Quick answers
- Where does Thomas G. Castellano see patients?
- Medicare's clinician data lists 3 practice locations, including Loveland, CO and Denver, CO. Call before your visit to confirm the address.
- What is Thomas G. Castellano's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Thomas G. Castellano accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas G. Castellano 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 Thomas G. Castellano?
- (970) 663-0815, as listed in official Medicare / NPI Registry data.
- What is Thomas G. Castellano's NPI number?
- 1912980293. 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 Thomas G. Castellano is enrolled with Medicare (CMS data updated 2026-10-02).
- 730 14th St SWLoveland, CO 80537 (970) 663‑0815
- 730 14th St SW, Suite 200Loveland, CO 80537 (970) 663‑0815
- 999 17th St, Suite 500Denver, CO 80202 (720) 355‑0539
Group practices
Medicare enrollment lists Thomas G. Castellano as a member of these groups (CMS data updated 2026-10-02).
- Select Physical Therapy Holdings Inc2,024 clinicians in the group
- Meadows Family Medical Center Inc62 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Loveland
Clinicians with the same Medicare primary specialty in Loveland, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912980293 |
| 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