Doctor profile · Federal record
Dr. Ernest Weeks, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Flowood, MS
- NPI 1134330822
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 20 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2510 Lakeland Dr
Flowood, MS 392329513
(601) 355-1234
fax (601) 326-3559 - Additional location
-
971 Lakeland Dr Ste 250
Jackson, MS 392164620
(601) 200-5550
fax (601) 200-4887
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- January 22, 2026
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Mississippi #20530
- Medicaid
- MS #02420704
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134330822. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
11,326
Distinct HCPCS
10
Medicare allowed
$400,747
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3380 |
Injection, vedolizumab, 1 mg | 6,030 | 11 | $22 | |
J1745 |
Injection, infliximab, excludes biosimilar, 10 mg | 2,896 | 20 | $33 | |
99439 |
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 733 | 64 | $42 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 412 | 65 | $57 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 140 | 136 | $224 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 116 | 90 | $115 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 107 | 105 | $61 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 96 | 67 | $74 | |
99454 |
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | 89 | 16 | $42 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 87 | 87 | $109 |
In context: peer comparison
Among 14 peers in this city , average services per provider: 296. This provider delivers 38× the peer median.Open Payments
Industry payments received
All-time total
$543
Transactions
20
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, Inc. | 1 | $133.13 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 3 | $87.39 | |
| Phathom Pharmaceuticals, Inc. | 4 | $82.41 | |
| Celgene Corporation | 2 | $59.38 | |
| ABBVIE INC. | 3 | $56.62 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 3 | $50.04 | |
| IRONWOOD PHARMACEUTICALS, INC | 2 | $35.86 | |
| Daiichi Sankyo Inc. | 1 | $21.48 | |
| Merck Sharp & Dohme LLC | 1 | $16.83 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
940
Patients
479
Total drug cost
$132,790
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 334 | 123 | $7,008 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 135 | 126 | $3,150 |
| Pantoprazole Sodium | Generic | 105 | 43 | $2,794 |
| Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 82 | 79 | $1,531 |
| Dicyclomine Hcl | Generic | 44 | 21 | $769 |
| Linzess (Linaclotide) | Brand | 41 | 15 | $43,838 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 38 | 35 | $5,971 |
| Sucralfate | Generic | 35 | 21 | $3,190 |
| Furosemide | Generic | 23 | 0 | $180 |
| Famotidine | Generic | 21 | 0 | $516 |
Hospital affiliations
Frequently asked questions
What is Dr. Ernest Weeks's medical specialty?
Dr. Ernest Weeks practices Gastroenterology Physician in Flowood, MS.
Where does Dr. Ernest Weeks practice?
Dr. Ernest Weeks practices at 2510 Lakeland Dr, Flowood, MS 392329513. Office phone: 6013551234.
What is Dr. Ernest Weeks's NPI?
Dr. Ernest Weeks's National Provider Identifier (NPI) is 1134330822, issued by NPPES.
Does Dr. Ernest Weeks accept Medicare assignment?
Yes. Dr. Ernest Weeks accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ernest Weeks commonly perform?
Top Medicare-reported procedures in 2023: Injection, vedolizumab, 1 mg (HCPCS J3380); Injection, infliximab, excludes biosimilar, 10 mg (HCPCS J1745); Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (HCPCS 99439). Source: CMS Medicare Physician & Other Practitioners file.