Quick answers
- Which hospitals does David Mason work at?
- Medicare's official clinician data lists David Mason at 5 hospitals: Heartland Regional Medical Center, Herrin Hospital, Marshall Browning Hospital, Memorial Hospital of Carbondale and Pinckneyville Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David Mason see patients?
- Medicare's clinician data lists 2 practice locations, including Benton, IL and Herrin, IL. Call before your visit to confirm the address.
- What is David Mason's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does David Mason accept Medicare assignment?
- Yes. Medicare's clinician data says David Mason 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 David Mason?
- (618) 439-3399, as listed in official Medicare / NPI Registry data.
- What is David Mason's NPI number?
- 1649210766. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David Mason works
Medicare's Facility Affiliation Data lists David Mason at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Heartland Regional Medical CenterMarion, IL · Acute Care Hospital · CCN 140184
- Herrin HospitalHerrin, IL · Acute Care Hospital · CCN 140011
- Marshall Browning HospitalDu Quoin, IL · Critical Access Hospital · CCN 141331
- Memorial Hospital of CarbondaleCarbondale, IL · Acute Care Hospital · CCN 140164
- Pinckneyville Community HospitalPinckneyville, IL · Critical Access Hospital · CCN 141307
Practice locations
Addresses where David Mason is enrolled with Medicare (CMS data updated 2026-10-02).
- 1104 W Main StBenton, IL 62812 (618) 439‑3399
- 510 Lincoln DrHerrin, IL 62948 (618) 997‑6800
Group practices
Medicare enrollment lists David Mason as a member of these groups (CMS data updated 2026-10-02).
- Select Physical Therapy Holdings Inc2,024 clinicians in the group
- Southern Orthopedic Associates SC30 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Benton
Clinicians with the same Medicare primary specialty in Benton, IL — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649210766 |
| 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