Doctor profile · Federal record

Dr. Jason Gunn

Critical Care Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Charleston, SC

  • NPI 1386760080
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 17 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
125 Doughty St Ste 200
Charleston, SC 294035727
(843) 577-6791
fax (843) 577-0553
Additional location
316 Calhoun St
Charleston, SC 294011113
(843) 724-2450
fax (843) 724-2455

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
November 20, 2020
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (2)
South Carolina #31487 · North Carolina #2014-01042
Medicaid
SC #314877

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386760080. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,119
Distinct HCPCS
10
Medicare allowed
$195,335
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 585 474 $85
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 344 171 $76
99203 New patient office or other outpatient visit, 30-44 minutes 250 250 $106
G0399 Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation 200 197 $80
99214 Established patient office or other outpatient visit, 30-39 minutes 89 82 $122
99291 Critical care, first 30-74 minutes 84 52 $203
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 81 56 $114
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 70 69 $167
96372 Injection of drug or substance under skin or into muscle 67 17 $12
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 60 16 $47

In context: peer comparison

Among 12 peers in this city , average services per provider: 74. This provider delivers 29× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$214
Transactions
8
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Axsome Therapeutics, Inc. 4 $111.00
Inspire Medical Systems, Inc. 1 $56.55
HARMONY BIOSCIENCES LLC 1 $34.09
INOGEN, INC. 2 $12.61

By nature of payment

Food and Beverage
$214

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
736
Patients
154
Total drug cost
$412,317
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 194 64 $6,830
Symbicort (Budesonide/Formoterol Fumarate) Brand 76 22 $34,845
Fluticasone-Salmeterol (Fluticasone Propion/Salmeterol) Brand 57 11 $16,025
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 56 16 $59,261
Prednisone Generic 51 27 $349
Xolair (Omalizumab) Brand 51 0 $206,641
Spiriva Respimat (Tiotropium Bromide) Brand 39 0 $25,343
Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) Brand 37 0 $30,162
Montelukast Sodium Generic 35 14 $559
Gabapentin Generic 30 0 $679

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jason Gunn's medical specialty?
Dr. Jason Gunn practices Critical Care Medicine (Internal Medicine) Physician in Charleston, SC.
Where does Dr. Jason Gunn practice?
Dr. Jason Gunn practices at 125 Doughty St Ste 200, Charleston, SC 294035727. Office phone: 8435776791.
What is Dr. Jason Gunn's NPI?
Dr. Jason Gunn's National Provider Identifier (NPI) is 1386760080, issued by NPPES.
Does Dr. Jason Gunn accept Medicare assignment?
Yes. Dr. Jason Gunn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jason Gunn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.