NPPES file of Aug 9, 2026

Patrick Thanh Ngo, LCSW

Mental Health Counselor · Palo Alto, CA

Patrick Thanh Ngo, LCSW is a mental health counselor with a practice address in Palo Alto, California, and NPI 1588099378, issued on Sep 11, 2013. 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
1588099378
Name
Patrick Thanh Ngo
Credential
LCSW
Primary taxonomy
Mental Health Counselor 101YM0800X
Practice location
999 Commercial St Ste 102, Palo Alto, CA 94303
Phone
(650) 271-9938
Enumerated
Sep 11, 2013
Record last updated
Mar 11, 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 999 Commercial St Ste 102

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

  1. Yat Ling Lam, LMFTMarriage & Family Therapist1669701256
  2. Sheila Marie Rivera-Cardinelli, LCSWClinical Social Worker1770891764

Verify Patrick Thanh Ngo 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Patrick Thanh Ngo among 28,617 mental health counselor records in California

Patrick Thanh Ngo, LCSW is one of 28,617 mental health counselor records with a practice address in California. 1% 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 2013, is newer than 41% of them.

  • NPI issued2013 · 41% of these records are older, 54% newer
  • In a Medicare fileNo · 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2022 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

77 mental health counselor records list a practice address in Palo Alto

They are 77 of the 7,617 NPPES records with a practice address in Palo Alto, and 28,617 mental health counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 mental health counselor records with the nearest ZIP codes

  1. Jessica Arneson, LPCCPalo Alto, CA 943031659786234
  2. Brianne CrabbeEast Palo Alto, CA 943031902187552
  3. Jacquelin Freeman, APCCEast Palo Alto, CA 943031043060866
  4. Melissa Guariglia, PSYDEast Palo Alto, CA 943031982872107
  5. Sara Kopit-OlsonPalo Alto, CA 943031952596587
  6. Gauri KulkarniPalo Alto, CA 943031134789365
  7. Stephanie Mesdjian, M.F.T.1East Palo Alto, CA 943031124338348
  8. David Perlstein, M.S.Palo Alto, CA 943031649345059

Common questions

What is Patrick Thanh Ngo, LCSW's NPI number?

Patrick Thanh Ngo, LCSW's National Provider Identifier (NPI) is 1588099378, issued on Sep 11, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Patrick Thanh Ngo, LCSW located?

The NPPES record lists a practice address at 999 Commercial St Ste 102, Palo Alto, CA, 94303. Phone: (650) 271-9938. Providers update this record themselves, so call before visiting.

How can I verify Patrick Thanh Ngo, LCSW'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.

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.