NPPES file of Aug 9, 2026

Carey W. Mahoney, N.P.

Family Nurse Practitioner · Northridge, CA

Carey W. Mahoney, N.P. is a family nurse practitioner with a practice address in Northridge, California, and NPI 1790082139, issued on Feb 22, 2011. Check the license (California 19797, 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
1790082139
Name
Carey W. Mahoney
Credential
N.P.
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
19797 CA
Self-reported in NPPES; status is on the state search
Practice location
18460 Roscoe Blvd, Northridge, CA 91325
Phone
(818) 734-3600
Enumerated
Feb 22, 2011
Record last updated
Aug 28, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20131113002132); 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 18460 Roscoe Blvd

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

  1. Katherine Adler, MDStudent in an Organized Health Care Education/Training Program1215639422
  2. Ashley AndersonFamily Medicine Physician1992383087
  3. Lawrence CaiStudent in an Organized Health Care Education/Training Program1477347508
  4. Fausto Cordero, MDFamily Medicine Physician1124052477
  5. Gerard De GuiaStudent in an Organized Health Care Education/Training Program1306595921
  6. Mary Dickens, N.P.Women's Health Nurse Practitioner1821085374

Verify Carey W. Mahoney 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 19797
    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

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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20% fewer Medicare Part D claims than the average family nurse practitioner in 2024

1,045 Medicare Part D claims for 396 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 33 claims were for opioids.

  1. Carey Mahoney1,045
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium58 claims
  2. Amlodipine Besylate31 claims
  3. Albuterol Sulfate Hfa30 claims
  4. Azithromycin28 claims
  5. Losartan Potassium28 claims
  6. Rosuvastatin Calcium25 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. Providence Facey Medical FoundationMission Hills, CA

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

Carey W. Mahoney among 16,966 family nurse practitioner records in California

Carey W. Mahoney, N.P. is one of 16,966 family nurse practitioner 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 2011, is newer than 19% of them.

  • NPI issued2011 · 19% of these records are older, 79% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2010 · median 2019 among the 6,793 with a school on file
  • Record last updated2015 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

67 family nurse practitioner records list a practice address in Northridge

They are 67 of the 2,598 NPPES records with a practice address in Northridge, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Carla Mae Cuisia-Zimmer, MSN FNPNorthridge, CA 913251144572025
  2. Gregorio De Grano, NPNorthridge, CA 913251417392176
  3. Katherine Guardado, FNPNorthridge, CA 913251821516535
  4. Victoria Isaacson, NPNorthridge, CA 913251104361484
  5. Maria Keklikian, FNP-CNorthridge, CA 913251174076483
  6. Riffat KhanNorthridge, CA 913251043704190
  7. Joanna Lebans, NPNorthridge, CA 913251871852111
  8. Kaixuan LuoNorthridge, CA 913251396288239

Common questions

What is Carey W. Mahoney, N.P.'s NPI number?

Carey W. Mahoney, N.P.'s National Provider Identifier (NPI) is 1790082139, issued on Feb 22, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Carey W. Mahoney, N.P. located?

The NPPES record lists a practice address at 18460 Roscoe Blvd, Northridge, CA, 91325. Phone: (818) 734-3600. Providers update this record themselves, so call before visiting.

How can I verify Carey W. Mahoney, N.P.'s license?

NPPES lists California license number 19797, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Carey W. Mahoney, N.P. prescribe under Medicare Part D?

In 2024, Carey W. Mahoney, N.P. had 1,045 Medicare Part D claims for 396 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.