Quick answers
- Does James R. Buckner Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says James R. Buckner Jr. 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 James R. Buckner Jr. see?
- In 2024, CMS data shows 191 Original Medicare patients and 1,230 services for James R. Buckner Jr.. This counts Original Medicare only and measures volume, not quality.
- What is James R. Buckner Jr.'s NPI number?
- 1407030349. 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 James R. Buckner Jr., 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 | 191 |
|---|---|
| Services billed to Medicare | 1,230 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)236 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)174 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)83 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)78 services
- Administration of influenza virus vaccine (G0008)34 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 cholesterol75%
- High blood pressure72%
- Arthritis41%
- Anxiety34%
- Chronic kidney disease32%
- Diabetes28%
Hospitals where James R. Buckner Jr. works
Medicare's Facility Affiliation Data lists James R. Buckner Jr. 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.
- Mercy Hospital LebanonLebanon, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260059
- Mercy Hospital SpringfieldSpringfield, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260065
Practice locations
Addresses where James R. Buckner Jr. is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1040 W Washington St, Mc Family Medicine MarshfieldMarshfield, MO 65706 (417) 859‑2380
- 1605 Martin Springs DrRolla, MO 65401
- 199 Johnstown DrRogersville, MO 65742 (417) 753‑7770
- 2115 S Fremont Ave, 3050 Mc Infectious Disease WhitesideSpringfield, MO 65804 (417) 820‑3905
- 363 E Old Route 66, Mc Family Medicine StraffordStrafford, MO 65757 (417) 736‑9175
Group practices
Medicare enrollment lists James R. Buckner Jr. as a member of this group (CMS data updated October 2, 2026).
- Mercy Clinic Springfield Communities1,120 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Other clinicians in Mercy Clinic Springfield Communities
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1407030349 |
| 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