Quick answers
- Which hospitals does Gregory A. Stynowick work at?
- Medicare's official clinician data lists Gregory A. Stynowick at 5 hospitals: Alton Memorial Hospital, Anderson Hospital, Christian Hospital Northeast, Mercy Hospital St Louis and SSM Health Depaul Hospital St Louis. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory A. Stynowick see patients?
- Medicare's clinician data lists 2 practice locations, including Florissant, MO. Call before your visit to confirm the address.
- What is Gregory A. Stynowick's specialty?
- Medicare lists Interventional Pain Management as the primary specialty.
- Does Gregory A. Stynowick accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory A. Stynowick 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 Gregory A. Stynowick's NPI number?
- 1437256542. 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 A. Stynowick works
Medicare's Facility Affiliation Data lists Gregory A. Stynowick at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alton Memorial HospitalAlton, IL · Acute Care Hospital · CCN 140002
- Anderson HospitalMaryville, IL · Acute Care Hospital · CCN 140289
- Christian Hospital NortheastSaint Louis, MO · Acute Care Hospital · CCN 260180
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
- SSM Health Depaul Hospital St LouisBridgeton, MO · Acute Care Hospital · CCN 260104
Practice locations
Addresses where Gregory A. Stynowick is enrolled with Medicare (CMS data updated 2026-10-02).
- 6829 Parker RdFlorissant, MO 63033
- 6829 Parker Rd, Suite AFlorissant, MO 63033
Group practices
Medicare enrollment lists Gregory A. Stynowick as a member of this group (CMS data updated 2026-10-02).
- Pain Management Medical Center, LLC2 clinicians in the group
Specialties
Find other Interventional Pain Management doctors in Missouri →
Other interventional pain specialists in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Missouri, Kansas City, School Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437256542 |
| 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