Quick answers
- Which hospitals does Gary Dykstra work at?
- Medicare's official clinician data lists Gary Dykstra at 4 hospitals: Ascension St John Jane Phillips, Coffeyville Regional Medical Center, Inc, Labette Health and Wilson Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gary Dykstra see patients?
- Medicare's clinician data lists 5 practice locations, including Coffeyville, KS, Tulsa, OK and Caney, KS. Call before your visit to confirm the address.
- What is Gary Dykstra's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Gary Dykstra accept Medicare assignment?
- Yes. Medicare's clinician data says Gary Dykstra 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 Gary Dykstra?
- (888) 232-0336, as listed in official Medicare / NPI Registry data.
- What is Gary Dykstra's NPI number?
- 1033172192. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gary Dykstra works
Medicare's Facility Affiliation Data lists Gary Dykstra at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension St John Jane PhillipsBartlesville, OK · Acute Care Hospital · CCN 370018
- Coffeyville Regional Medical Center, IncCoffeyville, KS · Critical Access Hospital · CCN 171387
- Labette HealthParsons, KS · Acute Care Hospital · CCN 170120
- Wilson Medical CenterNeodesha, KS · Critical Access Hospital · CCN 171344
Practice locations
Addresses where Gary Dykstra is enrolled with Medicare (CMS data updated 2026-10-02).
- 1400 W 4th StCoffeyville, KS 67337 (888) 232‑0336
- 1705 E 19th StTulsa, OK 74104
- 218 W 4th AveCaney, KS 67333 (620) 879‑2182
- 3550 E Frank Phillips BlvdBartlesville, OK 74006 (918) 331‑2294
- 800 W Laurel StIndependence, KS 67301 (888) 232‑0336
Group practices
Medicare enrollment lists Gary Dykstra as a member of this group (CMS data updated 2026-10-02).
- St. John Physicians, Inc.259 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Kansas →
Other cardiologists in Kansas
Clinicians with the same Medicare primary specialty in Kansas — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Oklahoma State University College Of Osteopathic Medicine |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033172192 |
| 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