Andrew Stefaniwsky, M.D.
Gastroenterology Physician · West Orange, NJ
Andrew Stefaniwsky, M.D. is a gastroenterology physician with a practice address in West Orange, New Jersey, and NPI 1811061807, issued on Nov 20, 2006. Check the license on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Andrew Stefaniwsky
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- Practice location
- 745 Northfield Ave, West Orange, NJ 07052
- Phone
- (973) 325-0061
- Enumerated
- Nov 20, 2006
- Entity
- Type 1 · individual
Also registered at 745 Northfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marie Sangosse, MDHematology & Oncology Physician1952358178
Verify Andrew Stefaniwsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
7.1 times the Medicare Part D claims of the average gastroenterology physician in 2024
6,014 Medicare Part D claims for 785 beneficiaries, against an average of 848 among the 13,066 providers of this specialty who prescribed in Part D. 39 claims were for opioids.
Most prescribed
- Atorvastatin Calcium411 claims
- Pantoprazole Sodium292 claims
- Amlodipine Besylate282 claims
- Alprazolam251 claims
- Metformin Hcl176 claims
- Valsartan173 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $623.60
40 payments, mostly food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 10,593 providers of this specialty with any payment received $4,948.62 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Practice Associates Medical GroupMorristown, NJ
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Gastroenterology Physician providers in New Jersey
There are 629 gastroenterology physician records in New Jersey.
Other gastroenterology physician records in New Jersey
- Bernard Aaron, M.D.Brick, NJ1962475566
- George Abdelsayed, MDNew Brunswick, NJ1144298613
- Rini Abraham, M.D.Montclair, NJ1285893321
- Melville Ackerman, MDMedford, NJ1598707580
- Faiz AfridiNewark, NJ1124480132
- Anil Agarwal, MDClifton, NJ1497704373
- Sudhir Agarwal, MDSuccasunna, NJ1215006275
- Aakash Aggarwal, MDHackensack, NJ1942597588
- Rafeeq Ahmed, M.DManahawkin, NJ1740411933
- Ashirf Al-Ghanoudi, M.D.Atlantic City, NJ1316289564
Common questions
What is Andrew Stefaniwsky, M.D.'s NPI number?
Andrew Stefaniwsky, M.D.'s National Provider Identifier (NPI) is 1811061807, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Stefaniwsky, M.D. located?
The NPPES record lists a practice address at 745 Northfield Ave, West Orange, NJ, 07052. Phone: (973) 325-0061. Providers update this record themselves, so call before visiting.
How can I verify Andrew Stefaniwsky, M.D.'s license?
Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew Stefaniwsky, M.D. prescribe under Medicare Part D?
In 2024, Andrew Stefaniwsky, M.D. had 6,014 Medicare Part D claims for 785 beneficiaries; the average among gastroenterology physician prescribers was 848. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.