Mercedes Posadas Rivas
NPI 1639790009 · Student in an Organized Health Care Education/Training Program · San Francisco, CA
Enrolled with Medicare as Order and Referring Only - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mercedes Posadas Rivas is a Student in an Organized Health Care Education/Training Program provider in San Francisco, CA (NPI 1639790009).
Provider details
- NPI number
- 1639790009
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- 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 tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-27
- Last updated
- 2022-03-22
- Certified
- 2022-03-22
Frequently asked questions
- What is Mercedes Posadas Rivas's NPI number?
- Mercedes Posadas Rivas's National Provider Identifier (NPI) is 1639790009, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mercedes Posadas Rivas's specialty?
- Mercedes Posadas Rivas 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 Mercedes Posadas Rivas located?
- Mercedes Posadas Rivas's practice location on file with NPPES is 533 Parnassus Ave, San Francisco, CA 94143-2208.
- What is Mercedes Posadas Rivas's phone number?
- The practice phone number listed in the NPPES registry for Mercedes Posadas Rivas is (415) 476-1000.
- Does Mercedes Posadas Rivas accept Medicare?
- Mercedes Posadas Rivas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mercedes Posadas Rivas's NPI active?
- Yes — Mercedes Posadas Rivas's NPI (1639790009) is active in the NPPES registry as of the last update on 2022-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.