Quick answers
- Does Douglas J. Gruenbacher accept Medicare assignment?
- Yes. Medicare's clinician data says Douglas J. Gruenbacher accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Douglas J. Gruenbacher see?
- In 2024, CMS data shows 33 Original Medicare patients and 138 services for Douglas J. Gruenbacher. This counts Original Medicare only and measures volume, not quality.
- What is Douglas J. Gruenbacher's NPI number?
- 1376597872. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Douglas J. Gruenbacher, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 33 |
|---|---|
| Services billed to Medicare | 138 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 82 |
Most frequent services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)72 services
- Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)20 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis75%
- Chronic kidney disease55%
- Depression52%
- Heart failure48%
Hospitals where Douglas J. Gruenbacher works
Medicare's Facility Affiliation Data lists Douglas J. Gruenbacher at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Gove County Medical CenterQuinter, KS · Critical Access Hospital · Emergency services: listed by Medicare · CCN 171367
- Hays Medical CenterHays, KS · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 170013
- Logan County HospitalOakley, KS · Critical Access Hospital · Emergency services: listed by Medicare · CCN 171326
- Sheridan County HospitalHoxie, KS · Critical Access Hospital · Emergency services: listed by Medicare · CCN 171347
Practice locations
Addresses where Douglas J. Gruenbacher is enrolled with Medicare (CMS data updated October 2, 2026).
- 520 W 5th StQuinter, KS 67752 (785) 754‑3341
Group practices
Medicare enrollment lists Douglas J. Gruenbacher as a member of this group (CMS data updated October 2, 2026).
- Gove County Medical Center6 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Quinter
Clinicians with the same Medicare primary specialty in Quinter, KS — not a recommendation.
Other clinicians in Gove County Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376597872 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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