MS. DARLENE VALDERRAMA TOPACIO (P.A.) – Medical Physician Assistant, NPI 1528129095
Medical Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,570 PHYSICIAN ASSISTANT in CA
Provider Addresses for MS. DARLENE VALDERRAMA TOPACIO (P.A.)
18200 Yorba Linda Blvd
401
Yorba Linda, CA 928864056
Phone: (949) 986-3300
Type: Location
7000 Boulder Ave
Highland, CA 923463348
Phone: (909) 862-1191
Type: Location
1955 S HARTFORD PL
SAN BERNARDINO, CA 924084307
Phone: (949) 943-0470
Type: Mailing
Yorba Linda Boulevard, Esperanza, Yorba Linda, Orange County, California, 92887, United States
401
YORBA LINDA, CA 928864056
Phone: (949) 986-3300
Type: Location
313, Marketview, West Irvine, Myford, Lower Peters Canyon, Irvine, Orange County, California, 92602, United States
IRVINE, CA 926021691
Phone: (714) 986-3300
Type: Mailing
1401 W 1ST ST STE 101
SANTA ANA, CA 927033757
Phone: (714) 542-9700
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $20.
Total Amount is formed as General ($20) + Research ($0) + Ownership ($0) = $20.
Last reported payment date: 2024-01-18 • Largest payer in this snapshot: Hologic Sales and Service, LLC ($20).
Total Amount
$20
General + Research + Ownership
Payments
1
Total payment records
General Amount
$20
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-01-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Hologic Sales and Service, LLC | $20 |
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: 2024-09-19
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 |
|---|---|---|---|---|
| I20240919002597 | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 92886)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | CA | |
| Physician Assistant | CA | |
| Emergency Medicine | CA | |
| Physician Assistant | CA | |
| Emergency Medicine | CA | |
| Physician Assistant | CA | |
| Emergency Medicine | CA | |
| Nurse Practitioner | CA | |
| Family Practice | CA | |
| Physician Assistant | CA |
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