Quick answers
- Does Clarissa P. Ribeiro Diniz accept Medicare assignment?
- Yes. Medicare's clinician data says Clarissa P. Ribeiro Diniz accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Clarissa P. Ribeiro Diniz's NPI number?
- 1770948523. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Clarissa P. Ribeiro Diniz works
Medicare's Facility Affiliation Data lists Clarissa P. Ribeiro Diniz at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mayo Clinic HospitalPhoenix, AZ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 030103
Practice locations
Addresses where Clarissa P. Ribeiro Diniz is enrolled with Medicare (CMS data updated October 2, 2026).
- 13400 E Shea BlvdScottsdale, AZ 85259 (480) 301‑8000
Group practices
Medicare enrollment lists Clarissa P. Ribeiro Diniz as a member of this group (CMS data updated October 2, 2026).
- Mayo Clinic Arizona1,626 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Scottsdale
Clinicians with the same Medicare primary specialty in Scottsdale, AZ — not a recommendation.
Other clinicians in Mayo Clinic Arizona
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Johns Hopkins University School Of Medicine |
| Graduation year | 2021 (5 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770948523 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians