Doctor profile · Federal record
Dr. William Lou, MD
Gastroenterology Physician (CMS: Gastroenterology) · Lawrenceville, NJ
- NPI 1306930920
- Accepts Medicare
- 47 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
183 Franklin Corner Road
Lawrenceville, NJ 086482555
(609) 896-0622
fax (609) 896-0069
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1979 — 47 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New Jersey #MA46260
- Medicaid
- NJ #6093701
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1306930920. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
233
Distinct HCPCS
7
Medicare allowed
$35,852
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 63 | 48 | $134 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 62 | 48 | $190 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 47 | 34 | $96 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 18 | 18 | $175 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 17 | 17 | $176 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 13 | 13 | $145 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 13 | 13 | $233 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 62. This provider delivers 3.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
496
Patients
228
Total drug cost
$63,234
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 88 | 39 | $1,169 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 80 | 78 | $5,876 |
| Pantoprazole Sodium | Generic | 62 | 17 | $672 |
| Linzess (Linaclotide) | Brand | 48 | 22 | $32,861 |
| Famotidine | Generic | 28 | 18 | $495 |
| Hydrocortisone | Generic | 26 | 0 | $309 |
| Suprep (Sodium, Potassium,mag Sulfates) | Brand | 26 | 25 | $3,107 |
| Sucralfate | Generic | 25 | 13 | $710 |
| Esomeprazole Magnesium | Generic | 21 | 0 | $670 |
| Lactulose | Generic | 19 | 0 | $764 |
Frequently asked questions
What is Dr. William Lou's medical specialty?
Dr. William Lou practices Gastroenterology Physician in Lawrenceville, NJ.
Where does Dr. William Lou practice?
Dr. William Lou practices at 183 Franklin Corner Road, Lawrenceville, NJ 086482555. Office phone: 6098960622.
What is Dr. William Lou's NPI?
Dr. William Lou's National Provider Identifier (NPI) is 1306930920, issued by NPPES.
Does Dr. William Lou accept Medicare assignment?
Yes. Dr. William Lou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Lou commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.