Quick answers
- Where does Lucas Sittner see patients?
- Medicare's clinician data lists 1 practice location in Fort Collins, CO. Call before your visit to confirm the address.
- What is Lucas Sittner's specialty?
- Medicare lists Sleep Medicine as the primary specialty, and also Anesthesiology.
- Does Lucas Sittner accept Medicare assignment?
- Yes. Medicare's clinician data says Lucas Sittner accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Lucas Sittner?
- (970) 224-9102, as listed in official Medicare / NPI Registry data.
- What is Lucas Sittner's NPI number?
- 1518156140. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Lucas Sittner is enrolled with Medicare (CMS data updated 2026-10-02).
- 2121 E Harmony Rd, Unit 300 Uchmg Pulmonology Fort CollinsFort Collins, CO 80528 (970) 224‑9102
Group practices
Medicare enrollment lists Lucas Sittner as a member of this group (CMS data updated 2026-10-02).
- Poudre Valley Medical Group LLC2,440 clinicians in the group
Specialties
- Sleep Medicineprimary
- Anesthesiologyalso
Other sleep medicine doctors in Colorado
Clinicians with the same Medicare primary specialty in Colorado — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Rocky Vista University College Of Osteopathic Med |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518156140 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians