1. Home
  2. Directory
  3. Washington
  4. Seattle
  5. Dietitian Registered
  6. NPI Profile

KATHARINE SHERRARD TAYLOR OLSEN RDN, CDR, MS
NPI 1679205603
Dietitian, Registered in Seattle, WA

Active since June 28, 2022Accepts Medicare Assignment
1124 COLUMBIA ST STE 400, SEATTLE, WA 98104(206) 215-2440(206) 215-2457 Get Directions Write a Review

NPPES record last updated: January 28, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 7, 2024, Oct 14, 2022 (2 updates tracked since 2022).

About Katharine Sherrard Taylor Olsen Rdn, Cdr, Ms NPPES

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

KATHARINE SHERRARD TAYLOR OLSEN RDN, CDR, MS (NPI 1679205603) is an individual dietitian, registered in Seattle, Washington, licensed in Washington (DI61335594) and active in the NPI registry since June 2022. She maintains a secondary practice location in Edmonds and is a graduate of Other (2021).

NPPES Registry Identity

NPI1679205603
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameKATHARINE SHERRARD TAYLOR OLSENCredential: RDN, CDR, MS
Location Address1124 COLUMBIA ST STE 400Seattle, WA 98104-2053
Mailing AddressPo Box 25608Salt Lake City, UT 84125-0608 · (206) 320-4476 · Fax (206) 568-7043
Phone(206) 215-2440
Fax(206) 215-2457
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJune 28, 2022
Last NPPES UpdateJanuary 28, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 28, 2025
✔ NPI 1679205603 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 · DI61335594
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.
1124 COLUMBIA ST STE 400, Seattle, WA 98104
Open in Google Maps ↗

Other Names 1

Former Name (1)Katharine Sherrard Taylor Rd

Secondary Practice Location 1

Location 17500 212th St SW Ste 116Edmonds, WA 98026-7616 · Phone (425) 409-3544

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

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

Katharine Sherrard Taylor Olsen Rdn, Cdr, Ms 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 ID9234513755
PECOS Enrollment IDI20220901002215

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98104 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 $63.67 – $189.37
Typical copayment $0.00 (range $15.91 – $47.34)
Most-billed visit code NA
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
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.

HAYLEY T HEMPHILL PSYD
Psychologist (Clinical)
1124 COLUMBIA ST STE 400
SEATTLE, WA 98104
King County (206) 215-2090
MS. IJEOMA NWANNEKA OKEKE PA-C
Physician Assistant (Surgical)
1124 COLUMBIA ST STE 400
SEATTLE, WA 98104
King County (206) 215-2090
MAY L CHANG ARNP
Nurse Practitioner
1124 COLUMBIA ST STE 400
SEATTLE, WA 98104
King County (206) 215-2090
DR. HOU HSIEN CHIANG MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1124 COLUMBIA ST STE 400
SEATTLE, WA 98104
King County (206) 215-2440
VIRGINIA SINCLAIR POWELL RD
Dietitian, Registered
1124 COLUMBIA ST STE 400
SEATTLE, WA 98104
King County (206) 215-2090
SAACHI P PATEL PSYD
Psychologist (Clinical)
1124 COLUMBIA ST STE 400
SEATTLE, WA 98104
King County (206) 215-2090
HEATHER KIRKLAND PARDUE PA-C
Physician Assistant (Surgical)
1124 COLUMBIA ST STE 400
SEATTLE, WA 98104
King County (206) 215-2090
ANN M FITTANTE RD
Dietitian, Registered
1124 COLUMBIA ST STE 400
SEATTLE, WA 98104
King County (206) 215-2090

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 Katharine Olsen's NPI number?

The NPI number for Katharine Olsen is 1679205603. It was assigned to this individual provider in the NPPES registry on June 28, 2022. The provider is also known as Katharine Sherrard Taylor Rd.

Where is Katharine Olsen located?

Katharine Olsen practices at 1124 Columbia St Ste 400, Seattle, WA 98104. The listed phone number is (206) 215-2440.

What is Katharine Olsen's specialty?

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

Is Katharine Olsen enrolled in Medicare?

Yes. Katharine Olsen 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.

What insurance does Katharine Olsen accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Katharine Olsen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Katharine Olsen was last updated on January 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.