NPPES file of Aug 9, 2026

Patricia Tu Gandasetiawan, PA-C

Physician Assistant · Brea, CA

Patricia Tu Gandasetiawan, PA-C is a physician assistant with a practice address in Brea, California, and NPI 1609361252, issued on Jun 26, 2018. Check the license (California 55684, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609361252
Name
Patricia Tu Gandasetiawan
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
55684 CA
Self-reported in NPPES; status is on the state search
Practice location
955 W Imperial Hwy Ste 110, Brea, CA 92821
Phone
(714) 449-6900
Enumerated
Jun 26, 2018
Record last updated
Oct 7, 2022
Medicare enrollment
Enrolled (PECOS I20200114003406); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 955 W Imperial Hwy Ste 110

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mariam Ali, DOFamily Medicine Physician1689243321
  2. Fouzia Asif, MDFamily Medicine Physician1518194612
  3. Susan Cocke, MDAllergy Physician1861540775
  4. Alexandra Duke, D.OFamily Medicine Physician1760479992
  5. Anne Ford, MDFamily Medicine Physician1518967140
  6. Mark Giglio, MDFamily Medicine Physician1134129182

Verify Patricia Tu Gandasetiawan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 55684
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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75% fewer Medicare Part D claims than the average physician assistant in 2024

210 Medicare Part D claims for 136 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Patricia Gandasetiawan210
  2. Specialty average830

Most prescribed

  1. Azithromycin27 claims
  2. Amoxicillin-Clavulanate Potass15 claims
  3. Fluticasone Propionate14 claims
  4. Omeprazole13 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: $50.86

2 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Patricia Gandasetiawan$50.86
  2. Specialty average$841.65

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

  1. Providence Medical FoundationFullerton, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Patricia Tu Gandasetiawan among 14,451 physician assistant records in California

Patricia Tu Gandasetiawan, PA-C 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 2018, is newer than 52% of them.

  • NPI issued2018 · 52% of these records are older, 44% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2018 · median 2018 among the 7,214 with a school on file
  • Record last updated2022 · 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).

13 physician assistant records list a practice address in Brea

They are 13 of the 1,052 NPPES records with a practice address in Brea, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Samantha CaoBrea, CA 928211497468953
  2. Kate Nemecek, PA-CBrea, CA 928211326596602
  3. Cynthia Nguyen, PA-CBrea, CA 928211922775121
  4. Andrew Perry, PA-CBrea, CA 928211184265092
  5. Trang Phan, PA-CBrea, CA 928211891094611
  6. Kelby ReyesBrea, CA 928211104231489
  7. Robynn Robin-McConnell, PA-CBrea, CA 928211114333614
  8. Nicole Sandoval, PABrea, CA 928211689198723

Common questions

What is Patricia Tu Gandasetiawan, PA-C's NPI number?

Patricia Tu Gandasetiawan, PA-C's National Provider Identifier (NPI) is 1609361252, issued on Jun 26, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Patricia Tu Gandasetiawan, PA-C located?

The NPPES record lists a practice address at 955 W Imperial Hwy Ste 110, Brea, CA, 92821. Phone: (714) 449-6900. Providers update this record themselves, so call before visiting.

How can I verify Patricia Tu Gandasetiawan, PA-C's license?

NPPES lists California license number 55684, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Patricia Tu Gandasetiawan, PA-C prescribe under Medicare Part D?

In 2024, Patricia Tu Gandasetiawan, PA-C had 210 Medicare Part D claims for 136 beneficiaries; the average among physician assistant prescribers was 830. 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.