John Blackwelder, M.D.
NPI 1457305179 · Diagnostic Radiology Physician · Walla Walla, WA
John Blackwelder, M.D. is a Diagnostic Radiology Physician provider in Walla Walla, WA (NPI 1457305179).
Provider details
- NPI number
- 1457305179
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- MD00020601 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Blackwelder's NPI number?
- John Blackwelder's National Provider Identifier (NPI) is 1457305179, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Blackwelder's specialty?
- John Blackwelder is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Blackwelder located?
- John Blackwelder's practice location on file with NPPES is 1240 Lancer Dr, Walla Walla, WA 99362-9275.
- What is John Blackwelder's phone number?
- The practice phone number listed in the NPPES registry for John Blackwelder is (509) 529-5541.
- Is John Blackwelder's NPI active?
- Yes — John Blackwelder's NPI (1457305179) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.