Doctor profile · Federal record

Dr. John Porter, MD

Neurology Physician (CMS: Neurology) · Greenville, SC

  • NPI 1487636999
  • Accepts Medicare
  • 55 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3 Saint Francis Dr Ste 330
Greenville, SC 296013972
(864) 516-1170
Additional location
131 Commonwealth Dr Ste 240
Greenville, SC 296155194
Mailing address
131 Commonwealth Dr Ste 240
Greenville, SC 296155194

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
July 24, 2019
Year of graduation
1971 — 55 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
South Carolina #51877

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487636999. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
325
Distinct HCPCS
9
Medicare allowed
$38,526
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 78 77 $124
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 56 46 $75
G0426 Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth 45 45 $124
G0427 Telehealth consultation, emergency department or initial inpatient, typically 70 minutes or more communicating with the patient via telehealth 45 45 $174
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 28 28 $156
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 26 22 $47
99291 Critical care, first 30-74 minutes 20 20 $196
95816 Measurement of brain wave activity (eeg), awake and drowsy 15 15 $53
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 12 12 $79

In context: peer comparison

Among 17 peers in this city , average services per provider: 255. This provider delivers 1.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$124
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Chiesi USA, Inc. 2 $124.47

By nature of payment

Food and Beverage
$124

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Porter's medical specialty?
Dr. John Porter practices Neurology Physician in Greenville, SC.
Where does Dr. John Porter practice?
Dr. John Porter practices at 3 Saint Francis Dr Ste 330, Greenville, SC 296013972. Office phone: 8645161170.
What is Dr. John Porter's NPI?
Dr. John Porter's National Provider Identifier (NPI) is 1487636999, issued by NPPES.
Does Dr. John Porter accept Medicare assignment?
Yes. Dr. John Porter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Porter commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth (HCPCS G0426). Source: CMS Medicare Physician & Other Practitioners file.