Doctor profile · Federal record
Dr. Osama Altayar, MD
Gastroenterology Physician (CMS: Gastroenterology) · Saint Louis, MO
- NPI 1831536176
- Accepts Medicare
- MIPS 79.3 / 100 · 2023
- 15 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
- May 2013 — 13 yrs on file
- Profile last updated
- April 15, 2025
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Missouri #2018004575
- Medicaid
- MO #200064237
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831536176. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
283
Distinct HCPCS
9
Medicare allowed
$36,152
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 61 | 56 | $87 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 61 | 53 | $125 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 43 | 42 | $109 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 30 | 30 | $143 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 25 | 25 | $129 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 19 | 19 | $242 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 18 | 17 | $110 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 15 | 14 | $177 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $155 |
In context: peer comparison
Among 42 peers in Saint Louis Gastroenterology Physician, average services per provider: 60. This provider delivers 4.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
489
Patients
97
Total drug cost
$102,895
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 83 | 26 | $2,239 |
| Linzess (Linaclotide) | Brand | 75 | 18 | $44,577 |
| Pantoprazole Sodium | Generic | 58 | 13 | $619 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 42 | 40 | $693 |
| Motegrity (Prucalopride Succinate) | Brand | 34 | 0 | $22,280 |
| Esomeprazole Magnesium | Generic | 33 | 0 | $1,266 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 22 | 0 | $2,050 |
| Famotidine | Generic | 22 | 0 | $274 |
| Nortriptyline Hcl | Generic | 21 | 0 | $303 |
| Colestipol Hcl | Generic | 20 | 0 | $2,407 |
Hospital affiliations
Frequently asked questions
What is Dr. Osama Altayar's medical specialty?
Dr. Osama Altayar practices Gastroenterology Physician in Saint Louis, MO.
Where does Dr. Osama Altayar practice?
Dr. Osama Altayar practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3147472066.
What is Dr. Osama Altayar's NPI?
Dr. Osama Altayar's National Provider Identifier (NPI) is 1831536176, issued by NPPES.
Does Dr. Osama Altayar accept Medicare assignment?
Yes. Dr. Osama Altayar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Osama Altayar 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.