Brianna Mastromarino, MD
NPI 1124587027 · Student in an Organized Health Care Education/Training Program · Los Angeles, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brianna Mastromarino, MD is a Student in an Organized Health Care Education/Training Program provider in Los Angeles, CA (NPI 1124587027).
Provider details
- NPI number
- 1124587027
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
40 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $89 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 13 | $45 |
Typical Medicare-allowed amounts for these services range $45–$89 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-19
- Last updated
- 2019-03-19
Frequently asked questions
- What is Brianna Mastromarino's NPI number?
- Brianna Mastromarino's National Provider Identifier (NPI) is 1124587027, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brianna Mastromarino's specialty?
- Brianna Mastromarino is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Brianna Mastromarino located?
- Brianna Mastromarino's practice location on file with NPPES is 10833 Le Conte Ave, Los Angeles, CA 90095-3075.
- What is Brianna Mastromarino's phone number?
- The practice phone number listed in the NPPES registry for Brianna Mastromarino is (310) 825-9945.
- Does Brianna Mastromarino accept Medicare?
- Brianna Mastromarino is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brianna Mastromarino's NPI active?
- Yes — Brianna Mastromarino's NPI (1124587027) is active in the NPPES registry as of the last update on 2019-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.