Registry data as of Aug 27, 2026

Jean Waltuch, MD

Internal Medicine Physician · Menlo Park, CA

Jean Waltuch, MD is an internal medicine physician with a practice address in Menlo Park, California, and NPI 1093770919, issued on Apr 20, 2006. Check the license (California A60642, 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
1093770919
Name
Jean Waltuch
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A60642 CA
Self-reported in NPPES; status is on the state search
Practice location
1300 Crane St, Menlo Park, CA 94025
Phone
(650) 498-6500
Enumerated
Apr 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 1300 Crane St

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

  1. Sarah Bahm, MDPediatrics Physician1841634128
  2. Eliza Bennitt, MDInternal Medicine Physician1043315740
  3. Jessica Buesing, MDInternal Medicine Physician1487159513
  4. Nidhi Chaudhry, M.DInternal Medicine Physician1447540398
  5. Hui Chen, M.D.Neuroradiology Physician1275704371
  6. Victoria Chen, MDInternal Medicine Physician1073705067

Verify Jean Waltuch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A60642
    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 →

14% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,388 Medicare Part D claims for 310 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 30 claims were for opioids.

  1. Jean Waltuch2,388
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium203 claims
  2. Amlodipine Besylate178 claims
  3. Levothyroxine Sodium175 claims
  4. Rosuvastatin Calcium127 claims
  5. Lisinopril118 claims
  6. Simvastatin81 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.

One hospital or facility affiliation

  1. University Healthcare AllianceMenlo Park, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

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 Jean Waltuch, MD's NPI number?

Jean Waltuch, MD's National Provider Identifier (NPI) is 1093770919, issued on Apr 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jean Waltuch, MD located?

The NPPES record lists a practice address at 1300 Crane St, Menlo Park, CA, 94025. Phone: (650) 498-6500. Providers update this record themselves, so call before visiting.

How can I verify Jean Waltuch, MD's license?

NPPES lists California license number A60642, 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 Jean Waltuch, MD prescribe under Medicare Part D?

In 2024, Jean Waltuch, MD had 2,388 Medicare Part D claims for 310 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.