Registry data as of Aug 27, 2026

Yumi Ando, M.D.

Internal Medicine Physician · Menlo Park, CA

Yumi Ando, M.D. is an internal medicine physician with a practice address in Menlo Park, California, and NPI 1376658146, issued on Aug 20, 2006. Check the license (California A63006, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1376658146
Name
Yumi Ando
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A63006 CA
Self-reported in NPPES; status is on the state search
Practice location
887 Oak Grove Ave Ste B, Menlo Park, CA 94025
Phone
(650) 530-2719
Enumerated
Aug 20, 2006
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 887 Oak Grove Ave Ste B

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

  1. Eve Henry, M.D.Internal Medicine Physician1518270743
  2. Kathryn Saxton, D.O.Family Medicine Physician1346431871

Verify Yumi Ando in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A63006
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

72% fewer Medicare Part D claims than the average internal medicine physician in 2024

773 Medicare Part D claims for 55 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.

  1. Yumi Ando773
  2. Specialty average2,785

Most prescribed

  1. Eliquis37 claims
  2. Levothyroxine Sodium30 claims
  3. Amlodipine Besylate29 claims
  4. Hydrochlorothiazide23 claims
  5. Atorvastatin Calcium22 claims
  6. Prednisone18 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.

49 internal medicine physician records list a Menlo Park practice address

They are 49 of the 1,265 NPPES records with a Menlo Park practice address, and 20,403 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 Yumi Ando, M.D.'s NPI number?

Yumi Ando, M.D.'s National Provider Identifier (NPI) is 1376658146, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Yumi Ando, M.D. located?

The NPPES record lists a practice address at 887 Oak Grove Ave Ste B, Menlo Park, CA, 94025. Phone: (650) 530-2719. Providers update this record themselves, so call before visiting.

How can I verify Yumi Ando, M.D.'s license?

NPPES lists California license number A63006, 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 Yumi Ando, M.D. prescribe under Medicare Part D?

In 2024, Yumi Ando, M.D. had 773 Medicare Part D claims for 55 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.