NPPES file of Aug 9, 2026

Howard Matthew Eisenstark, MD

Psychiatry Physician · Napa, CA

Howard Matthew Eisenstark, MD is a psychiatry physician with a practice address in Napa, California, and NPI 1073565859, issued on May 17, 2006. Check the license (California G38085, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073565859
Name
Howard Matthew Eisenstark
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
G38085 CA
Self-reported in NPPES; status is on the state search
Practice location
2100 Napa Vallejo Highway, Napa, CA 94558
Phone
(707) 253-5000
Enumerated
May 17, 2006
Record last updated
Jul 13, 2026
Fax
(707) 253-5513
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 2100 Napa Vallejo Highway

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

  1. Scott Anderson, MDInternal Medicine Physician1619929494
  2. Teresa Barnes, PSYDClinical Psychologist1659311520
  3. Uma BediObstetrics & Gynecology Physician1659317618
  4. Robbin Broadman, MDForensic Psychiatry Physician1952353310
  5. Kent Butzina, PHDClinical Psychologist1841242260
  6. Mu Chou, MDInternal Medicine Physician1699727487

Verify Howard Matthew Eisenstark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G38085
    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

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97 psychiatry physician records list a practice address in Napa

They are 97 of the 3,583 NPPES records with a practice address in Napa, and 8,673 psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other psychiatry physician records in California

  1. Nancy Aaen, MDNapa, CA1609816669
  2. Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
  3. Mekabiz Abaian, MDSan Bernardino, CA1891090163
  4. Brenda Abarca, MDTorrance, CA1407485527
  5. Pilar Abascal, M.D.Los Angeles, CA1730528191
  6. Michele Abbasi, M.D.Westlake Village, CA1093940330
  7. Zohaib AbbasiMartinez, CA1013392224
  8. Sandy Abdelkedous, MDFresno, CA1306093109
  9. Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
  10. Ezzat Abdelmalek, M.DDana Point, CA1992828826

Common questions

What is Howard Matthew Eisenstark, MD's NPI number?

Howard Matthew Eisenstark, MD's National Provider Identifier (NPI) is 1073565859, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Howard Matthew Eisenstark, MD located?

The NPPES record lists a practice address at 2100 Napa Vallejo Highway, Napa, CA, 94558. Phone: (707) 253-5000. Providers update this record themselves, so call before visiting.

How can I verify Howard Matthew Eisenstark, MD's license?

NPPES lists California license number G38085, 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. 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.