NPPES file of Aug 9, 2026

Hayley Costas

Family Nurse Practitioner · Ventura, CA

Hayley Costas is a family nurse practitioner with a practice address in Ventura, California, and NPI 1700574258, issued on Apr 24, 2023. Check the license (California 95028423, 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
1700574258
Name
Hayley Costas
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
95028423 CA
Self-reported in NPPES; status is on the state search
Practice location
3137 Strathmore Dr, Ventura, CA 93003
Phone
(219) 508-2634
Enumerated
Apr 24, 2023
Record last updated
Feb 20, 2024
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 family nurse practitioner records → All 16,966 in California → Look up another NPI →

Verify Hayley Costas 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 95028423    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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83% fewer Medicare Part D claims than the average family nurse practitioner in 2024

222 Medicare Part D claims for 159 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Hayley Costas222
  2. Specialty average1,305

Most prescribed

  1. Fluticasone Propionate27 claims
  2. Prednisone25 claims
  3. Diclofenac Sodium18 claims
  4. Nitrofurantoin Mono-Macro15 claims
  5. Amoxicillin-Clavulanate Potass13 claims
  6. Cephalexin12 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.

Hayley Costas among 16,966 family nurse practitioner records in California

Hayley Costas 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 2023, is newer than 75% of them.

  • NPI issued2023 · 75% of these records are older, 17% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2024 · 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).

53 family nurse practitioner records list a practice address in Ventura

They are 53 of the 4,435 NPPES records with a practice address in Ventura, and 16,966 family nurse practitioner records in California.

All 16,966 in California → Every provider in Ventura → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Theresa Broms, N.P.Ventura, CA 930031265531354
  2. Lindy Chavez, NPVentura, CA 930031669682191
  3. Maria Delgadillo, FNPVentura, CA 930031710103445
  4. Carrie Glenn, NP-CVentura, CA 930031235459124
  5. Graciela Hernandez, N.P.Ventura, CA 930031952547564
  6. Barbara Holdsworth, FNPVentura, CA 930031477747186
  7. Teresa Hong, NPVentura, CA 930031013251396
  8. Sharon Johanns, MSN FNPVentura, CA 930031356545636

Common questions

What is Hayley Costas's NPI number?

Hayley Costas's National Provider Identifier (NPI) is 1700574258, issued on Apr 24, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Hayley Costas located?

The NPPES record lists a practice address at 3137 Strathmore Dr, Ventura, CA, 93003. Phone: (219) 508-2634. Providers update this record themselves, so call before visiting.

How can I verify Hayley Costas's license?

NPPES lists California license number 95028423, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Hayley Costas prescribe under Medicare Part D?

In 2024, Hayley Costas had 222 Medicare Part D claims for 159 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.

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.