Quick answers
- Does Crystal M. Rivera Perez accept Medicare assignment?
- Yes. Medicare's clinician data says Crystal M. Rivera Perez 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 Crystal M. Rivera Perez's NPI number?
- 1770159428. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Crystal M. Rivera Perez is enrolled with Medicare (CMS data updated October 2, 2026).
- 1230 Baxter StAthens, GA 30606 (706) 389‑3000
- 1500 Oglethorpe Ave, Suite 200cAthens, GA 30606 (706) 389‑3875
Group practices
Medicare enrollment lists Crystal M. Rivera Perez as a member of this group (CMS data updated October 2, 2026).
- St. Mary's Medical Group, Inc.109 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Athens
Clinicians with the same Medicare primary specialty in Athens, GA — not a recommendation.
Other clinicians in St. Mary's Medical Group, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2022 (4 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770159428 |
| 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
- 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