NPPES file of Aug 9, 2026

Steffan Matthew Weiner, MSN

Psychiatric/Mental Health Nurse Practitioner · Thousand Oaks, CA

Steffan Matthew Weiner, MSN is a psychiatric/mental health nurse practitioner with a practice address in Thousand Oaks, California, and NPI 1013331685, issued on Feb 18, 2014. Check the license (California 95000258, 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
1013331685
Name
Steffan Matthew Weiner
Credential
MSN
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
95000258 CA
Self-reported in NPPES; status is on the state search
Practice location
2594 Manchester CT, Thousand Oaks, CA 91362
Phone
(530) 219-6060
Enumerated
Feb 18, 2014
Record last updated
Sep 9, 2024
Medicare enrollment
Enrolled (PECOS I20140618000018); 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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Verify Steffan Matthew Weiner 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 95000258
    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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93% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

64 Medicare Part D claims for 19 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Steffan Weiner64
  2. Specialty average906

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.

Industry payments in 2024: $83.93

4 payments; by number, the most common kind was food and beverage; the largest payer was Axsome Therapeutics, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Steffan Weiner$83.93
  2. Specialty average$1,027.77

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Deborah S Moore Registered Nursing IncSanta Barbara, CA

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

Steffan Matthew Weiner among 4,226 psychiatric/mental health nurse practitioner records in California

Steffan Matthew Weiner, MSN 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 2014, is newer than 18% of them.

  • NPI issued2014 · 18% of these records are older, 80% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2013 · median 2021 among the 1,965 with a school on file
  • Record last updated2024 · 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. Sonia CenaWestlake Village, CA 913621841175759
  2. Ashley GriffinWestlake Village, CA 913621821834193
  3. Nicole Montgomery, NURSE PRACTITIONERWestlake Village, CA 913621699849760
  4. Julia Cruz Anguiano, PMHNP-BCWestlake Village, CA 913611942190749
  5. Joan Dawson, PSY.D.Westlake Village, CA 913611164555488
  6. Amanda Duwick, PMHNP-BC, MSNWestlake Village, CA 913611710344999
  7. Katheryn Faulconer, PMHNP-BCWestlake Village, CA 913611467305615
  8. Michael Polda, PMHNP-BCWestlake Village, CA 913611922785682

Common questions

What is Steffan Matthew Weiner, MSN's NPI number?

Steffan Matthew Weiner, MSN's National Provider Identifier (NPI) is 1013331685, issued on Feb 18, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Steffan Matthew Weiner, MSN located?

The NPPES record lists a practice address at 2594 Manchester CT, Thousand Oaks, CA, 91362. Phone: (530) 219-6060. Providers update this record themselves, so call before visiting.

How can I verify Steffan Matthew Weiner, MSN's license?

NPPES lists California license number 95000258, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Steffan Matthew Weiner, MSN prescribe under Medicare Part D?

In 2024, Steffan Matthew Weiner, MSN had 64 Medicare Part D claims for 19 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.