Quick answers
- Which hospitals does Carl R. Gray work at?
- Medicare's official clinician data lists Carl R. Gray at 5 hospitals: Brigham City Community Hospital, Holy Cross Hospital-Davis, Intermountain Health Layton Hospital, Intermountain Health McKay-Dee Hospital and Ogden Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Carl R. Gray see patients?
- Medicare's clinician data lists 1 practice location in Ogden, UT. Call before your visit to confirm the address.
- What is Carl R. Gray's specialty?
- Medicare lists Hematology as the primary specialty, and also Hematology/Oncology.
- Does Carl R. Gray accept Medicare assignment?
- Yes. Medicare's clinician data says Carl R. Gray 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 Carl R. Gray?
- (801) 476-1777, as listed in official Medicare / NPI Registry data.
- What is Carl R. Gray's NPI number?
- 1598873382. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Carl R. Gray works
Medicare's Facility Affiliation Data lists Carl R. Gray at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Brigham City Community HospitalBrigham City, UT · Acute Care Hospital · CCN 460017
- Holy Cross Hospital-DavisLayton, UT · Acute Care Hospital · CCN 460041
- Intermountain Health Layton HospitalLayton, UT · Acute Care Hospital · CCN 460061
- Intermountain Health McKay-Dee HospitalOgden, UT · Acute Care Hospital · CCN 460004
- Ogden Regional Medical CenterOgden, UT · Acute Care Hospital · CCN 460005
Practice locations
Addresses where Carl R. Gray is enrolled with Medicare (CMS data updated 2026-10-02).
- 5290 S 400Ogden, UT 84405 (801) 476‑1777
Group practices
Medicare enrollment lists Carl R. Gray as a member of this group (CMS data updated 2026-10-02).
- Ogden Clinic Specialty Services LLC132 clinicians in the group
Specialties
- Hematologyprimary
- Hematology/Oncologyalso
Other hematologists in Utah
Clinicians with the same Medicare primary specialty in Utah — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At Houston |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598873382 |
| 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