Doctor profile · Federal record
Dr. Wallace Wang, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · New York, NY
- NPI 1598924805
- 19 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
17 Elizabeth St, Suite 608
New York, NY 100134803
(212) 219-8031
fax (212) 219-3903
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- January 3, 2017
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New York #257569
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598924805. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
312
Distinct HCPCS
9
Medicare allowed
$48,932
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 76 | 75 | $149 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 67 | 53 | $138 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 35 | 35 | $122 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 31 | 31 | $273 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 31 | 29 | $98 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 21 | 21 | $204 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 18 | 18 | $122 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 18 | 18 | $180 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 15 | 14 | $193 |
In context: peer comparison
Among 165 peers in this city , average services per provider: 69. This provider delivers 4.5× the peer median.Open Payments
Industry payments received
All-time total
$24,232
Transactions
67
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, Inc. | 38 | $23,478.61 | |
| Phathom Pharmaceuticals, Inc. | 10 | $262.73 | |
| Ardelyx, Inc. | 8 | $196.23 | |
| Madrigal Pharmaceuticals | 3 | $106.11 | |
| ABBVIE INC. | 3 | $76.37 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 3 | $65.05 | |
| Janssen Biotech, Inc. | 1 | $24.47 | |
| VIVUS LLC | 1 | $22.52 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,680
Patients
538
Total drug cost
$358,474
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Famotidine | Generic | 609 | 167 | $7,682 |
| Omeprazole | Generic | 420 | 161 | $4,504 |
| Pantoprazole Sodium | Generic | 218 | 65 | $1,886 |
| Vemlidy (Tenofovir Alafenamide) | Brand | 86 | 12 | $147,176 |
| Esomeprazole Magnesium | Generic | 76 | 23 | $4,804 |
| Linzess (Linaclotide) | Brand | 47 | 13 | $32,743 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 46 | 45 | $7,841 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 35 | 0 | $10,055 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 34 | 33 | $568 |
| Creon (Lipase/Protease/Amylase) | Brand | 22 | 0 | $63,363 |
Frequently asked questions
What is Dr. Wallace Wang's medical specialty?
Dr. Wallace Wang practices Gastroenterology Physician in New York, NY.
Where does Dr. Wallace Wang practice?
Dr. Wallace Wang practices at 17 Elizabeth St, New York, NY 100134803. Office phone: 2122198031.
What is Dr. Wallace Wang's NPI?
Dr. Wallace Wang's National Provider Identifier (NPI) is 1598924805, issued by NPPES.
Does Dr. Wallace Wang accept Medicare assignment?
Dr. Wallace Wang does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Wallace Wang commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.