Doctor profile · Federal record
Dr. Lawrence Bassin, MD
Gastroenterology Physician (CMS: Gastroenterology) · Rockville, MD
- NPI 1215921473
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
14955 Shady Grove RD, Suite 150
Rockville, MD 208508700
(301) 340-3252
fax (301) 340-1423
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- March 4, 2013
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Maryland #D0059854
- Medicaid
- MD #2614000
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1215921473. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
11,247
Distinct HCPCS
10
Medicare allowed
$406,056
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3380 |
Injection, vedolizumab, 1 mg | 8,100 | 13 | $22 | |
J1745 |
Injection, infliximab, excludes biosimilar, 10 mg | 2,090 | 13 | $33 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 289 | 212 | $142 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 157 | 156 | $276 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 151 | 149 | $108 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 94 | 94 | $121 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 68 | 66 | $99 | |
96413 |
Administration of chemotherapy into vein, 1 hour or less | 53 | 27 | $156 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 52 | 52 | $198 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 44 | 44 | $118 |
In context: peer comparison
Among 13 peers in Rockville Gastroenterology Physician, average services per provider: 222. This provider delivers 51× the peer median.Open Payments
Industry payments received
All-time total
$1,804
Transactions
69
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 12 | $381.01 | |
| Takeda Pharmaceuticals U.S.A., INC. | 14 | $235.66 | |
| Celltrion USA INC. | 5 | $181.17 | |
| Phathom Pharmaceuticals, INC. | 4 | $166.50 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 9 | $136.99 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $119.70 | |
| Regeneron Healthcare Solutions, INC. | 5 | $103.50 | |
| Qol Medical, LLC | 3 | $81.81 | |
| Pfizer INC. | 4 | $73.29 | |
| Celgene Corporation | 4 | $69.77 | |
| Ipsen Biopharmaceuticals, INC | 2 | $54.90 | |
| Ardelyx, INC. | 2 | $48.36 | |
| Janssen Biotech, INC. | 2 | $46.62 | |
| Intercept Pharmaceuticals, INC. | 1 | $25.00 | |
| Genzyme Corporation | 1 | $24.04 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
557
Patients
216
Total drug cost
$139,168
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 194 | 75 | $4,791 |
| Famotidine | Generic | 99 | 48 | $2,294 |
| Pantoprazole Sodium | Generic | 76 | 28 | $1,691 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 53 | 53 | $8,675 |
| Dicyclomine Hcl | Generic | 31 | 12 | $418 |
| Xifaxan (Rifaximin) | Brand | 21 | 0 | $48,064 |
| Linzess (Linaclotide) | Brand | 19 | 0 | $29,654 |
| Esomeprazole Magnesium | Generic | 18 | 0 | $1,669 |
| Creon (Lipase/Protease/Amylase) | Brand | 12 | 0 | $25,544 |
| Desipramine Hcl | Generic | 12 | 0 | $664 |
Frequently asked questions
What is Dr. Lawrence Bassin's medical specialty?
Dr. Lawrence Bassin practices Gastroenterology Physician in Rockville, MD.
Where does Dr. Lawrence Bassin practice?
Dr. Lawrence Bassin practices at 14955 Shady Grove RD, Rockville, MD 208508700. Office phone: 3013403252.
What is Dr. Lawrence Bassin's NPI?
Dr. Lawrence Bassin's National Provider Identifier (NPI) is 1215921473, issued by NPPES.
Does Dr. Lawrence Bassin accept Medicare assignment?
Yes. Dr. Lawrence Bassin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lawrence Bassin commonly perform?
Top Medicare-reported procedures in 2023: Injection, vedolizumab, 1 mg (HCPCS J3380); Injection, infliximab, excludes biosimilar, 10 mg (HCPCS J1745); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.