What is John Byon's NPI number?

John Byon's National Provider Identifier (NPI) is 1295848018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Byon's specialty?

John Byon is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).

Where is John Byon located?

John Byon's practice location on file with NPPES is 1705 Ne Pacific St, Seattle, WA 98195-0001.

What is John Byon's phone number?

The practice phone number listed in the NPPES registry for John Byon is (206) 543-2368.

Is John Byon's NPI active?

Yes — John Byon's NPI (1295848018) is active in the NPPES registry as of the last update on 2009-06-02.

IndividualActive

John Byon, MD

NPI 1295848018 · Hematology & Oncology Physician · Seattle, WA

John Byon, MD is a Hematology & Oncology Physician provider in Seattle, WA (NPI 1295848018).

Provider details

NPI number: 1295848018
Entity type: Individual
Primary specialty: Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: MD00045091 (WA)

Specialties & taxonomies

Hematology & Oncology PhysicianPrimary207RH0003XLicense MD00045091 (WA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(90/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

1705 Ne Pacific St

Box 357710

Seattle, WA 98195-0001

Phone: (206) 543-2368

Fax: (206) 543-3560

Street-level locationGet directions

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Mailing address