John Porter, MD
NPI 1487636999 · Neurology Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Porter, MD is a Neurology Physician provider in Greenville, SC (NPI 1487636999).
Provider details
- NPI number
- 1487636999
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 51877 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
161 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) |
|---|---|---|
| Telehealth Consultation, Emergency Department Or Initial Inpatient, Typically 70 Minutes Or More Communicating With the Patient Via TelehealthG0427 | 45 | $187 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 42 | $121 |
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy95816 | 33 | $53 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 18 | $163 |
| Telehealth Consultation, Emergency Department Or Initial Inpatient, Typically 50 Minutes Communicating With the Patient Via TelehealthG0426 | 12 | $133 |
| Critical Care, First 30-74 Minutes99291 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$124 across 2 records (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
Additional practice locations (1)
- 131 Commonwealth Dr Ste 240Greenville, SC 29615-5194Phone: (864) 516-1170
Registry dates
- Enumerated
- 2005-11-18
- Last updated
- 2019-07-24
Frequently asked questions
- What is John Porter's NPI number?
- John Porter's National Provider Identifier (NPI) is 1487636999, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Porter's specialty?
- John Porter is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is John Porter located?
- John Porter's practice location on file with NPPES is 3 Saint Francis Dr Ste 330, Greenville, SC 29601-3972.
- What is John Porter's phone number?
- The practice phone number listed in the NPPES registry for John Porter is (864) 516-1170.
- Does John Porter accept Medicare?
- John Porter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Porter's NPI active?
- Yes — John Porter's NPI (1487636999) is active in the NPPES registry as of the last update on 2019-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.