Quick answers
- Does Tiffany C. Heidt accept Medicare assignment?
- Yes. Medicare's clinician data says Tiffany C. Heidt 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.
- How many Medicare patients does Tiffany C. Heidt see?
- In 2024, CMS data shows 164 Original Medicare patients and 539 services for Tiffany C. Heidt. This counts Original Medicare only and measures volume, not quality.
- What is Tiffany C. Heidt's NPI number?
- 1689683518. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Tiffany C. Heidt, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 164 |
|---|---|
| Services billed to Medicare | 539 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)191 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)99 services
- Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (95251)91 services
- Hemoglobin a1c level (83036)81 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)33 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol74%
- High blood pressure62%
- Diabetes46%
- Arthritis40%
- Depression23%
- Anxiety23%
Hospitals where Tiffany C. Heidt works
Medicare's Facility Affiliation Data lists Tiffany C. Heidt at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Saint Alphonsus Medical Center - NampaNampa, ID · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 130013
- Saint Alphonsus Medical Center OntarioOntario, OR · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 380052
- Saint Alphonsus Regional Medical CenterBoise, ID · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 130007
- St Luke's Elmore Medical CenterMountain Home, ID · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 131311
- St Luke's Regional Medical CenterBoise, ID · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 130006
Practice locations
Addresses where Tiffany C. Heidt is enrolled with Medicare (CMS data updated October 2, 2026).
- 900 N Liberty St, Suite 201Boise, ID 83704 (208) 367‑6740
Group practices
Medicare enrollment lists Tiffany C. Heidt as a member of this group (CMS data updated October 2, 2026).
- Treasure Valley Endocrinology PC2 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Boise
Clinicians with the same Medicare primary specialty in Boise, ID — not a recommendation.
Other clinicians in Treasure Valley Endocrinology PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689683518 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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