Marie Gabrielle Quinsay, FNP-C
NPI 1457034209 · Family Nurse Practitioner · Tustin, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marie Gabrielle Quinsay, FNP-C is a Family Nurse Practitioner provider in Tustin, CA (NPI 1457034209).
Provider details
- NPI number
- 1457034209
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 95026168 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
2 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,056 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 2,607 | $67 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 755 | $68 |
| Residence Visit for Established Patient With Straightforward Medical Decision Making, Per Day, If Using Time, at Least 15 Minutes99347 | 370 | $40 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 165 | $119 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 106 | $138 |
| Residence Visit for New Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 139 | 37 |
| Oxycodone Hcl | 35 | — |
| Pregabalin | 28 | — |
| Tramadol Hcl | 20 | — |
| Morphine Sulfatebrand: Morphine Sulfate Er | 19 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 16 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-08-09
- Last updated
- 2025-07-09
- Certified
- 2025-07-09
Frequently asked questions
- What is Marie Gabrielle Quinsay's NPI number?
- Marie Gabrielle Quinsay's National Provider Identifier (NPI) is 1457034209, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marie Gabrielle Quinsay's specialty?
- Marie Gabrielle Quinsay is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marie Gabrielle Quinsay located?
- Marie Gabrielle Quinsay's practice location on file with NPPES is 13522 Newport Ave, Tustin, CA 92780-3707.
- What is Marie Gabrielle Quinsay's phone number?
- The practice phone number listed in the NPPES registry for Marie Gabrielle Quinsay is (714) 987-1121.
- Does Marie Gabrielle Quinsay accept Medicare?
- Marie Gabrielle Quinsay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marie Gabrielle Quinsay's NPI active?
- Yes — Marie Gabrielle Quinsay's NPI (1457034209) is active in the NPPES registry as of the last update on 2025-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.