Registry data as of Aug 27, 2026

Thea Drayer, MD

Internal Medicine Physician · Healdsburg, CA

Thea Drayer, MD is an internal medicine physician with a practice address in Healdsburg, California, and NPI 1205906021, issued on Nov 9, 2006. Check the license (California A40925, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1205906021
Name
Thea Drayer
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A40925 CA
Self-reported in NPPES; status is on the state search
Practice location
1312 Prentice Drive, Healdsburg, CA 95448
Phone
(707) 433-3383
Enumerated
Nov 9, 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 1312 Prentice Drive

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

  1. David Anderson, MDInternal Medicine Physician1629005483
  2. Mary Berg, MDFamily Medicine Physician1487724290
  3. Paul MarguglioInternal Medicine Physician1023045861
  4. Douglas Pile, MDFamily Medicine Physician1710914577
  5. Susan Pizzo, FNPFamily Nurse Practitioner1558440735

Verify Thea Drayer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A40925
    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 →

12 internal medicine physician records list a Healdsburg practice address

They are 12 of the 226 NPPES records with a Healdsburg practice address, and 20,403 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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 Thea Drayer, MD's NPI number?

Thea Drayer, MD's National Provider Identifier (NPI) is 1205906021, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thea Drayer, MD located?

The NPPES record lists a practice address at 1312 Prentice Drive, Healdsburg, CA, 95448. Phone: (707) 433-3383. Providers update this record themselves, so call before visiting.

How can I verify Thea Drayer, MD's license?

NPPES lists California license number A40925, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.