NPPES file of Aug 9, 2026

Kristine Nguyen, PA-C

Medical Physician Assistant · Irvine, CA

Kristine Nguyen, PA-C is a medical physician assistant with a practice address in Irvine, California, and NPI 1902461189, issued on May 3, 2019. Check the license (California 56974, 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
1902461189
Name
Kristine Nguyen
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
56974 CA
Self-reported in NPPES; status is on the state search
Practice location
56 Linhaven, Irvine, CA 92602
Phone
(714) 360-3192
Enumerated
May 3, 2019
Record last updated
Dec 9, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20201204001992); accepts Medicare assignment
Medical or professional school
Touro Un College Of Osteopathic Medicine, Vallejo, 2019
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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Verify Kristine Nguyen 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 56974
    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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47% fewer Medicare Part D claims than the average medical physician assistant in 2024

610 Medicare Part D claims for 156 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Kristine Nguyen610
  2. Specialty average1,148

Most prescribed

  1. Triamcinolone Acetonide93 claims
  2. Fluocinonide81 claims
  3. Doxycycline Hyclate69 claims
  4. Ketoconazole68 claims
  5. Clobetasol Propionate54 claims
  6. Dupixent Pen31 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: $7,565.64

352 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. 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.

  1. Kristine Nguyen$7,565.64
  2. Specialty average$1,055.00

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. Csi Medical GroupSaratoga, CA

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

Kristine Nguyen among 3,376 medical physician assistant records in California

Kristine Nguyen, PA-C 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 2019, is newer than 74% of them.

  • NPI issued2019 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2019 · median 2012 among the 1,347 with a school on file
  • Record last updated2020 · 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.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Maximillian Von SchlegellIrvine, CA 926021386527935
  2. Chad Serrao, PAIrvine, CA 926031427199751
  3. Sanaz Taghizadeh, PAIrvine, CA 926031720860075
  4. Alison Gracom, PAIrvine, CA 926041245496843
  5. Karli Koval, PA-CIrvine, CA 926041598356909
  6. Stacy Vencill, PA-CIrvine, CA 926041629110655
  7. Ryan Ellis, PAWildomar, CA 925951528336146
  8. Jessica Meredith, PA-CWildomar, CA 925951730445891

Common questions

What is Kristine Nguyen, PA-C's NPI number?

Kristine Nguyen, PA-C's National Provider Identifier (NPI) is 1902461189, issued on May 3, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Kristine Nguyen, PA-C located?

The NPPES record lists a practice address at 56 Linhaven, Irvine, CA, 92602. Phone: (714) 360-3192. Providers update this record themselves, so call before visiting.

How can I verify Kristine Nguyen, PA-C's license?

NPPES lists California license number 56974, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Kristine Nguyen, PA-C prescribe under Medicare Part D?

In 2024, Kristine Nguyen, PA-C had 610 Medicare Part D claims for 156 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.