NPPES file of Aug 9, 2026

Melvin Lawrence Thrash, M.D.

Psychiatry Physician · Santa Rosa, CA

Melvin Lawrence Thrash, M.D. is a psychiatry physician with a practice address in Santa Rosa, California, and NPI 1598795239, issued on Jul 4, 2006. Check the license on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598795239
Name
Melvin Lawrence Thrash
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
126300 NY
Self-reported in NPPES; status is on the state search
Practice location
3315 Chanate RD, Santa Rosa, CA 95404
Phone
(707) 570-3800
Enumerated
Jul 4, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(707) 570-3860
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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8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →

Also registered at 3315 Chanate RD

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

  1. Jenness Keller, MPH, RDRegistered Dietitian1407889645
  2. Kathryn King, LCSWClinical Social Worker1306854906
  3. Kathy Wong, PHARM.D.Pharmacist1598871949

Verify Melvin Lawrence Thrash in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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

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Melvin Lawrence Thrash among 8,673 psychiatry physician records in California

Melvin Lawrence Thrash, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 67% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2007 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

73 psychiatry physician records list a practice address in Santa Rosa

They are 73 of the 6,884 NPPES records with a practice address in Santa Rosa, and 8,673 psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 8,673 in California → Every provider in Santa Rosa → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Susan Ahart, MD, MASanta Rosa, CA 954041407924475
  2. Donald Apostle, MDSanta Rosa, CA 954041407802994
  3. Gary BravoSanta Rosa, CA 954041669536009
  4. Aleta Drummond, MDSanta Rosa, CA 954041114073129
  5. Elyse Dubin, MDSanta Rosa, CA 954041962430850
  6. Neil Ehrlich, M.D.Santa Rosa, CA 954041013078625
  7. Robert Gardner, M.D.Santa Rosa, CA 954041023179850
  8. Naomi Granvold, MDSanta Rosa, CA 954041356425326

Common questions

What is Melvin Lawrence Thrash, M.D.'s NPI number?

Melvin Lawrence Thrash, M.D.'s National Provider Identifier (NPI) is 1598795239, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Melvin Lawrence Thrash, M.D. located?

The NPPES record lists a practice address at 3315 Chanate RD, Santa Rosa, CA, 95404. Phone: (707) 570-3800. Providers update this record themselves, so call before visiting.

How can I verify Melvin Lawrence Thrash, M.D.'s license?

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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.