Thomas Feulner, DO
NPI 1689475782 · Internal Medicine Physician · Lone Tree, CO
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Feulner, DO is a Internal Medicine Physician provider in Lone Tree, CO (NPI 1689475782).
Provider details
- NPI number
- 1689475782
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sole proprietor
- Yes
- License
- TL.0010978 (CO)
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
1 yr 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
- 2025-03-24
- Last updated
- 2025-10-10
- Certified
- 2025-10-10
Frequently asked questions
- What is Thomas Feulner's NPI number?
- Thomas Feulner's National Provider Identifier (NPI) is 1689475782, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Feulner's specialty?
- Thomas Feulner is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Feulner located?
- Thomas Feulner's practice location on file with NPPES is 10099 Ridgegate Pkwy, Lone Tree, CO 80124-5531.
- What is Thomas Feulner's phone number?
- The practice phone number listed in the NPPES registry for Thomas Feulner is (720) 225-4464.
- Does Thomas Feulner accept Medicare?
- Thomas Feulner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Feulner's NPI active?
- Yes — Thomas Feulner's NPI (1689475782) is active in the NPPES registry as of the last update on 2025-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.