NPPES file of Aug 9, 2026

Frederick S. Drach, M.D.

Infectious Disease Physician · Santa Rosa, CA

Frederick S. Drach, M.D. is an infectious disease physician with a practice address in Santa Rosa, California, and NPI 1326083213, issued on Jun 17, 2006. Check the license (California G46960, 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
1326083213
Name
Frederick S. Drach
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
G46960 CA
Self-reported in NPPES; status is on the state search
Practice location
500 Doyle Park Dr, Santa Rosa, CA 95405
Phone
(707) 303-8309
Enumerated
Jun 17, 2006
Record last updated
Jan 25, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(707) 303-1087
Medicare enrollment
Enrolled (PECOS I20141010001036); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 1979
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 500 Doyle Park Dr

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

  1. Nicholas Anton, MDInternal Medicine Physician1659364933
  2. Razi Arifuddin, MDGastroenterology Physician1124085410
  3. Chad Barylski, NP-C, RN, DC, DACBSPNurse Practitioner1932358553
  4. Joshua Beirne, M.D.Gastroenterology Physician1841216041
  5. George Bisbee, MDInternal Medicine Physician1235122516
  6. Deborah Britt, M.D.Pediatrics Physician1316959307

Verify Frederick S. Drach in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G46960
    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 2 group practices

  1. Regents OF The University OF CaliforniaSan Francisco, CA
  2. Ucsf Medical Group Business ServicesSan Francisco, CA

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

Frederick S. Drach among 1,119 infectious disease physician records in California

Frederick S. Drach, M.D. is one of 1,119 infectious disease physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 54% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1979 · median 2003 among the 735 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in California

There are 1,119 infectious disease physician records in California.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Tiffany Ngai, M.D.Santa Rosa, CA 954051215378930
  2. Ye ThuSanta Rosa, CA 954051306180146
  3. Andrew Desruisseau, M.D.Santa Rosa, CA 954031518945658
  4. Gary Green, MDSanta Rosa, CA 954031124102108
  5. David Sidney, MDSanta Rosa, CA 954091841358975
  6. Shu Yang, MDSanta Rosa, CA 954091093873119
  7. Alexander Evens, D.O.Turlock, CA 953821114144649
  8. Jennifer Leoniak, D.O., M.S.Turlock, CA 953821588808703

Common questions

What is Frederick S. Drach, M.D.'s NPI number?

Frederick S. Drach, M.D.'s National Provider Identifier (NPI) is 1326083213, issued on Jun 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Frederick S. Drach, M.D. located?

The NPPES record lists a practice address at 500 Doyle Park Dr, Santa Rosa, CA, 95405. Phone: (707) 303-8309. Providers update this record themselves, so call before visiting.

How can I verify Frederick S. Drach, M.D.'s license?

NPPES lists California license number G46960, 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.