Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KATHERINE GRACE STEVENSON MD
NPI 1407559438
Family Medicine in Seattle, WA

Q: What is Katherine Stevenson's NPI number?

The NPI number for Katherine Stevenson is 1407559438. It was assigned to this individual provider in the NPPES registry on March 27, 2023.

Q: What is Katherine Stevenson's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Active since March 27, 2023PECOS Enrolled

747 BROADWAY, SEATTLE, WA 98122(206) 320-2000 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 16, 2026, Mar 27, 2023 (2 updates tracked since 2023).

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About Katherine Grace Stevenson Md NPPES

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

KATHERINE GRACE STEVENSON MD (NPI 1407559438) is an individual family medicine provider in Seattle, Washington, licensed in Maine (MD30474) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1407559438

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameKATHERINE GRACE STEVENSONCredential: MD

Location Address747 BROADWAYSeattle, WA 98122-4307

Mailing Address26 Saunders StPortland, ME 04103-3127 · (609) 712-8174

Phone(206) 320-2000

Sole ProprietorNo

Enumeration DateMarch 27, 2023

Last NPPES UpdateJuly 16, 20262 updates tracked since enumeration

NPPES CertifiedJuly 16, 2026

✔ NPI 1407559438 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in ME · MD30474

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

747 BROADWAY, Seattle, WA 98122

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Grace Stevenson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98122 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

$97.43 typical visit price

range $63.67 – $189.37

Typical copayment $24.35 (range $15.91 – $47.34)

Most-billed visit code 99203

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.

ASHLEY NICOLE WILSON PHARMD.

Pharmacist

747 BROADWAY, ATTN: INPATIENT PHARMACY
SEATTLE, WA 98122

King County (206) 215-6283

MOHAMMAD IFFAT KABIR ANINDO MD

Internal Medicine

747 BROADWAY
SEATTLE, WA 98122

King County (206) 215-2520

DR. RICHARD KADERA MD

Hospitalist

747 BROADWAY
SEATTLE, WA 98122

King County (206) 215-2520

ROBERT C HANSEN MD

Hospitalist

747 BROADWAY
SEATTLE, WA 98122

King County (206) 215-2520

DR. ELIZABETH JEAN POTTER MD

Internal Medicine

747 BROADWAY
SEATTLE, WA 98122

King County (206) 215-2520

MR. BOBBY WALKER HOLLOWELL CPHT

Pharmacy Technician

747 BROADWAY
SEATTLE, WA 98122

King County (206) 386-6150

JOHN CAMPBELL MD

Radiology (Vascular & Interventional Radiology)

747 BROADWAY, HEATH BUILDING 10TH FLOOR
SEATTLE, WA 98122

King County (206) 215-4253

DAVID ROMANET PHARMD

Pharmacist

747 BROADWAY
SEATTLE, WA 98122

King County (602) 312-2220

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 Katherine Stevenson's NPI number?

The NPI number for Katherine Stevenson is 1407559438. It was assigned to this individual provider in the NPPES registry on March 27, 2023.

Where is Katherine Stevenson located?

Katherine Stevenson practices at 747 Broadway, Seattle, WA 98122. The listed phone number is (206) 320-2000.

What is Katherine Stevenson's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Katherine Stevenson enrolled in Medicare?

Yes. Katherine Stevenson is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Katherine Stevenson was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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.