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THOMAS FEULNER DO
NPI 1689475782
Internal Medicine in Lone Tree, CO

Active since March 24, 2025PECOS Enrolled
10099 RIDGEGATE PKWY, LONE TREE, CO 80124(720) 225-4464 Get Directions Write a Review

NPPES record last updated: October 10, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 10, 2025, Mar 25, 2025 (2 updates tracked since 2025).

About Thomas Feulner Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THOMAS FEULNER DO (NPI 1689475782) is an individual internal medicine provider in Lone Tree, Colorado, licensed in Colorado (TL.0010978) and active in the NPI registry since March 2025. The provider is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689475782
Entity TypeIndividual
Primary Taxonomy207R00000X
Provider Legal NameTHOMAS FEULNERCredential: DO
Location Address10099 RIDGEGATE PKWYLone Tree, CO 80124-5531
Mailing Address10099 Ridgegate PkwyLone Tree, CO 80124-5531 · (720) 225-4464
Phone(720) 225-4464
Sole ProprietorYes
Enumeration DateMarch 24, 2025
Last NPPES UpdateOctober 10, 20252 updates tracked since enumeration
NPPES CertifiedOctober 10, 2025
✔ NPI 1689475782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CO · TL.0010978
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
10099 RIDGEGATE PKWY, Lone Tree, CO 80124
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thomas Feulner Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80124 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

COLORADO ENDOCRINOLOGY, THYROID AND DIABETES CONSULTANTS, P.C.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
10099 RIDGEGATE PKWY, SUITE 480
LONE TREE, CO 80124
Douglas County (303) 790-2400
PHOENIX NEUROMONITORING
Specialist/Technologist, Other
10099 RIDGEGATE PKWY, SUITE 480
LONE TREE, CO 80124
Douglas County (303) 801-8136
JOSEPH LAWRENCE DAVIS
Student in an Organized Health Care Education/Training Program
10099 RIDGEGATE PKWY
LONE TREE, CO 80124
Douglas County (720) 875-2880
TAMMI H. SCHAEFFER, DO PC
Emergency Medicine (Medical Toxicology)
10099 RIDGEGATE PKWY, SUITE 220
LONE TREE, CO 80124
Douglas County (303) 815-1960
SANFORD ELDON AVNER M.D.
Allergy & Immunology
10099 RIDGEGATE PKWY, STE. #400
LONE TREE, CO 80124
Douglas County (303) 706-9923
SOUTHEAST FAMILY PHYSICIANS
Family Medicine
10099 RIDGEGATE PKWY, SUITE 340
LONE TREE, CO 80124
Douglas County (303) 706-0400
DR. CYNTHIA G KRISTENSEN MD
Internal Medicine (Nephrology)
10099 RIDGEGATE PKWY, STE 310
LONE TREE, CO 80124
Douglas County (303) 327-4700
SKY RIDGE SURGERY CENTER LP
Clinic/Center (Ambulatory Surgical)
10099 RIDGEGATE PKWY, SUITE 100
LONE TREE, CO 80124
Douglas County (720) 225-5000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Feulner's NPI number?

The NPI number for Thomas Feulner is 1689475782. It was assigned to this individual provider in the NPPES registry on March 24, 2025.

Where is Thomas Feulner located?

Thomas Feulner practices at 10099 Ridgegate Pkwy, Lone Tree, CO 80124. The listed phone number is (720) 225-4464.

What is Thomas Feulner's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Thomas Feulner enrolled in Medicare?

Yes. Thomas Feulner is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Thomas Feulner was last updated on October 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.