Physician Profile
John ARTHUR HARRIS Porter, MD
Unclaimed ProfileAbout Dr. Porter
John ARTHUR HARRIS Porter, MD is a healthcare provider in Greenville, SC specializing in neurology. John trained at Queen's School of Medicine, graduating in 1971. Medicare claims data shows John provided 161 services to 160 patients. The services billed most often include telehealth consultation, emergency department or initial inpatient, typically 70 minutes or more communicating with the patient via telehealth, initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes, and measurement of brain wave activity (eeg), awake and drowsy.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (864) 516-1170
- Email not available
Practice Locations
3 SAINT FRANCIS DR STE 330
Greenville, SC 29601
131 Commonwealth Dr Ste 240
Greenville, SC 29615
Conditions Commonly Evaluated or Treated
Within Neurology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Headache and facial pain
- Tension headaches
- Trigeminal neuralgia
Memory and cognition
- Mild cognitive impairment
Movement disorders
- Essential tremor
- Huntington's disease
- Restless legs syndrome
Neuromuscular and peripheral nerve
- Amyotrophic lateral sclerosis
- Carpal tunnel
- Diabetic neuropathy
- Guillain-Barré syndrome
- Muscular dystrophy
- Myasthenia gravis
Seizures and epilepsy
Stroke and vascular
Brain & Spine
Brain tumors
Head & Facial Pain
Memory & Cognitive
Movement Disorders
Nerve Compression
Sleep & Movement
Spine and nerve
Spine, brain injury, and functional
Procedures & services
Most searched procedures
Consultation and testing
Consultations & Exams
Consultations and exams
Device management
Diagnostic Testing
- Cognitive and memory screening
- Genetic Testing for Neurological Disorders
- Neuromuscular Ultrasound
- Neuropsychological Testing
- Normal Pressure Hydrocephalus Tap Test
- Tilt Table Test
Infusion and medical therapies
Infusions & Therapies
- IVIG Infusion Therapy
- Migraine Preventive Injections and Infusions
- MS Disease-Modifying Infusion Therapy
- Plasmapheresis
Injections & Pain Relief
- Botox Injections for Excessive Drooling
- Botox Injections for Muscle Spasms and Dystonia
- Trigger Point Injections
Medication Management
Neuromodulation
Office procedures
Trauma & Injury
Procedures Most Often Billed to Medicare
161 services · 160 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
33 | As often as other peers in Neurology |
| Telehealth consultation, emergency department or initial inpatient, typically 70 minutes or more communicating with the patient via telehealth | Billing code | G0427 |
45 | As often as other peers in Neurology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
42 | More often than most peers in Neurology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
18 | Less often than most peers in Neurology |
| Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth | Billing code | G0426 |
12 | Less often than most peers in Neurology |
| Critical care, first 30-74 minutes | Office visit | 99291 |
11 | Less often than most peers in Neurology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other neurologists in Greenville 8
Same specialty, same city.
More connections — 9 related providers in 2 groups
Trained at Queen's School of Medicine 1
Other providers in the same specialty who trained at the same institution.
Also performs Measurement of brain wave activity (eeg), awake and drowsy 8
Providers in SC who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Porter?
Dr. Porter is a neurologist in Greenville, SC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
What is Dr. Porter's address?
Dr. Porter is listed at 3 Saint Francis Dr Ste 330, Greenville, SC 29601. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Porter?
The number on file is (864) 516-1170. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Porter?
Dr. Porter's National Provider Identifier is 1487636999. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Porter train?
Dr. Porter attended Queen's School of Medicine, graduating in 1971. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Porter have?
Dr. Porter has 55 years experience. Calculated from a graduation year of 1971, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Porter perform?
According to Medicare billing data, Dr. Porter provides treatments such as measurement of brain wave activity , awake and drowsy, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Porter's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Porter. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.