Registry data as of Aug 27, 2026

Martha Alamillo

Clinical Social Worker · Napa, CA

Martha Alamillo is a clinical social worker with a practice address in Napa, California, and NPI 1639200801, issued on Mar 8, 2007. Check the license (California 24465, as entered in NPPES) with the California board that licenses this profession; 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
1639200801
Name
Martha Alamillo
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
24465 CA
14471 CA
Self-reported in NPPES; status is on the state search
Practice location
2751 Napa Valley Corporate Dr Bldg A, Napa, CA 94558
Phone
(707) 259-8151
Enumerated
Mar 8, 2007
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 2751 Napa Valley Corporate Dr Bldg A

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

  1. Sashareen ArthurMental Health Counselor1891359659
  2. Jose AvilaMental Health Counselor1457011702
  3. Diane Buchanan, RNRegistered Nurse1194842609
  4. Elizabeth Cottingham, MDPsychiatry Physician1881773406
  5. Louis Doan, D.O.Psychiatry Physician1255674982
  6. Daniel DudleyRehabilitation Practitioner1336908151

Verify Martha Alamillo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 24465
    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
Find 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 →

138 clinical social worker records list a Napa practice address

They are 138 of the 3,583 NPPES records with a Napa practice address, and 30,426 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical social worker records in California

  1. Lynne Aalan, LCSWYountville, CA1417195710
  2. Ahmad Fahim AalemiSacramento, CA1033052410
  3. Rachel Aarons, MSW PHDSanta Barbara, CA1871687822
  4. Shari Aarons, LCSWTarzana, CA1467636845
  5. Mary Aarsheim, LCSWPenn Valley, CA1104192616
  6. Sandra Aase, LCSWRiverside, CA1699872325
  7. Maria Abaci, LCSWSan Rafael, CA1205161924
  8. Alejandro Abarca, LCSWSonora, CA1538184676
  9. Daisy Abarca, ACSWRoseville, CA1548124779
  10. Marlene Abarca, ACSWSanta Ana, CA1932592284

Common questions

What is Martha Alamillo's NPI number?

Martha Alamillo's National Provider Identifier (NPI) is 1639200801, issued on Mar 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Martha Alamillo located?

The NPPES record lists a practice address at 2751 Napa Valley Corporate Dr Bldg A, Napa, CA, 94558. Phone: (707) 259-8151. Providers update this record themselves, so call before visiting.

How can I verify Martha Alamillo's license?

NPPES lists California license number 24465, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

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.