Darlene Valderrama Topacio, P.A.
Medical Physician Assistant · Santa Ana, CA
Darlene Valderrama Topacio, P.A. is a medical physician assistant with a practice address in Santa Ana, California, and NPI 1528129095, issued on Dec 12, 2006. Check the license (California PA 17639, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Darlene Valderrama Topacio
- Credential
- P.A.
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA 17639 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1401 W 1St St Ste 101, Santa Ana, CA 92703
- Phone
- (714) 542-9700
- Enumerated
- Dec 12, 2006
- Record last updated
- Nov 15, 2024
- Medicare enrollment
- Enrolled (PECOS I20240919002597); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 1401 W 1St St Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Richard Licon, PA-CPhysician Assistant1740428101
- Reina Moran, NPFamily Nurse Practitioner1518507698
- Angie Nguyen, NPNurse Practitioner1780189670
- Jaylene Nguyen, PA-CPhysician Assistant1720542665
Verify Darlene Valderrama Topacio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA 17639Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average medical physician assistant in 2024
293 Medicare Part D claims for 150 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin24 claims
- Albuterol Sulfate Hfa19 claims
- Cefuroxime17 claims
- Pantoprazole Sodium16 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: $19.58
1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Exer Medical CorporationCosta Mesa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Darlene Valderrama Topacio among 3,376 medical physician assistant records in California
Darlene Valderrama Topacio, P.A. is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 80% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2004 · median 2012 among the 1,347 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Santa Ana → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Lisa ChauSanta Ana, CA 927031487257366
- Nancy Garrettt, P.A.Santa Ana, CA 927031881732741
- Anna Kim, PA-CSanta Ana, CA 927031083098099
- Ryan OconnellSanta Ana, CA 927031134770811
- Julie Tran, PHYSICIAN ASSISTANTSanta Ana, CA 927031487785663
- Nora Bebawi, MSPA-CSanta Ana, CA 927041215051974
- Rhian Deguzman, PA-CSanta Ana, CA 927041417263658
- Triet Nguyen, PA-CSanta Ana, CA 927041619167558
Common questions
What is Darlene Valderrama Topacio, P.A.'s NPI number?
Darlene Valderrama Topacio, P.A.'s National Provider Identifier (NPI) is 1528129095, issued on Dec 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Darlene Valderrama Topacio, P.A. located?
The NPPES record lists a practice address at 1401 W 1St St Ste 101, Santa Ana, CA, 92703. Phone: (714) 542-9700. Providers update this record themselves, so call before visiting.
How can I verify Darlene Valderrama Topacio, P.A.'s license?
NPPES lists California license number PA 17639, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Darlene Valderrama Topacio, P.A. prescribe under Medicare Part D?
In 2024, Darlene Valderrama Topacio, P.A. had 293 Medicare Part D claims for 150 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.