Doctor profile · Federal record
Dr. Samuel Kallus, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Washington, DC
- NPI 1558660761
- Accepts Medicare
- 15 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3800 Reservoir RD Nw, Dept of Medicine
Washington, DC 200072113
(202) 444-8168
fax (877) 303-1460 - Mailing address
-
2150 Pennsylvania Avenue, Nw, Department of Medicine
Washington, DC 20037
Credentials & registration
- NPI registered
- March 2011 — 15 yrs on file
- Profile last updated
- May 10, 2018
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- District of Columbia #MD040964
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558660761. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,285
Distinct HCPCS
10
Medicare allowed
$183,420
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3380 |
Injection, vedolizumab, 1 mg | 3,600 | 11 | $22 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 163 | 127 | $103 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 143 | 139 | $280 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 89 | 65 | $146 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 71 | 71 | $127 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 59 | 59 | $123 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 51 | 48 | $97 | |
99202 |
New patient office or other outpatient visit, 15-29 minutes | 44 | 44 | $84 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 24 | 24 | $190 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 16 | 16 | $206 |
In context: peer comparison
Among 24 peers in Washington Gastroenterology Physician, average services per provider: 72. This provider delivers 60× the peer median.Open Payments
Industry payments received
All-time total
$2,310
Transactions
92
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 23 | $665.21 | |
| Celgene Corporation | 18 | $359.82 | |
| Pfizer INC. | 13 | $280.79 | |
| Takeda Pharmaceuticals U.S.A., INC. | 10 | $277.06 | |
| Celltrion USA INC. | 9 | $223.68 | |
| Janssen Scientific Affairs, LLC | 1 | $118.67 | |
| Janssen Biotech, INC. | 4 | $93.74 | |
| Lilly USA, LLC | 4 | $82.46 | |
| Qol Medical, LLC | 2 | $46.19 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 2 | $39.34 | |
| Ironwood Pharmaceuticals, INC | 2 | $38.70 | |
| Genzyme Corporation | 1 | $25.00 | |
| Intercept Pharmaceuticals, INC. | 1 | $24.98 | |
| Ardelyx, INC. | 1 | $17.65 | |
| Regeneron Healthcare Solutions, INC. | 1 | $17.20 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
114
Patients
58
Total drug cost
$92,229
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 31 | 15 | $733 |
| Creon (Lipase/Protease/Amylase) | Brand | 27 | 0 | $85,000 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 25 | 24 | $4,262 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 20 | 19 | $1,615 |
| Pantoprazole Sodium | Generic | 11 | 0 | $618 |
Frequently asked questions
What is Dr. Samuel Kallus's medical specialty?
Dr. Samuel Kallus practices Gastroenterology Physician in Washington, DC.
Where does Dr. Samuel Kallus practice?
Dr. Samuel Kallus practices at 3800 Reservoir RD Nw, Washington, DC 200072113. Office phone: 2024448168.
What is Dr. Samuel Kallus's NPI?
Dr. Samuel Kallus's National Provider Identifier (NPI) is 1558660761, issued by NPPES.
Does Dr. Samuel Kallus accept Medicare assignment?
Yes. Dr. Samuel Kallus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Samuel Kallus commonly perform?
Top Medicare-reported procedures in 2023: Injection, vedolizumab, 1 mg (HCPCS J3380); Established patient office or other outpatient visit (HCPCS 99213); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.