Quick answers
- Does Holland Haynie accept Medicare assignment?
- Yes. Medicare's clinician data says Holland Haynie 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 Holland Haynie see?
- In 2024, CMS data shows 17 Original Medicare patients and 112 services for Holland Haynie. This counts Original Medicare only and measures volume, not quality.
- What is Holland Haynie's NPI number?
- 1154419182. 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 Holland Haynie, 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 | 17 |
|---|---|
| Services billed to Medicare | 112 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 63 |
Hospitals where Holland Haynie works
Medicare's Facility Affiliation Data lists Holland Haynie 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.
- Lake Regional Health SystemOsage Beach, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260186
Practice locations
Addresses where Holland Haynie is enrolled with Medicare (CMS data updated October 2, 2026).
- 1652 N Business Route 5Camdenton, MO 65020 (877) 406‑2662
- 304 W Washington AveRichland, MO 65556 (573) 836‑7053
- 3870 Columbia AveOsage Beach, MO 65065 (877) 406‑2662
- 931 Hwy DOsage Beach, MO 65065 (877) 406‑2661
Group practices
Medicare enrollment lists Holland Haynie as a member of this group (CMS data updated October 2, 2026).
- Richland Medical Center, Inc.29 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Camdenton
Clinicians with the same Medicare primary specialty in Camdenton, MO — not a recommendation.
Other clinicians in Richland Medical Center, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2004 (22 years since medical school) |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154419182 |
| 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