James Welsh, MS MD
NPI 1790748317 · Radiation Oncology Physician · Maywood, IL
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Welsh, MS MD is a Radiation Oncology Physician provider in Maywood, IL (NPI 1790748317).
Provider details
- NPI number
- 1790748317
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MS MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036107750 (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
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
- 2006-04-07
- Last updated
- 2022-02-08
- Certified
- 2022-02-08
Frequently asked questions
- What is James Welsh's NPI number?
- James Welsh's National Provider Identifier (NPI) is 1790748317, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Welsh's specialty?
- James Welsh is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is James Welsh located?
- James Welsh's practice location on file with NPPES is 2160 S 1st Ave, Maywood, IL 60153-3328.
- What is James Welsh's phone number?
- The practice phone number listed in the NPPES registry for James Welsh is (708) 216-9000.
- Does James Welsh accept Medicare?
- James Welsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Welsh's NPI active?
- Yes — James Welsh's NPI (1790748317) is active in the NPPES registry as of the last update on 2022-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.