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Edit this profileWhere to find Gregory S. Day, MD
- Jacksonville location main office
4500 San Pablo Rd S, Jacksonville, FL 32224 - Saint Louis location
12634 Olive Blvd, Saint Louis, MO 63141
About Dr. Day
Gregory S. Day, MD practices neurology in Jacksonville, FL. Medicare claims data shows Gregory provided 323 services to 288 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, and prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or. The provider's National Provider Identifier (NPI) is 1962880757.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (904) 953-2000
- Email not available
Practice Locations
4500 SAN PABLO RD S
Jacksonville, FL 32224
12634 Olive Blvd
Saint Louis, MO 63141
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
Memory and cognition
Movement disorders
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
323 services · 288 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cerebrospinal fluid with lower back spinal tap for diagnostic test | Procedure | 62270 |
19 | As often as other peers in Neurology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
95 | More often than most peers in Neurology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
90 | More often than most peers in Neurology |
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Billing code | G2212 |
68 | More often than most peers in Neurology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
23 | Less often than most peers in Neurology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
17 | Less often than most peers in Neurology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
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.
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 Jacksonville 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 9 related providers in 2 groups
Class of 2009 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cerebrospinal fluid with lower back spinal tap for diagnostic test 1
Providers in FL who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Day?
Dr. Day is a neurologist in Jacksonville, FL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
What is Dr. Day's address?
Dr. Day is listed at 4500 San Pablo Rd S, Jacksonville, FL 32224. 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. Day?
The number on file is (904) 953-2000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Day?
Dr. Day's National Provider Identifier is 1962880757. 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. Day train?
Dr. Day attended Other, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Day have?
Dr. Day has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Day perform?
According to Medicare billing data, Dr. Day performs procedures including removal of cerebrospinal fluid with lower back spinal tap for diagnostic test, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Day's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Day. If this is you, claiming it is free.
Guide.md
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