NPPES file of Aug 9, 2026

Jason Niksch

Psychiatry Physician · San Mateo, CA

Jason Niksch is a psychiatry physician with a practice address in San Mateo, California, and NPI 1609921667, issued on Jan 23, 2007. Check the license (California A74019, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609921667
Name
Jason Niksch
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
A74019 CA
Self-reported in NPPES; status is on the state search
Practice location
1950 Alameda DE Las Pulgas, San Mateo, CA 94403
Phone
(650) 573-3571
Enumerated
Jan 23, 2007
Record last updated
Jan 15, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00A740190 CA
Medicare enrollment
Enrolled (PECOS I20081230000162); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 1999
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1950 Alameda DE Las Pulgas

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

  1. Nikki Adams, CAADEAddiction (Substance Use Disorder) Counselor1760617252
  2. Kathleen Akiyama, M.D.Psychiatry Physician1194886879
  3. Eliseo Amezcua, MAAddiction (Substance Use Disorder) Counselor1033345244
  4. Suzanne AubryMental Health Counselor1063738698
  5. Lauren Auster, MDPsychiatry Physician1942888359
  6. Doriana Bailey, M.D.Psychiatry Physician1477783900

Verify Jason Niksch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A74019
    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

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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28% fewer Medicare Part D claims than the average psychiatry physician in 2024

722 Medicare Part D claims for 35 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.

  1. Jason Niksch722
  2. Specialty average1,000

Most prescribed

  1. Sertraline Hcl75 claims
  2. Trazodone Hcl61 claims
  3. Escitalopram Oxalate47 claims
  4. Clonazepam44 claims
  5. Gabapentin41 claims
  6. Lorazepam41 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. County OF San MateoSan Mateo, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jason Niksch among 8,673 psychiatry physician records in California

Jason Niksch 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. Its NPI, issued in 2007, is newer than 33% of them.

  • NPI issued2007 · 33% of these records are older, 48% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated1999 · median 2005 among the 3,295 with a school on file
  • Record last updated2021 · 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).

89 psychiatry physician records list a practice address in San Mateo

They are 89 of the 3,909 NPPES records with a practice address in San Mateo, and 8,673 psychiatry physician records in California.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Kathleen Akiyama, M.D.San Mateo, CA 944031194886879
  2. Nasrin Bashiri, MDSan Mateo, CA 944031700974920
  3. Hung-Ming Chu, M.D.San Mateo, CA 944031790834174
  4. Vikas Duvvuri, M.D., PH.D.San Mateo, CA 944031255470480
  5. D. Feeley, M.D.San Mateo, CA 944031548351158
  6. Mina Fisher, M.D.San Mateo, CA 944031124037874
  7. Nandini Ganpule, MDSan Mateo, CA 944031326110156
  8. Lynne Haynes-Tucker, MDSan Mateo, CA 944031689737157

Common questions

What is Jason Niksch's NPI number?

Jason Niksch's National Provider Identifier (NPI) is 1609921667, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jason Niksch located?

The NPPES record lists a practice address at 1950 Alameda DE Las Pulgas, San Mateo, CA, 94403. Phone: (650) 573-3571. Providers update this record themselves, so call before visiting.

How can I verify Jason Niksch's license?

NPPES lists California license number A74019, 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.

How much does Jason Niksch prescribe under Medicare Part D?

In 2024, Jason Niksch had 722 Medicare Part D claims for 35 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.