Andrea S. Nacca, PA
Physician Assistant · Fountain Valley, CA
Andrea S. Nacca, PA is a physician assistant with a practice address in Fountain Valley, California, and NPI 1184935926, issued on Jun 26, 2010. Check the license (California PA21090, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Andrea S. Nacca
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA21090 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18111 Brookhurst St, Fountain Valley, CA 92708
- Phone
- (559) 624-6095
- Enumerated
- Jun 26, 2010
- Record last updated
- Mar 27, 2024
- Fax
- (559) 713-2295
- Medicare enrollment
- Enrolled (PECOS I20101026000197); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 18111 Brookhurst St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Benedict Ching, DPMFoot Surgery Podiatrist1326038274
- James Darne, RNFARegistered Nurse1235886649
- Lori Debold, M.D.Pediatrics Physician1831194323
Verify Andrea S. Nacca in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA21090Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average physician assistant in 2024
183 Medicare Part D claims for 137 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 36 claims were for opioids.
Most prescribed
- Cephalexin33 claims
- Hydrocodone-Acetaminophen33 claims
- Ibuprofen13 claims
- Methocarbamol11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Imperial Beach Community ClinicImperial Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrea S. Nacca among 14,451 physician assistant records in California
Andrea S. Nacca, PA is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 27% of them.
- NPI issued2010 · 27% of these records are older, 70% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2010 · median 2018 among the 7,214 with a school on file
- Record last updated2024 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
61 physician assistant records list a practice address in Fountain Valley
They are 61 of the 2,190 NPPES records with a practice address in Fountain Valley, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Fountain Valley → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Fidel Andrade, PAFountain Valley, CA 927081578547782
- Jody Carr, PA-CFountain Valley, CA 927081881882264
- Lisa Chan, PA-CFountain Valley, CA 927081831128446
- Mitzi D'Aquila, PA-CFountain Valley, CA 927081093919862
- Susan Font, PA-CFountain Valley, CA 927081689857229
- Shawna Jones, P.A.-CFountain Valley, CA 927081447451786
- Steven Lerner, PAFountain Valley, CA 927081891777462
- Vinh Ngo, PAFountain Valley, CA 927081386796118
Common questions
What is Andrea S. Nacca, PA's NPI number?
Andrea S. Nacca, PA's National Provider Identifier (NPI) is 1184935926, issued on Jun 26, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Andrea S. Nacca, PA located?
The NPPES record lists a practice address at 18111 Brookhurst St, Fountain Valley, CA, 92708. Phone: (559) 624-6095. Providers update this record themselves, so call before visiting.
How can I verify Andrea S. Nacca, PA's license?
NPPES lists California license number PA21090, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Andrea S. Nacca, PA prescribe under Medicare Part D?
In 2024, Andrea S. Nacca, PA had 183 Medicare Part D claims for 137 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Andrea S. Nacca, PA's MIPS final score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.