Doctor profile · Federal record
Dr. Anas Gremida, MD
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Saint Louis, MO
- NPI 1295098457
- Accepts Medicare
- MIPS 79.3 / 100 · 2023
- 18 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Barnes Jewish Hospital Plz, Div Im Gastroenterology
Saint Louis, MO 631101003
(314) 747-2066
fax (314) 362-2357 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- June 2012 — 14 yrs on file
- Profile last updated
- April 17, 2025
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Missouri #2019045759
- Medicaid
- MO #200028805
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1295098457. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
183
Distinct HCPCS
8
Medicare allowed
$26,891
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 39 | 29 | $126 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 33 | 33 | $109 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 22 | 22 | $176 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 22 | 22 | $129 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 20 | 20 | $249 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 16 | 16 | $89 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 16 | 16 | $173 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 15 | 15 | $166 |
In context: peer comparison
Among 42 peers in Saint Louis Gastroenterology Physician, average services per provider: 60. This provider delivers 3.1× the peer median.Open Payments
Industry payments received
All-time total
$142
Transactions
5
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Takeda Pharmaceuticals U.S.A., INC. | 4 | $74.47 | |
| Sandoz INC. | 1 | $67.36 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
246
Patients
110
Total drug cost
$191,884
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 94 | 92 | $1,420 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 31 | 0 | $762 |
| Omeprazole | Generic | 23 | 0 | $402 |
| Mesalamine | Generic | 22 | 0 | $20,691 |
| Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 19 | 18 | $359 |
| Humira(Cf) Pen (Adalimumab) | Brand | 16 | 0 | $165,496 |
| Mercaptopurine | Generic | 16 | 0 | $1,621 |
| Azathioprine | Generic | 14 | 0 | $920 |
| Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 11 | 0 | $213 |
Hospital affiliations
Frequently asked questions
What is Dr. Anas Gremida's medical specialty?
Dr. Anas Gremida practices Gastroenterology Physician in Saint Louis, MO.
Where does Dr. Anas Gremida practice?
Dr. Anas Gremida practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3147472066.
What is Dr. Anas Gremida's NPI?
Dr. Anas Gremida's National Provider Identifier (NPI) is 1295098457, issued by NPPES.
Does Dr. Anas Gremida accept Medicare assignment?
Yes. Dr. Anas Gremida accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anas Gremida commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43235); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.