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HEATHER LOUISE TJARNBERG R.D.
NPI 1396029427
Dietitian, Registered in Yakima, WA

Active since October 07, 2011Accepts Medicare Assignment
602 E NOB HILL BLVD, YAKIMA, WA 98901(509) 248-8602 Get Directions Write a Review

NPPES record last updated: April 10, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Apr 10, 2026, May 13, 2025 (2 updates tracked since 2025).

About Heather Louise Tjarnberg R.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HEATHER LOUISE TJARNBERG R.D. (NPI 1396029427) is an individual dietitian, registered in Yakima, Washington, licensed in Washington (DI60256137) and active in the NPI registry since October 2011. She is a graduate of Other (2005).

NPPES Registry Identity

NPI1396029427
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameHEATHER LOUISE TJARNBERGCredential: R.D.
Location Address602 E NOB HILL BLVDYakima, WA 98901-3534
Mailing AddressPo Box 190Toppenish, WA 98948-0190 · (509) 248-8602
Phone(509) 248-8602
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateOctober 7, 2011
Last NPPES UpdateApril 10, 20262 updates tracked since enumeration
NPPES CertifiedApril 10, 2026
✔ NPI 1396029427 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in WA · DI60256137
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
602 E NOB HILL BLVD, Yakima, WA 98901
Open in Google Maps ↗

Other Names 1

Former Name (1)Heather Ostrander

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Heather Louise Tjarnberg R.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5294254140
PECOS Enrollment IDI20250523001701

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $57.27 – $172.80
Typical copayment $0.00 (range $14.31 – $43.20)
Most-billed visit code NA
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JENNIFER WILLIAMS
Physician Assistant
602 E NOB HILL BLVD
YAKIMA, WA 98901
Yakima County (509) 248-3334
JAROM ALEXANDER SMITH DDS
Dentist (General Practice)
602 E NOB HILL BLVD
YAKIMA, WA 98901
Yakima County (509) 248-1082
DANIEL DOORNINK
Internal Medicine
602 E NOB HILL BLVD
YAKIMA, WA 98901
Yakima County (509) 248-3334
DR. LIBERTY J MATAIA DDS
Dentist
602 E NOB HILL BLVD
YAKIMA, WA 98901
Yakima County (509) 248-3334
MRS. ANDREA CARRIEDO RN
Registered Nurse (Community Health)
602 E NOB HILL BLVD
YAKIMA, WA 98901
Yakima County (509) 453-7144
LILIA OFELIA CRUZ-RICO
Case Manager/Care Coordinator
602 E NOB HILL BLVD
YAKIMA, WA 98901
Yakima County (509) 457-6540
THAI-MAI DANG PHARMD
Pharmacist
602 E NOB HILL BLVD
YAKIMA, WA 98901
Yakima County (509) 248-3334
MICHAEL JACH
Family Medicine
602 E NOB HILL BLVD
YAKIMA, WA 98901
Yakima County (509) 248-3334

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Heather Tjarnberg's NPI number?

The NPI number for Heather Tjarnberg is 1396029427. It was assigned to this individual provider in the NPPES registry on October 7, 2011. The provider is also known as Heather Ostrander.

Where is Heather Tjarnberg located?

Heather Tjarnberg practices at 602 E Nob Hill Blvd, Yakima, WA 98901. The listed phone number is (509) 248-8602.

What is Heather Tjarnberg's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Heather Tjarnberg enrolled in Medicare?

Yes. Heather Tjarnberg is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Heather Tjarnberg was last updated on April 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.