Quick answers
- Which hospitals does Tianna Mack work at?
- Medicare's official clinician data lists Tianna Mack at 1 hospital: Saint Joseph Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tianna Mack see patients?
- Medicare's clinician data lists 2 practice locations, including Denver, CO. Call before your visit to confirm the address.
- What is Tianna Mack's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Tianna Mack accept Medicare assignment?
- Yes. Medicare's clinician data says Tianna Mack accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Tianna Mack?
- (303) 812-2000, as listed in official Medicare / NPI Registry data.
- What is Tianna Mack's NPI number?
- 1912643891. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tianna Mack works
Medicare's Facility Affiliation Data lists Tianna Mack at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Joseph HospitalDenver, CO · Acute Care Hospital · CCN 060028
Practice locations
Addresses where Tianna Mack is enrolled with Medicare (CMS data updated 2026-10-02).
- 1375 E 19th AveDenver, CO 80218 (303) 812‑2000
- 1960 N Ogden StDenver, CO 80218
Group practices
Medicare enrollment lists Tianna Mack as a member of this group (CMS data updated 2026-10-02).
- Uptown Community Health Center Inc32 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Denver
Clinicians with the same Medicare primary specialty in Denver, CO — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912643891 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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