NPPES file of Aug 9, 2026

Rudy Y. Santos, MD

Hospitalist Physician · Santa Rosa, CA

Rudy Y. Santos, MD is a hospitalist physician with a practice address in Santa Rosa, California, and NPI 1336149749, issued on Jul 28, 2005. Check the license (California C53119, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336149749
Name
Rudy Y. Santos
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
C53119 CA
Self-reported in NPPES; status is on the state search
Practice location
1165 Montgomery Dr, Santa Rosa, CA 95405
Phone
(707) 888-4415
Enumerated
Jul 28, 2005
Record last updated
Jun 29, 2023
Medicaid ID
0018871270003 PA
Medicare enrollment
Enrolled (PECOS I20080314000277); accepts Medicare assignment
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 1165 Montgomery Dr

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

  1. Maryam Aghighi, MDAnatomic Pathology & Clinical Pathology Physician1073074977
  2. Johnathan Agil, MDEmergency Medicine Physician1700413002
  3. Katherine Aldrich, NPAdult Health Nurse Practitioner1194995563
  4. Mujeeb Altaf, MBBS.,MRCP(UK)Hospitalist Physician1316125941
  5. Rebecca Althoff, RNFARegistered Nurse First Assistant1427119668
  6. Sanyogeeta Bhaway, M.D.Internal Medicine Physician1275828162

Verify Rudy Y. Santos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C53119
    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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Bills Medicare through one group practice

  1. Providence Medical FoundationSanta Rosa, CA

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

Rudy Y. Santos among 3,099 hospitalist physician records in California

Rudy Y. Santos, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 98% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated1997 · median 2010 among the 2,505 with a school on file
  • Record last updated2023 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in California

There are 3,099 hospitalist physician records in California.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Mujeeb Altaf, MBBS.,MRCP(UK)Santa Rosa, CA 954051316125941
  2. Jill Kaplan, MDSanta Rosa, CA 954051710118849
  3. Song Lu, MDSanta Rosa, CA 954051346864709
  4. Hachem Nasri, M.D.Santa Rosa, CA 954051235576893
  5. Punita Pandya, M.D.Santa Rosa, CA 954051841687928
  6. Jonathan Chung, MDSanta Rosa, CA 954031598256414
  7. Neha GargSanta Rosa, CA 954031134360902
  8. Margaret Guo, MDSanta Rosa, CA 954031760566764

Common questions

What is Rudy Y. Santos, MD's NPI number?

Rudy Y. Santos, MD's National Provider Identifier (NPI) is 1336149749, issued on Jul 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Rudy Y. Santos, MD located?

The NPPES record lists a practice address at 1165 Montgomery Dr, Santa Rosa, CA, 95405. Phone: (707) 888-4415. Providers update this record themselves, so call before visiting.

How can I verify Rudy Y. Santos, MD's license?

NPPES lists California license number C53119, 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.

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.