OLENA NIKONOVNA HAYS (PA) – Physician Assistant, NPI 1487831491
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,570 PHYSICIAN ASSISTANT in CA
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Provider Addresses for OLENA NIKONOVNA HAYS (PA)
625 FAIR OAKS AVE STE 270
SOUTH PASADENA, CA 910305801
Phone: (626) 346-2455
Fax: (626) 639-3005
Type: Mailing
4418 STOCKBRIDGE AVE
SACRAMENTO, CA 958423347
Phone: (916) 202-1094
Type: Mailing
7777, Sunrise Boulevard, Citrus Heights, Sacramento County, California, 95610, United States
SUITE 2500
CITRUS HEIGHTS, CA 956102300
Phone: (916) 722-2227
Fax: (877) 860-5422
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $399.
Total Amount is formed as General ($399) + Research ($0) + Ownership ($0) = $399.
Last reported payment date: 2024-11-14 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($155).
Total Amount
$399
General + Research + Ownership
Payments
7
Total payment records
General Amount
$399
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $155 |
| GENZYME CORPORATION | $107 |
| ABBVIE INC. | $72 |
| Hologic Sales and Service, LLC | $50 |
| Merck Sharp & Dohme LLC | $16 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2008-04-24
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080424000705 | I | Physician Assistant | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 600 | 342 | $0 |
| 93922 | Ultrasound study of arm and leg arteries | 101 | 101 | $0 |
| 95921 | Testing of autonomic nervous system function and heart rate response to deep breathing | 101 | 101 | $0 |
| 95923 | Testing of autonomic (sympathetic) nervous system function | 101 | 101 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 62 | 52 | $0 |
Insurance plans in this area (ZIP 91030)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Gastroenterology, Internal Medicine | CA | |
| P S Y C H I A T R Y | CA | |
| Family Practice, Emergency Medicine | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Clinical Social Worker | CA | |
| Nurse Practitioner | CA | |
| Family Practice | CA | |
| E N D O C R I N O L O G Y | CA | |
| Internal Medicine, Pediatric Medicine | CA | |
| Physician Assistant | CA |
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