Quick answers
- Which hospitals does Dean R. Chassay work at?
- Medicare's official clinician data lists Dean R. Chassay at 1 hospital: Marshall Medical Centers. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Dean R. Chassay see patients?
- Medicare's clinician data lists 1 practice location in Guntersville, AL. Call before your visit to confirm the address.
- What is Dean R. Chassay's specialty?
- Medicare lists Anesthesiology as the primary specialty, and also Interventional Pain Management.
- Does Dean R. Chassay accept Medicare assignment?
- Yes. Medicare's clinician data says Dean R. Chassay 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 Dean R. Chassay?
- (256) 753-8090, as listed in official Medicare / NPI Registry data.
- What is Dean R. Chassay's NPI number?
- 1629030648. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Dean R. Chassay works
Medicare's Facility Affiliation Data lists Dean R. Chassay at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Marshall Medical CentersBoaz, AL · Acute Care Hospital · CCN 010005
Practice locations
Addresses where Dean R. Chassay is enrolled with Medicare (CMS data updated 2026-10-02).
- 8000 Al Hwy 69Guntersville, AL 35976 (256) 753‑8090
Group practices
Medicare enrollment lists Dean R. Chassay as a member of this group (CMS data updated 2026-10-02).
- Marshall County Anesthesiology and Pain Specialists LLC2 clinicians in the group
Specialties
- Anesthesiologyprimary
- Interventional Pain Managementalso
Other anesthesiologists in Alabama
Clinicians with the same Medicare primary specialty in Alabama — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Alabama School Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629030648 |
| 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