Quick answers
- Does Heather L. Tjarnberg accept Medicare assignment?
- Yes. Medicare's clinician data says Heather L. Tjarnberg 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 Heather L. Tjarnberg's NPI number?
- 1396029427. 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 Heather L. Tjarnberg is enrolled with Medicare (CMS data updated October 2, 2026).
- 510 W 1st AveToppenish, WA 98948 (509) 865‑5600
Group practices
Medicare enrollment lists Heather L. Tjarnberg as a member of this group (CMS data updated October 2, 2026).
- Yakima Valley Farm Workers Clinic273 clinicians in the group
Specialties
Find other clinicians: Registered Dietitian or Nutrition Professional, Washington →
Other dietitians in Washington
Clinicians with the same Medicare primary specialty in Washington — not a recommendation.
Other clinicians in Yakima Valley Farm Workers Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2005 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396029427 |
| 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