Quick answers
- Which hospitals does Tanya N. Riddle work at?
- Medicare's official clinician data lists Tanya N. Riddle at 1 hospital: Intermountain Health St Vincent Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tanya N. Riddle see patients?
- Medicare's clinician data lists 2 practice locations, including Billings, MT and Worland, WY. Call before your visit to confirm the address.
- What is Tanya N. Riddle's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Tanya N. Riddle accept Medicare assignment?
- Yes. Medicare's clinician data says Tanya N. Riddle 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 Tanya N. Riddle?
- (406) 294-9515, as listed in official Medicare / NPI Registry data.
- What is Tanya N. Riddle's NPI number?
- 1497010250. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tanya N. Riddle works
Medicare's Facility Affiliation Data lists Tanya N. Riddle at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Intermountain Health St Vincent Regional HospitalBillings, MT · Acute Care Hospital · CCN 270049
Practice locations
Addresses where Tanya N. Riddle is enrolled with Medicare (CMS data updated 2026-10-02).
- 2294 Grant RdBillings, MT 59102 (406) 294‑9515
- 400 S 15th StWorland, WY 82401 (406) 294‑9515
Group practices
Medicare enrollment lists Tanya N. Riddle as a member of this group (CMS data updated 2026-10-02).
- Billings Dermatology PC4 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Billings
Clinicians with the same Medicare primary specialty in Billings, MT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At Houston |
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497010250 |
| 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