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

DR. JOHN TIMOTHY BLACKWELDER M.D.
NPI 1457305179
Radiology - Diagnostic Radiology in Walla Walla, WA

Q: What is John Blackwelder's NPI number?

The NPI number for John Blackwelder is 1457305179. It was assigned to this individual provider in the NPPES registry on May 19, 2006.

Q: What is John Blackwelder's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for John Blackwelder was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 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.

Active since May 19, 2006

1240 LANCER DR, WALLA WALLA, WA 99362(509) 529-5541 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

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About Dr. John Timothy Blackwelder M.d. NPPES

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

DR. JOHN TIMOTHY BLACKWELDER M.D. (NPI 1457305179) is an individual diagnostic radiology provider in Walla Walla, Washington, licensed in Washington (MD00020601) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1457305179

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameDR. JOHN TIMOTHY BLACKWELDERCredential: M.D.

Location Address1240 LANCER DRWalla Walla, WA 99362-9275

Mailing Address1240 Lancer DrWalla Walla, WA 99362-9275 · (509) 529-5541

Phone(509) 529-5541

Sole ProprietorNo

Enumeration DateMay 19, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1457305179 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in WA · MD00020601

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

1240 LANCER DR, Walla Walla, WA 99362

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Other Providers at the Same Location NPPES

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

GRAPEVINE RADIOLOGY ASSOCIATES

Radiology (Diagnostic Radiology)

1240 LANCER DR
WALLA WALLA, WA 99362

Walla Walla County (509) 529-5541

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 John Blackwelder's NPI number?

The NPI number for John Blackwelder is 1457305179. It was assigned to this individual provider in the NPPES registry on May 19, 2006.

Where is John Blackwelder located?

John Blackwelder practices at 1240 Lancer Dr, Walla Walla, WA 99362. The listed phone number is (509) 529-5541.

What is John Blackwelder's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

When was this NPI record last updated?

The NPPES record for John Blackwelder was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 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.