Quick answers
- Which hospitals does Colleen E. Diferdinando work at?
- Medicare's official clinician data lists Colleen E. Diferdinando at 1 hospital: Good Samaritan Medical Center LLC. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Colleen E. Diferdinando see patients?
- Medicare's clinician data lists 3 practice locations, including Boulder, CO and Westminster, CO. Call before your visit to confirm the address.
- What is Colleen E. Diferdinando's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Colleen E. Diferdinando accept Medicare assignment?
- Yes. Medicare's clinician data says Colleen E. Diferdinando 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.
- Does Colleen E. Diferdinando offer telehealth?
- Medicare's clinician data says Colleen E. Diferdinando offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Colleen E. Diferdinando?
- (303) 376-0184, as listed in official Medicare / NPI Registry data.
- What is Colleen E. Diferdinando's NPI number?
- 1558946533. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Colleen E. Diferdinando works
Medicare's Facility Affiliation Data lists Colleen E. Diferdinando at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Good Samaritan Medical Center LLCLafayette, CO · Acute Care Hospital · CCN 060116
Practice locations
Addresses where Colleen E. Diferdinando is enrolled with Medicare (CMS data updated 2026-10-02).
- 3434 47th St, Suite 107Boulder, CO 80301 (303) 376‑0184
- 3520 W 92nd Ave, Suite 104Westminster, CO 80031 (303) 429‑6600
- 7625 W 92nd AveWestminster, CO 80021 (303) 650‑3427
Group practices
Medicare enrollment lists Colleen E. Diferdinando as a member of these groups (CMS data updated 2026-10-02).
- Select Physical Therapy of West Denver Limited Partnership548 clinicians in the group
- Rocky Mountain Primary Care, PC38 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Boulder
Clinicians with the same Medicare primary specialty in Boulder, CO — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1558946533 |
| 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