NPPES file of Aug 9, 2026

Kimberly Santo, PA

Physician Assistant · Stanford, CA

Kimberly Santo, PA is a physician assistant with a practice address in Stanford, California, and NPI 1891276846, issued on Aug 28, 2018. Check the license (California 62550, as entered in NPPES) with the California board that licenses this profession; 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
1891276846
Name
Kimberly Santo
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
62550 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr, Stanford, CA 94305
Phone
(650) 723-4000
Enumerated
Aug 28, 2018
Record last updated
Apr 12, 2023
Medicaid ID
11059780 FL
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 300 Pasteur Dr

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

  1. Cooper Aakhus, MDEmergency Medicine Physician1194351007
  2. Oliver Aalami, M.D.Vascular Surgery Physician1225229024
  3. Alistair Aaronson, MDInternal Medicine Physician1457628760
  4. Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
  5. Fahim Abbasi, M.D.Internal Medicine Physician1841484037
  6. Mohamad Abbass, MDNeurological Surgery Physician1679492151

Verify Kimberly Santo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 62550
    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
Find 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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99% fewer Medicare Part D claims than the average physician assistant in 2024

11 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Kimberly Santo11
  2. Specialty average830

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.

Kimberly Santo among 14,451 physician assistant records in California

Kimberly Santo, PA is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 52% of them.

  • NPI issued2018 · 52% of these records are older, 44% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2023 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

480 physician assistant records list a practice address in Stanford

They are 480 of the 5,606 NPPES records with a practice address in Stanford, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Jaclyn Bilello, PA-CStanford, CA 943051285695445
  2. Deanna Cully, PA-CStanford, CA 943051912967779
  3. Deborah Espinoza, PA-CStanford, CA 943051558361733
  4. Lorin Ferguson, PA-CStanford, CA 943051912972340
  5. John Laurence, PA-CStanford, CA 943051568445070
  6. David Miller, PA-CStanford, CA 943051538140413
  7. Irina Penev, PA-CStanford, CA 943051851361646
  8. Pamela Piacente-Rhodes, PA-CStanford, CA 943051598735227

Common questions

What is Kimberly Santo, PA's NPI number?

Kimberly Santo, PA's National Provider Identifier (NPI) is 1891276846, issued on Aug 28, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Kimberly Santo, PA located?

The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.

How can I verify Kimberly Santo, PA's license?

NPPES lists California license number 62550, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Kimberly Santo, PA prescribe under Medicare Part D?

In 2024, Kimberly Santo, PA had 11 Medicare Part D claims; the average among physician assistant prescribers was 830. 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.