Quick answers
- Which hospitals does Joseph V. Lillis work at?
- Medicare's official clinician data lists Joseph V. Lillis at 1 hospital: Poudre Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joseph V. Lillis see patients?
- Medicare's clinician data lists 1 practice location in Fort Collins, CO. Call before your visit to confirm the address.
- What is Joseph V. Lillis's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Joseph V. Lillis accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph V. Lillis 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 Joseph V. Lillis?
- (970) 305-4341, as listed in official Medicare / NPI Registry data.
- What is Joseph V. Lillis's NPI number?
- 1225213432. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joseph V. Lillis works
Medicare's Facility Affiliation Data lists Joseph V. Lillis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Poudre Valley HospitalFort Collins, CO · Acute Care Hospital · CCN 060010
Practice locations
Addresses where Joseph V. Lillis is enrolled with Medicare (CMS data updated 2026-10-02).
- 3609 S Timberline Rd, Unit AFort Collins, CO 80525 (970) 305‑4341
Group practices
Medicare enrollment lists Joseph V. Lillis as a member of this group (CMS data updated 2026-10-02).
- Colorado Dermatology Group PLLC4 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Fort Collins
Clinicians with the same Medicare primary specialty in Fort Collins, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225213432 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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