James Wynstra, M.D.
NPI 1467541946 · Radiation Oncology Physician · Springfield, IL
James Wynstra, M.D. is a Radiation Oncology Physician provider in Springfield, IL (NPI 1467541946).
Provider details
- NPI number
- 1467541946
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036079641 (IL)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-10-12
- Last updated
- 2015-07-23
Frequently asked questions
- What is James Wynstra's NPI number?
- James Wynstra's National Provider Identifier (NPI) is 1467541946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Wynstra's specialty?
- James Wynstra is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is James Wynstra located?
- James Wynstra's practice location on file with NPPES is 701 N 1st Street, Springfield, IL 62781-0001.
- What is James Wynstra's phone number?
- The practice phone number listed in the NPPES registry for James Wynstra is (217) 788-3260.
- Is James Wynstra's NPI active?
- Yes — James Wynstra's NPI (1467541946) is active in the NPPES registry as of the last update on 2015-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.