Quick answers
- Which hospitals does Maria Main work at?
- Medicare's official clinician data lists Maria Main at 3 hospitals: Medical Center of the Rockies, Poudre Valley Hospital and UCHealth Greeley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Maria Main see patients?
- Medicare's clinician data lists 2 practice locations, including Fort Collins, CO and Castle Rock, CO. Call before your visit to confirm the address.
- What is Maria Main's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Maria Main accept Medicare assignment?
- Yes. Medicare's clinician data says Maria Main 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 Maria Main?
- (720) 733-5260, as listed in official Medicare / NPI Registry data.
- What is Maria Main's NPI number?
- 1811916059. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Maria Main works
Medicare's Facility Affiliation Data lists Maria Main at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Medical Center of the RockiesLoveland, CO · Acute Care Hospital · CCN 060119
- Poudre Valley HospitalFort Collins, CO · Acute Care Hospital · CCN 060010
- UCHealth Greeley HospitalGreeley, CO · Acute Care Hospital · CCN 060131
Practice locations
Addresses where Maria Main is enrolled with Medicare (CMS data updated 2026-10-02).
- 1024 S Lemay AveFort Collins, CO 80524
- 4404 Barranca Ln, Unit 101Castle Rock, CO 80104 (720) 733‑5260
Group practices
Medicare enrollment lists Maria Main as a member of this group (CMS data updated 2026-10-02).
- Poudre Valley Medical Group LLC2,440 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Fort Collins
Clinicians with the same Medicare primary specialty in Fort Collins, CO — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811916059 |
| 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