Doctor profile · Federal record
Dr. Kellen Jex, MD
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Internal Medicine Physician · Gastroenterology Physician · Natchez, MS
- NPI 1952698532
- 15 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
136 Jeff Davis Blvd, Ste B
Natchez, MS 39120
(601) 492-2224
fax (601) 492-2231
Credentials & registration
- NPI registered
- July 2011 — 15 yrs on file
- Profile last updated
- April 9, 2025
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Mississippi #23270 · Louisiana #207975
- Medicaid (2)
- LA #2390007 · MS #03506041
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952698532. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,729
Distinct HCPCS
10
Medicare allowed
$196,868
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 563 | 367 | $82 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 330 | 244 | $116 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 192 | 182 | $69 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 156 | 155 | $226 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 122 | 122 | $152 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 74 | 74 | $120 | |
43248 |
Insertion of guide wire with dilation of esophagus using a flexible endoscope | 58 | 58 | $132 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 40 | 21 | $46 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 39 | 39 | $118 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 34 | 33 | $152 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 108. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$2,234
Transactions
73
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Phathom Pharmaceuticals, Inc. | 8 | $1,164.23 | |
| ABBVIE INC. | 35 | $520.23 | |
| AIMMUNE THERAPEUTICS, INC. | 7 | $133.66 | |
| Janssen Biotech, Inc. | 5 | $86.51 | |
| Ardelyx, Inc. | 4 | $65.18 | |
| GENZYME CORPORATION | 3 | $59.28 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 3 | $54.13 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 3 | $52.37 | |
| Regeneron Healthcare Solutions, Inc. | 2 | $40.18 | |
| Intercept Pharmaceuticals, Inc. | 1 | $21.81 | |
| QOL Medical, LLC | 1 | $19.78 | |
| Madrigal Pharmaceuticals | 1 | $16.35 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,097
Patients
893
Total drug cost
$735,250
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 1,308 | 427 | $22,655 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 126 | 115 | $22,141 |
| Famotidine | Generic | 124 | 51 | $3,214 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 119 | 116 | $9,287 |
| Creon (Lipase/Protease/Amylase) | Brand | 63 | 22 | $176,416 |
| Linzess (Linaclotide) | Brand | 59 | 25 | $49,213 |
| Colestipol Hcl | Generic | 44 | 18 | $2,783 |
| Humira(Cf) Pen (Adalimumab) | Brand | 42 | 0 | $431,279 |
| Omeprazole | Generic | 34 | 14 | $275 |
| Suprep (Sodium, Potassium,mag Sulfates) | Brand | 34 | 32 | $4,005 |
Hospital affiliations
Frequently asked questions
What is Dr. Kellen Jex's medical specialty?
Dr. Kellen Jex practices Gastroenterology Physician in Natchez, MS.
Where does Dr. Kellen Jex practice?
Dr. Kellen Jex practices at 136 Jeff Davis Blvd, Natchez, MS 39120. Office phone: 6014922224.
What is Dr. Kellen Jex's NPI?
Dr. Kellen Jex's National Provider Identifier (NPI) is 1952698532, issued by NPPES.
Does Dr. Kellen Jex accept Medicare assignment?
Dr. Kellen Jex does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Kellen Jex commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.