling Yao, DO had 554 Medicare Part D claims for 115 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.