Quick answers
- Does John M. Simmons Iv accept Medicare assignment?
- Yes. Medicare's clinician data says John M. Simmons Iv 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 John M. Simmons Iv see?
- In 2024, CMS data shows 320 Original Medicare patients and 848 services for John M. Simmons Iv. This counts Original Medicare only and measures volume, not quality.
- What is John M. Simmons Iv's NPI number?
- 1316444706. 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 John M. Simmons Iv, 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 | 320 |
|---|---|
| Services billed to Medicare | 848 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)394 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)183 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)95 services
- Hospital discharge day management, more than 30 minutes (99239)87 services
- Hospital discharge day management, 30 minutes or less (99238)44 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%
- Chronic kidney disease58%
- Diabetes52%
- Arthritis50%
- Heart failure50%
Hospitals where John M. Simmons Iv works
Medicare's Facility Affiliation Data lists John M. Simmons Iv 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.
- Colleton Medical CenterWalterboro, SC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 420030
- MUSC Medical CenterCharleston, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420004
- Trident Medical CenterCharleston, SC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 420079
Practice locations
Addresses where John M. Simmons Iv is enrolled with Medicare (CMS data updated October 2, 2026).
- 1200 Hospital DrMt Pleasant, SC 29464 (843) 375‑4000
- 295 Midland PkwySummerville, SC 29485 (843) 847‑4559
- 9330 Medical Plaza DrCharleston, SC 29406 (843) 847‑4559
Group practices
Medicare enrollment lists John M. Simmons Iv as a member of these groups (CMS data updated October 2, 2026).
- Southeastern Hospitalist Services PC297 clinicians in the group
- Charleston-AMG Specialty Hospital Inc17 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Mt Pleasant
Clinicians with the same Medicare primary specialty in Mt Pleasant, SC — not a recommendation.
Other clinicians in Southeastern Hospitalist Services PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Florida State University College Of Medicine |
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316444706 |
| 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