Quick answers
- Which hospitals does Gregory M. Wittenburg work at?
- Medicare's official clinician data lists Gregory M. Wittenburg at 2 hospitals: Centura St. Catherine-Dodge City and St. Catherine Hospital - Garden City. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory M. Wittenburg see patients?
- Medicare's clinician data lists 2 practice locations, including Dodge City, KS and Garden City, KS. Call before your visit to confirm the address.
- What is Gregory M. Wittenburg's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Gregory M. Wittenburg accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory M. Wittenburg 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 Gregory M. Wittenburg?
- (620) 224-8400, as listed in official Medicare / NPI Registry data.
- What is Gregory M. Wittenburg's NPI number?
- 1689234916. 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 M. Wittenburg works
Medicare's Facility Affiliation Data lists Gregory M. Wittenburg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Centura St. Catherine-Dodge CityDodge City, KS · Acute Care Hospital · CCN 170175
- St. Catherine Hospital - Garden CityGarden City, KS · Acute Care Hospital · CCN 170023
Practice locations
Addresses where Gregory M. Wittenburg is enrolled with Medicare (CMS data updated 2026-10-02).
- 3001 Ave ADodge City, KS 67801 (620) 224‑8400
- 401 E Spruce StGarden City, KS 67846 (620) 272‑2290
Group practices
Medicare enrollment lists Gregory M. Wittenburg as a member of this group (CMS data updated 2026-10-02).
- Vep Hutchinson Emergency Medical Group LLC20 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Dodge City
Clinicians with the same Medicare primary specialty in Dodge City, KS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Creighton University School Of Medicine |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689234916 |
| 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