Quick answers
- Does Esther Quintero-Marsteller accept Medicare assignment?
- Yes. Medicare's clinician data says Esther Quintero-Marsteller 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 Esther Quintero-Marsteller's NPI number?
- 1316442528. 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 Esther Quintero-Marsteller is enrolled with Medicare (CMS data updated October 2, 2026).
- 839 W Congress StTucson, AZ 85745 (520) 670‑3909
Group practices
Medicare enrollment lists Esther Quintero-Marsteller as a member of this group (CMS data updated October 2, 2026).
- El Rio Santa Cruz Neighborhood Health Center, Inc.275 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Tucson
Clinicians with the same Medicare primary specialty in Tucson, AZ — not a recommendation.
Other clinicians in El Rio Santa Cruz Neighborhood Health Center, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still Un Of Hlth Sciences, Col Of Osteo Med, Mesa |
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316442528 |
| 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