Quick answers
- Does William M. Rambo Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says William M. Rambo 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 William M. Rambo Jr. see?
- In 2024, CMS data shows 48 Original Medicare patients and 86 services for William M. Rambo Jr.. This counts Original Medicare only and measures volume, not quality.
- What is William M. Rambo Jr.'s NPI number?
- 1619079753. 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 William M. Rambo 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 | 48 |
|---|---|
| Services billed to Medicare | 86 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)17 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%
- Arthritis63%
- Anxiety50%
- Chronic kidney disease50%
- Heart failure50%
Hospitals where William M. Rambo Jr. works
Medicare's Facility Affiliation Data lists William M. Rambo 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 Fort SmithFort Smith, AR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 040062
- Mercy Hospital JoplinJoplin, MO · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 260001
Practice locations
Addresses where William M. Rambo Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Mercy WayJoplin, MO 64804 (417) 556‑8455
- 7001 Rogers Ave, Suite 501Fort Smith, AR 72903 (479) 573‑3101
Group practices
Medicare enrollment lists William M. Rambo Jr. as a member of these groups (CMS data updated October 2, 2026).
- Mercy Clinic Fort Smith Communities372 clinicians in the group
- Mercy Clinic Joplin LLC295 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in Joplin
Clinicians with the same Medicare primary specialty in Joplin, MO — not a recommendation.
Other clinicians in Mercy Clinic Fort Smith Communities
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical University Of South Carolina College Of Medicine |
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619079753 |
| 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