John Simmons, MD
NPI 1316444706 · Internal Medicine Physician · North Charleston, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Simmons, MD is a Internal Medicine Physician provider in North Charleston, SC (NPI 1316444706).
Provider details
- NPI number
- 1316444706
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
845 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 394 | $74 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 183 | $111 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 95 | $162 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 87 | $106 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 44 | $76 |
| Advance Care Planning, First 30 Minutes99497 | 42 | $71 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-11
- Last updated
- 2023-09-14
- Certified
- 2023-09-14
Frequently asked questions
- What is John Simmons's NPI number?
- John Simmons's National Provider Identifier (NPI) is 1316444706, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Simmons's specialty?
- John Simmons is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Simmons located?
- John Simmons's practice location on file with NPPES is 9330 Medical Plaza Dr, North Charleston, SC 29406-9104.
- What is John Simmons's phone number?
- The practice phone number listed in the NPPES registry for John Simmons is (843) 797-7000.
- Does John Simmons accept Medicare?
- John Simmons is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Simmons's NPI active?
- Yes — John Simmons's NPI (1316444706) is active in the NPPES registry as of the last update on 2023-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.