Rebecca Marquez
NPI 1114781515 · Physician Assistant · Tustin, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rebecca Marquez is a Physician Assistant provider in Tustin, CA (NPI 1114781515).
Provider details
- NPI number
- 1114781515
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- PA64282 (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 tenure33% of score
2 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 64 | 42 |
| Ergocalciferol (vitamin D2)brand: Vitamin D2 | 36 | 18 |
| Metformin Hcl | 31 | 24 |
| Lisinopril | 30 | 22 |
| Fluticasone Propionate | 27 | 21 |
| Hydrochlorothiazide | 26 | 14 |
| Amlodipine Besylate | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$40 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 9918 Katella Ave Ste A-CAnaheim, CA 92804-6465Phone: (714) 644-9494Fax: (714) 644-9894
- 11180 Warner Ave Ste 353Fountain Valley, CA 92708-4098Phone: (714) 968-6789Fax: (714) 202-2626
Registry dates
- Enumerated
- 2024-02-07
- Last updated
- 2025-10-23
- Certified
- 2025-10-23
Frequently asked questions
- What is Rebecca Marquez's NPI number?
- Rebecca Marquez's National Provider Identifier (NPI) is 1114781515, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rebecca Marquez's specialty?
- Rebecca Marquez is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rebecca Marquez located?
- Rebecca Marquez's practice location on file with NPPES is 661 W 1st St Ste G, Tustin, CA 92780-2939.
- What is Rebecca Marquez's phone number?
- The practice phone number listed in the NPPES registry for Rebecca Marquez is (714) 665-9890.
- Does Rebecca Marquez accept Medicare?
- Rebecca Marquez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rebecca Marquez's NPI active?
- Yes — Rebecca Marquez's NPI (1114781515) is active in the NPPES registry as of the last update on 2025-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.