Quick answers
- Which hospitals does Gregory Matwiyoff work at?
- Medicare's official clinician data lists Gregory Matwiyoff at 2 hospitals: Renown Regional Medical Center and Renown South Meadows Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory Matwiyoff see patients?
- Medicare's clinician data lists 2 practice locations, including Reno, NV. Call before your visit to confirm the address.
- What is Gregory Matwiyoff's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Sleep Medicine.
- Does Gregory Matwiyoff accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory Matwiyoff 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 Gregory Matwiyoff?
- (775) 982-2280, as listed in official Medicare / NPI Registry data.
- What is Gregory Matwiyoff's NPI number?
- 1932248093. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory Matwiyoff works
Medicare's Facility Affiliation Data lists Gregory Matwiyoff at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Renown Regional Medical CenterReno, NV · Acute Care Hospital · CCN 290001
- Renown South Meadows Medical CenterReno, NV · Acute Care Hospital · CCN 290049
Practice locations
Addresses where Gregory Matwiyoff is enrolled with Medicare (CMS data updated 2026-10-02).
- 10085 Double R Blvd, Suite 325Reno, NV 89521 (775) 982‑2280
- 1500 E 2nd St, Suite 302Reno, NV 89502 (775) 982‑5000
Group practices
Medicare enrollment lists Gregory Matwiyoff as a member of this group (CMS data updated 2026-10-02).
- Community Care Services LLC641 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
- Sleep Medicinealso
Other pulmonologists in Reno
Clinicians with the same Medicare primary specialty in Reno, NV — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of New Mexico School Of Medicine |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932248093 |
| 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