NPPES file of Aug 9, 2026

Jessica O'Brien

Mental Health Counselor · Oakland, CA

Jessica O'Brien is a mental health counselor with a practice address in Oakland, California, and NPI 1639582893, issued on Jun 5, 2014. Check the license 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639582893
Name
Jessica O'Brien
Primary taxonomy
Mental Health Counselor 101YM0800X
Practice location
3800 Coolidge Ave, Oakland, CA 94602
Phone
(570) 971-7186
Enumerated
Jun 5, 2014
Record last updated
Nov 17, 2022
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 3800 Coolidge Ave

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

  1. Kelsey Acevedo, LMFTCounselor1447444674
  2. Melissa AcevedoDay Training/Habilitation Specialist1477353399
  3. Shaina Adelstein, LMSW, ACSWClinical Social Worker1275200628
  4. Liana AfraStudent in an Organized Health Care Education/Training Program1871255265
  5. Mercedes Aguirre-SullivanClinical Social Worker1649675372
  6. Shenay AitchesonSocial Worker1588098297

Verify Jessica O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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

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1,069 mental health counselor records list a practice address in Oakland

They are 1,069 of the 18,558 NPPES records with a practice address in Oakland, and 28,617 mental health counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,069 in Oakland → All 28,617 in California → Every provider in Oakland →

Other mental health counselor records in California

  1. Rita A Wilborne, MHRSSan Jose, CA1649315763
  2. Katie AabSalinas, CA1205257284
  3. Kayla Aanerud, B.A.Rio Linda, CA1649622101
  4. La Shaun AaronCamarillo, CA1740469717
  5. Tamika AaronInglewood, CA1245550284
  6. Tamara AasenCamarillo, CA1912255035
  7. Hanna AbaataSan Leandro, CA1659913572
  8. Edname AbadLemon Grove, CA1356647812
  9. Taliana AbadiSan Diego, CA1568260271
  10. Jonathan Abadia, LPTManteca, CA1225625213

Common questions

What is Jessica O'Brien's NPI number?

Jessica O'Brien's National Provider Identifier (NPI) is 1639582893, issued on Jun 5, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Jessica O'Brien located?

The NPPES record lists a practice address at 3800 Coolidge Ave, Oakland, CA, 94602. Phone: (570) 971-7186. Providers update this record themselves, so call before visiting.

How can I verify Jessica O'Brien's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

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.