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James Junker, M.D.
NPI 1841303138 · Diagnostic Radiology Physician · Festus, MO
James Junker, M.D. is a Diagnostic Radiology Physician provider in Festus, MO (NPI 1841303138).
Provider details
- NPI number
- 1841303138
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- R5A43 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(95/100 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
2 documented practice locations
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
1400 US Highway 61
Festus, MO 63028
Phone: (636) 933-1059
Street-level locationGet directions
Mailing address
11475 Olde Cabin Rd Ste 200
Saint Louis, MO 63141-7129
Additional practice locations (1)
- 2344 Hampton AveSaint Louis, MO 63139-2909Phone: (314) 647-2344Fax: (314) 647-5108
Registry dates
- Enumerated
- 2006-08-17
- Last updated
- 2019-02-11
Frequently asked questions
- What is James Junker's NPI number?
- James Junker's National Provider Identifier (NPI) is 1841303138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Junker's specialty?
- James Junker is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is James Junker located?
- James Junker's practice location on file with NPPES is 1400 US Highway 61, Festus, MO 63028.
- What is James Junker's phone number?
- The practice phone number listed in the NPPES registry for James Junker is (636) 933-1059.
- Is James Junker's NPI active?
- Yes — James Junker's NPI (1841303138) is active in the NPPES registry as of the last update on 2019-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.