Quick answers
- Which hospitals does Eric J. Keyser work at?
- Medicare's official clinician data lists Eric J. Keyser at 3 hospitals: Adventist Health and Rideout, Cheyenne Regional Medical Center and Halifax Health Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Eric J. Keyser see patients?
- Medicare's clinician data lists 4 practice locations, including Yuba City, CA, Cheyenne, WY and Daytona Bch, FL. Call before your visit to confirm the address.
- What is Eric J. Keyser's specialty?
- Medicare lists Cardiac Surgery as the primary specialty.
- Does Eric J. Keyser accept Medicare assignment?
- Yes. Medicare's clinician data says Eric J. Keyser 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 Eric J. Keyser?
- (530) 671-8718, as listed in official Medicare / NPI Registry data.
- What is Eric J. Keyser's NPI number?
- 1083723803. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Eric J. Keyser works
Medicare's Facility Affiliation Data lists Eric J. Keyser at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health and RideoutMarysville, CA · Acute Care Hospital · CCN 050133
- Cheyenne Regional Medical CenterCheyenne, WY · Acute Care Hospital · CCN 530014
- Halifax Health Medical CenterDaytona Beach, FL · Acute Care Hospital · CCN 100017
Practice locations
Addresses where Eric J. Keyser is enrolled with Medicare (CMS data updated 2026-10-02).
- 1007 Live Oak Blvd, Suite B2Yuba City, CA 95991 (530) 671‑8718
- 2301 House AveCheyenne, WY 82001
- 303 N Clyde Morris BlvdDaytona Bch, FL 32114 (386) 254‑4000
- 4116 Laramie StCheyenne, WY 82001 (307) 635‑7961
Group practices
Medicare enrollment lists Eric J. Keyser as a member of these groups (CMS data updated 2026-10-02).
- Adventist Health Physicians Network628 clinicians in the group
- Halifax Healthcare Systems Inc356 clinicians in the group
- Cheyenne Regional Physicians Group LLC103 clinicians in the group
Specialties
- Cardiac Surgeryprimary
Other cardiac surgeons in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | McGill University, Faculty Of Medicine |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083723803 |
| 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