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Edit this profileJohnson B. Walker, MD practices critical care (intensivists) in Florence, SC. Johnson is a 2012 graduate of Jc Edwards School of Medicine, Marshall University. Johnson is also listed as specializing in surgery and trauma surgery. According to Medicare claims data, Johnson cared for 312 Medicare patients across 458 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. The provider's National Provider Identifier (NPI) is 1720347024.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
800 E CHEVES ST STE 260
Florence, SC 29506
550 S Jackson St
Louisville, KY 40202
Within Critical Care Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Blood & metabolism
Brain & nerve
Brain & Nervous System
Breathing & Lungs
Digestive emergencies
Environmental emergencies
Heart & Circulation
Heart & vascular
Infection & Sepsis
Infections
Injury & trauma
Lung & breathing
Medication reactions
Metabolic Emergencies
Muscle & kidney
Organ Failure
Pregnancy emergencies
Recovery
Substance emergencies
Toxicity & Trauma
Airway & Breathing
Airway procedures
Brain procedures
Breathing support
Consultation & Recovery
Digestive procedures
Emergency surgery
Fluid Drainage
Heart procedures
Heart support
ICU recovery
Lab tests & monitoring
Life Support
Medication therapies
Medications & Infusions
Monitoring
Nutrition & Digestion
Nutrition support
Organ Support
Vascular Access
458 services · 312 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
193 | More than most peers in Critical Care (Intensivists) |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
142 | More often than most peers in Critical Care (Intensivists) |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
73 | More than most peers in Critical Care (Intensivists) |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
29 | As often as other peers in Critical Care (Intensivists) |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
21 | As often as other peers in Critical Care (Intensivists) |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Walker is a critical care (intensivists) in Florence, SC. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Walker is listed at 800 E Cheves St Ste 260, Florence, SC 29506. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (843) 665-7941. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Walker's National Provider Identifier is 1720347024. 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
Dr. Walker attended Jc Edwards School of Medicine, Marshall University, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
Dr. Walker has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Walker the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Walker. If this is you, claiming it is free.
Guide.md
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