NPPES file of Aug 9, 2026

Olena Nikonovna Hays, PA

Physician Assistant · Citrus Heights, CA

Olena Nikonovna Hays, PA is a physician assistant with a practice address in Citrus Heights, California, and NPI 1487831491, issued on Jan 22, 2008. Check the license (California PA19547, 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
1487831491
Name
Olena Nikonovna Hays
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
PA19547 CA
Self-reported in NPPES; status is on the state search
Practice location
7777 Sunrise Blvd, Citrus Heights, CA 95610
Phone
(916) 722-2227
Enumerated
Jan 22, 2008
Record last updated
Dec 21, 2022
Fax
(877) 860-5422
Medicaid IDs
EFF CA
PA19547 CA
Medicare enrollment
Enrolled (PECOS I20080424000705); accepts Medicare assignment
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 7777 Sunrise Blvd

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

  1. Steven Blizzard, PAPhysician Assistant1497814115
  2. Genelle Guevarra-Shams, DDSGeneral Practice Dentistry1790358422
  3. Thomas Mahoney, M.D.Family Medicine Physician1184867814

Verify Olena Nikonovna Hays 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 PA19547
    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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9.1 times the Medicare Part D claims of the average physician assistant in 2024

7,530 Medicare Part D claims for 617 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 19 claims were for opioids.

  1. Olena Hays7,530
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium399 claims
  2. Amlodipine Besylate300 claims
  3. Metformin Hcl260 claims
  4. Lisinopril259 claims
  5. Rosuvastatin Calcium256 claims
  6. Gabapentin218 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.

Industry payments in 2024: $344.27

5 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Olena Hays$344.27
  2. Specialty average$841.65

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

Bills Medicare through 2 group practices

  1. Good Health Medical IncSacramento, CA
  2. Wellspace HealthCitrus Heights, CA

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

Olena Nikonovna Hays among 14,451 physician assistant records in California

Olena Nikonovna Hays, PA is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 22% of them.

  • NPI issued2008 · 22% of these records are older, 75% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1985 · median 2018 among the 7,214 with a school on file
  • Record last updated2022 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 physician assistant records list a practice address in Citrus Heights

They are 14 of the 1,479 NPPES records with a practice address in Citrus Heights, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Lucia Albu, PACitrus Heights, CA 956101407323322
  2. Steven Blizzard, PACitrus Heights, CA 956101497814115
  3. Shanna Marchesi, PACitrus Hts, CA 956101275703662
  4. Victoria McKinney-BrooksCitrus Heights, CA 956101154000537
  5. Monica Mendiola, PA-CCitrus Heights, CA 956101619598489
  6. Anna PetrikCitrus Heights, CA 956101417261165
  7. Iris Villanueva, DMSC, PA-CCitrus Heights, CA 956101750792149
  8. Da Xu, PA-CCitrus Heights, CA 956101366755381

Common questions

What is Olena Nikonovna Hays, PA's NPI number?

Olena Nikonovna Hays, PA's National Provider Identifier (NPI) is 1487831491, issued on Jan 22, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Olena Nikonovna Hays, PA located?

The NPPES record lists a practice address at 7777 Sunrise Blvd, Citrus Heights, CA, 95610. Phone: (916) 722-2227. Providers update this record themselves, so call before visiting.

How can I verify Olena Nikonovna Hays, PA's license?

NPPES lists California license number PA19547, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Olena Nikonovna Hays, PA prescribe under Medicare Part D?

In 2024, Olena Nikonovna Hays, PA had 7,530 Medicare Part D claims for 617 beneficiaries; the average among physician assistant prescribers was 830. 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.