Doctor profile · Federal record

Dr. Darlene Topacio, P.A.

Medical Physician Assistant (CMS: Physician Assistant) · Santa Ana, CA

  • NPI 1528129095
  • Accepts Medicare
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1401 W 1St St Ste 101
Santa Ana, CA 927033757
(714) 542-9700
Additional location
18200 Yorba Linda Blvd, 401
Yorba Linda, CA 928864056
(949) 986-3300
Additional location
7000 Boulder Ave
Highland, CA 923463348
(909) 862-1191
Mailing address
1955 S Hartford Pl
San Bernardino, CA 924084307

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
November 15, 2024
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
California #PA 17639

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528129095. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Hologic Sales and Service, LLC 1 $19.58

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
47
Patients
36
Total drug cost
$804
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 12 12 $382
Azithromycin Generic 12 12 $62
Cefuroxime (Cefuroxime Axetil) Brand 12 12 $240
Fluticasone Propionate Generic 11 0 $120

Frequently asked questions

Auto-generated from federal data
What is Dr. Darlene Topacio's medical specialty?
Dr. Darlene Topacio practices Medical Physician Assistant in Santa Ana, CA.
Where does Dr. Darlene Topacio practice?
Dr. Darlene Topacio practices at 1401 W 1St St Ste 101, Santa Ana, CA 927033757. Office phone: 7145429700.
What is Dr. Darlene Topacio's NPI?
Dr. Darlene Topacio's National Provider Identifier (NPI) is 1528129095, issued by NPPES.
Does Dr. Darlene Topacio accept Medicare assignment?
Yes. Dr. Darlene Topacio accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.