Quick answers
- Does Tamika M. Sullivan accept Medicare assignment?
- Yes. Medicare's clinician data says Tamika M. Sullivan 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 Tamika M. Sullivan's NPI number?
- 1770814790. 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 Tamika M. Sullivan is enrolled with Medicare (CMS data updated October 2, 2026).
- 155 Calle PortalSierra Vista, AZ 85635 (520) 459‑3012
- 155 Calle Portal, Suite 300Sierra Vista, AZ 85635 (520) 459‑3012
Group practices
Medicare enrollment lists Tamika M. Sullivan as a member of this group (CMS data updated October 2, 2026).
- Chiricahua Community Health Centers Inc44 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Sierra Vista
Clinicians with the same Medicare primary specialty in Sierra Vista, AZ — not a recommendation.
Other clinicians in Chiricahua Community Health Centers Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770814790 |
| 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