Individual Healthcare Provider
Douglas B Tippin, M.D., PHD
Provider's NPPES record last updated: September 29, 2025
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1013900281
- Primary Specialty
- Radiology — Radiation Oncology
- Practice Location
- Warrenville, Illinois
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 18, 2026, 6:53 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Radiology
Radiation Oncology
Allopathic & Osteopathic Physicians
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
Taxonomy code 2085R0001X Specialist
Other Service Providers
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Taxonomy code 174400000X
Provider-Reported License Information
- Radiology (Illinois)
- 036164254
- Radiology (Colorado)
- CDRH.0040881
- Specialist (Colorado)
- 40881
- Radiology (California)
- C154753
Practice Locations
Practice Location
4405 Weaver Pkwy
Warrenville, Illinois 60555-3269
Phone: (630) 933-7811
Additional Practice Location
2222 N Nevada Ave Ste Cc101
Colorado Springs, Colorado 80907-6819
Phone: (719) 776-5281
Fax: (719) 776-2525
Additional Practice Location
524 Moye Boulevard
Greenville, North Carolina 27834
Phone: (252) 551-6300
Fax: (252) 551-6391
Additional Practice Location
5275 Dtc Pkwy
Greenwood Village, Colorado 80111-2772
Phone: (720) 214-6500
Additional Practice Location
39000 Bob Hope Dr
Rancho Mirage, California 92270-3221
Phone: (760) 341-3688
Fax: (760) 341-8992
Record Information
- Enumeration Date
- August 23, 2005
- Provider's NPPES Record Last Updated
- September 29, 2025
- Certification Date
- September 29, 2025
- NPISignal NPPES Dataset
- August 2026
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