NPPES file of Aug 9, 2026

Marie Gabrielle Quinsay, FNP-C

Family Nurse Practitioner · Tustin, CA

Marie Gabrielle Quinsay, FNP-C is a family nurse practitioner with a practice address in Tustin, California, and NPI 1457034209, issued on Aug 9, 2023. Check the license (California 95026168, 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
1457034209
Name
Marie Gabrielle Quinsay
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
95026168 CA
Self-reported in NPPES; status is on the state search
Practice location
13522 Newport Ave, Tustin, CA 92780
Phone
(714) 987-1121
Enumerated
Aug 9, 2023
Record last updated
Jul 9, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 13522 Newport Ave

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

  1. Carol Jung, PA-CMedical Physician Assistant1306555941
  2. Jimmy-Hieu Le, NPNurse Practitioner1407501398
  3. Aditaim Lopez Martinez, N.P.Nurse Practitioner1629421102
  4. Angela Park, NPFamily Nurse Practitioner1386323574
  5. Jonathon TengPhysical Medicine & Rehabilitation Physician1437770336

Verify Marie Gabrielle Quinsay 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 95026168
    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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73% fewer Medicare Part D claims than the average family nurse practitioner in 2024

353 Medicare Part D claims for 74 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 264 claims were for opioids.

  1. Marie Gabrielle Quinsay353
  2. Specialty average1,305

Most prescribed

  1. Hydrocodone-Acetaminophen139 claims
  2. Oxycodone Hcl35 claims
  3. Pregabalin28 claims
  4. Tramadol Hcl20 claims
  5. Morphine Sulfate Er19 claims
  6. Oxycodone-Acetaminophen16 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.

Marie Gabrielle Quinsay among 16,966 family nurse practitioner records in California

Marie Gabrielle Quinsay, FNP-C is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 75% of them.

  • NPI issued2023 · 75% of these records are older, 17% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

56 family nurse practitioner records list a practice address in Tustin

They are 56 of the 2,221 NPPES records with a practice address in Tustin, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Cynthia Cohen, RN,FNP-CTustin, CA 927801902891252
  2. Sol Estrella, FNP-BCTustin, CA 927801265976021
  3. Amanda Imai, NPTustin, CA 927801508195231
  4. Bernice Jacob, FNPTustin, CA 927801215472949
  5. Sharron Krueger, RNPTustin, CA 927801851684237
  6. Holly Leo, NPTustin, CA 927801467663666
  7. Julie Lopes, RN, NPTustin, CA 927801821358979
  8. Rema Nair, NPTustin, CA 927801881081966

Common questions

What is Marie Gabrielle Quinsay, FNP-C's NPI number?

Marie Gabrielle Quinsay, FNP-C's National Provider Identifier (NPI) is 1457034209, issued on Aug 9, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Marie Gabrielle Quinsay, FNP-C located?

The NPPES record lists a practice address at 13522 Newport Ave, Tustin, CA, 92780. Phone: (714) 987-1121. Providers update this record themselves, so call before visiting.

How can I verify Marie Gabrielle Quinsay, FNP-C's license?

NPPES lists California license number 95026168, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Marie Gabrielle Quinsay, FNP-C prescribe under Medicare Part D?

In 2024, Marie Gabrielle Quinsay, FNP-C had 353 Medicare Part D claims for 74 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.