Doctor profile · Federal record
Dr. Andrew Stefaniwsky, M.D.
Gastroenterology Physician (CMS: Internal Medicine) · West Orange, NJ
- NPI 1811061807
- Accepts Medicare
- 49 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
745 Northfield Ave
West Orange, NJ 070521144
(973) 325-0061
fax (973) 325-0219
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- August 5, 2010
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New Jersey #MA035013
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811061807. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,458
Distinct HCPCS
10
Medicare allowed
$179,929
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 546 | 354 | $141 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 229 | 229 | $142 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 203 | 193 | $16 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 96 | 86 | $100 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 96 | 53 | $85 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 85 | 85 | $183 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 55 | 55 | $123 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 49 | 49 | $271 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 35 | 33 | $136 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 28 | 28 | $198 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 90. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$624
Transactions
40
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 13 | $184.32 | |
| Janssen Biotech, Inc. | 6 | $96.93 | |
| AIMMUNE THERAPEUTICS, INC. | 5 | $75.77 | |
| Celgene Corporation | 4 | $58.08 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 3 | $53.49 | |
| PFIZER INC. | 3 | $52.81 | |
| ABBVIE INC. | 2 | $30.45 | |
| Olympus America Inc. | 1 | $22.17 | |
| Blueprint Medicines Corporation | 1 | $17.80 | |
| Phathom Pharmaceuticals, Inc. | 1 | $17.00 | |
| Ardelyx, Inc. | 1 | $14.78 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,827
Patients
902
Total drug cost
$56,764
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 404 | 121 | $5,752 |
| Pantoprazole Sodium | Generic | 359 | 140 | $7,390 |
| Amlodipine Besylate | Generic | 287 | 81 | $3,206 |
| Alprazolam | Generic | 240 | 51 | $2,042 |
| Metformin Hcl | Generic | 213 | 62 | $2,633 |
| Valsartan | Generic | 172 | 47 | $9,232 |
| Simvastatin | Generic | 168 | 50 | $2,172 |
| Levothyroxine Sodium | Generic | 167 | 49 | $2,660 |
| Zolpidem Tartrate | Generic | 153 | 22 | $1,053 |
| Metoprolol Succinate | Generic | 130 | 40 | $3,034 |
Frequently asked questions
What is Dr. Andrew Stefaniwsky's medical specialty?
Dr. Andrew Stefaniwsky practices Gastroenterology Physician in West Orange, NJ.
Where does Dr. Andrew Stefaniwsky practice?
Dr. Andrew Stefaniwsky practices at 745 Northfield Ave, West Orange, NJ 070521144. Office phone: 9733250061.
What is Dr. Andrew Stefaniwsky's NPI?
Dr. Andrew Stefaniwsky's National Provider Identifier (NPI) is 1811061807, issued by NPPES.
Does Dr. Andrew Stefaniwsky accept Medicare assignment?
Yes. Dr. Andrew Stefaniwsky accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Stefaniwsky commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.