NPPES file of Aug 9, 2026

Mary Katherine Maddock

Psychiatric/Mental Health Nurse Practitioner · Culver City, CA

Mary Katherine Maddock is a psychiatric/mental health nurse practitioner with a practice address in Culver City, California, and NPI 1457790594, issued on Jun 21, 2013. Check the license (California 23327, as entered in NPPES) 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
1457790594
Name
Mary Katherine Maddock
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
23327 CA
Self-reported in NPPES; status is on the state search
Practice location
9808 Venice Blvd, Culver City, CA 90232
Phone
(310) 945-3350
Enumerated
Jun 21, 2013
Record last updated
Nov 26, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(310) 945-3356
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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8 nearest psychiatric/mental health nurse practitioner records → All 4,226 in California → Look up another NPI →

Also registered at 9808 Venice Blvd

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

  1. Abdulrazak AbdulkaderRehabilitation Practitioner1306513593
  2. Theodore AbneySocial Worker1124810585
  3. Hansa Adams-PrasadMarriage & Family Therapist1730520495
  4. Terrie AddisonCommunity Health Worker1003936329
  5. Jayron AfsharRehabilitation Practitioner1982987392
  6. Jane Agu, FNPPsychiatric/Mental Health Nurse Practitioner1013375211

Verify Mary Katherine Maddock 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 23327    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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Mary Katherine Maddock among 4,226 psychiatric/mental health nurse practitioner records in California

Mary Katherine Maddock 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 not. Its NPI, issued in 2013, is newer than 15% of them.

  • NPI issued2013 · 15% of these records are older, 82% newer
  • In a Medicare fileNo · 62% of these records are
  • In the CMS Doctors and Clinicians fileNo · 46% of these records are
  • Record last updated2021 · 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).

54 psychiatric/mental health nurse practitioner records list a practice address in Culver City

They are 54 of the 3,907 NPPES records with a practice address in Culver City, and 4,226 psychiatric/mental health nurse practitioner records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4,226 in California → Every provider in Culver City → Psychiatric/Mental Health Nurse Practitioner nationwide →

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

  1. Elizabeth AnyanwuCulver City, CA 902321740526730
  2. Joseph Derije, NPCulver City, CA 902321003107616
  3. Patricia Garrity, NPCulver City, CA 902321699953471
  4. Katherine GeelanCulver City, CA 902321861706111
  5. Imelda Okoli, N.P.Culver City, CA 902321275967341
  6. Victoria OmusonCulver City, CA 902321184920050
  7. Ayaka Robbins, PMHNP-BCCulver City, CA 902321245468933
  8. Mary UdengwuCulver City, CA 902321770816373

Common questions

What is Mary Katherine Maddock's NPI number?

Mary Katherine Maddock's National Provider Identifier (NPI) is 1457790594, issued on Jun 21, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Mary Katherine Maddock located?

The NPPES record lists a practice address at 9808 Venice Blvd, Culver City, CA, 90232. Phone: (310) 945-3350. Providers update this record themselves, so call before visiting.

How can I verify Mary Katherine Maddock's license?

NPPES lists California license number 23327, as entered by the provider. 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.