NPPES file of Aug 9, 2026

Klaudia Monika Mayer, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner · San Diego, CA

Klaudia Monika Mayer, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in San Diego, California, and NPI 1265874473, issued on Jul 29, 2013. Check the license (California 95008201, as entered in NPPES) with the California board that licenses this profession; 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
1265874473
Name
Klaudia Monika Mayer
Credential
PMHNP-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
95008201 CA
95147531 CA
APN.0991534-NP CO
Self-reported in NPPES; status is on the state search
Practice location
1350 Columbia St Unit 800, San Diego, CA 92101
Phone
(760) 429-7455
Enumerated
Jul 29, 2013
Record last updated
Jan 24, 2026
Fax
(844) 444-1108
Medicare enrollment
Enrolled (PECOS I20150217000946); accepts Medicare assignment
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 1350 Columbia St Unit 800

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

  1. Shannon Boyce, PA-CPhysician Assistant1609590660
  2. Randolf Dipp, D.O.Psychiatry Physician1134109291
  3. Zohreh Kermani, PSY.DClinical Psychologist1538574645
  4. Robert Lavigne, P.A.Medical Physician Assistant1093003485
  5. Autumn Lewis, PSYDClinical Psychologist1689566531
  6. Timothy Rayner, M.D.Psychiatry Physician1548333958

Verify Klaudia Monika Mayer 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 95008201
    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

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10% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

817 Medicare Part D claims for 41 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Klaudia Mayer817
  2. Specialty average906

Most prescribed

  1. Fluoxetine Hcl58 claims
  2. Olanzapine53 claims
  3. Trazodone Hcl48 claims
  4. Quetiapine Fumarate39 claims
  5. Haloperidol37 claims
  6. Sertraline Hcl36 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. Summitstone Health PartnersFort Collins, CO

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

Klaudia Monika Mayer among 4,226 psychiatric/mental health nurse practitioner records in California

Klaudia Monika Mayer, PMHNP-BC is one of 4,226 psychiatric/mental health nurse practitioner records with a practice address in California. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 15% of them.

  • NPI issued2013 · 15% of these records are older, 82% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2014 · median 2021 among the 1,965 with a school on file
  • Record last updated2026 · 16% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in California

There are 4,226 psychiatric/mental health nurse practitioner records in California.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Nicole Bellisario, DNP, PMHNP-BC, CNLSan Diego, CA 921011982172003
  2. Noel Brassett, NPSan Diego, CA 921011457997553
  3. Michael Fitzgerald, PMHNPSan Diego, CA 921011144606963
  4. Stephan France, PMHNP-BCSan Diego, CA 921011710052139
  5. Mary Houston, RNSan Diego, CA 921011912201351
  6. Andrew Kaminsky, NPSan Diego, CA 921011447816491
  7. Adijat LigaliSan Diego, CA 921011124782115
  8. Darlene McMiddleton, NPSan Diego, CA 921011144267642

Common questions

What is Klaudia Monika Mayer, PMHNP-BC's NPI number?

Klaudia Monika Mayer, PMHNP-BC's National Provider Identifier (NPI) is 1265874473, issued on Jul 29, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Klaudia Monika Mayer, PMHNP-BC located?

The NPPES record lists a practice address at 1350 Columbia St Unit 800, San Diego, CA, 92101. Phone: (760) 429-7455. Providers update this record themselves, so call before visiting.

How can I verify Klaudia Monika Mayer, PMHNP-BC's license?

NPPES lists California license number 95008201, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Klaudia Monika Mayer, PMHNP-BC prescribe under Medicare Part D?

In 2024, Klaudia Monika Mayer, PMHNP-BC had 817 Medicare Part D claims for 41 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.