EUGENIA TONEVA-MERDJANOVA (PA-C) – Physician Assistant, NPI 1578656997
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 EUGENIA TONEVA-MERDJANOVA (PA-C)
11, Technology Drive, Irvine Spectrum, Irvine, Orange County, California, 92618, United States
IRVINE, CA 926182302
Phone: (949) 923-3250
Fax: (855) 812-5865
Type: Mailing
San Juan Capistrano, Verdugo Street, San Juan Capistrano, Orange County, California, 92675, United States
SAN JUAN CAPISTRANO, CA 926754518
Phone: (949) 489-9112
Fax: (949) 489-1231
Type: Location
PO BOX 35380
LAS VEGAS, NV 891335380
Phone:
Type: Mailing
30281 GOLDEN LANTERN
LAGUNA NIGUEL, CA 926775979
Phone: (949) 495-7144
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $88.
Total Amount is formed as General ($88) + Research ($0) + Ownership ($0) = $88.
Last reported payment date: 2024-04-29 • Largest payer in this snapshot: Exact Sciences Corporation ($88).
Total Amount
$88
General + Research + Ownership
Payments
3
Total payment records
General Amount
$88
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-29
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Exact Sciences Corporation | $88 |
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: 2010-05-27
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 |
|---|---|---|---|---|
| I20100527000436 | 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 | 76 | 47 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 69 | 43 | $0 |
Insurance plans in this area (ZIP 92618)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| - | CA | |
| Internal Medicine | NV | |
| Osteopathic Manipulative Medicine, Family Practice, General Practice | CA | |
| Family Practice | NV | |
| Family Practice | NV | |
| Internal Medicine | CO | |
| - | CA | |
| Internal Medicine | CA | |
| Physician Assistant | NV |
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