NPPES file of Aug 9, 2026

Taahira Siddiqui, PA-C

Physician Assistant · Irvine, CA

Taahira Siddiqui, PA-C is a physician assistant with a practice address in Irvine, California, and NPI 1477398410, issued on Jul 1, 2024. Check the license (California PA66533, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477398410
Name
Taahira Siddiqui
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA66533 CA
Self-reported in NPPES; status is on the state search
Practice location
113 Waterworks Way Ste 155, Irvine, CA 92618
Phone
(949) 612-9090
Enumerated
Jul 1, 2024
Record last updated
Jul 18, 2025
Medicare enrollment
Enrolled (PECOS I20250801000946); 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 113 Waterworks Way Ste 155

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

  1. Heba Ashraf, MDGastroenterology Physician1720492267
  2. Shahrooz BemanianGastroenterology Physician1629123070
  3. David Choi, D.O.Gastroenterology Physician1922490044
  4. Keyvan Farhad, NDNaturopath1225775612
  5. Grace Liu, NPFamily Nurse Practitioner1740994797
  6. Khatere Naderi-Ashour, AGNPNurse Practitioner1295446078

Verify Taahira Siddiqui 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 PA66533
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Digestive Disease Consultants OF Orange County IncIrvine, CA

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

Taahira Siddiqui among 14,451 physician assistant records in California

Taahira Siddiqui, 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 2024, is newer than 87% of them.

  • NPI issued2024 · 87% of these records are older, 7% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2025 · median 2018 among the 7,214 with a school on file
  • Record last updated2025 · 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).

120 physician assistant records list a practice address in Irvine

They are 120 of the 7,778 NPPES records with a practice address in Irvine, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Mary Alessi, PA-CIrvine, CA 926181962711838
  2. Colleen Galvin, PA NMD DACM PHDIrvine, CA 926181184821464
  3. Joseph Gilboy, PA-CIrvine, CA 926181851374466
  4. Megan Huey, PA-CIrvine, CA 926181265714521
  5. Christine Kerr, PA-CIrvine, CA 926181356694582
  6. Elaine La, PHYSICIAN ASSISTANTIrvine, CA 926181396055240
  7. Jenivi Lau, PA-CIrvine, CA 926181578897591
  8. Brandi Morinoue, PA-CIrvine, CA 926181184652778

Common questions

What is Taahira Siddiqui, PA-C's NPI number?

Taahira Siddiqui, PA-C's National Provider Identifier (NPI) is 1477398410, issued on Jul 1, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Taahira Siddiqui, PA-C located?

The NPPES record lists a practice address at 113 Waterworks Way Ste 155, Irvine, CA, 92618. Phone: (949) 612-9090. Providers update this record themselves, so call before visiting.

How can I verify Taahira Siddiqui, PA-C's license?

NPPES lists California license number PA66533, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.