Dr. Steven Nalonnil Mathews, MD

Dr. Mathews practices at Hunterdon Endosurgery Center in Flemington, New Jersey.

Dr. Mathews' NPI, 1437680832, was assigned on March 27, 2017. Dr. Mathews holds New Jersey license 25MA11698500.

Dr. Mathews' primary practice is Hunterdon Endosurgery Center, at 1100 Wescott Drive - Suite 204, Flemington, NJ 08822. The practice phone is (908) 788-6448.

Dr. Mathews' primary practice is Hunterdon Endosurgery Center in Flemington, New Jersey. Dr. Mathews is also affiliated with Hunterdon Medical Center. The medical group on file is Hunterdon Gastroenterology Associates. Dmand AI also links Dr. Mathews to 1 more group practice or clinic, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mathews practices, 3 sites in all. Vendor and product names are available with a free account.

Gastroenterology is Dr. Mathews' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Mathews is licensed in New Jersey.

CMS data shows 746 Medicare services from Dr. Mathews across 15 procedure codes in 2024, for 357 Medicare patients. Medicare paid $68,596 for them.

CMS counts 357 Medicare patients who saw Dr. Mathews in 2024. The largest group is 65 to 74, with 147 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Mathews' median patient age at 58, with 55% women.

In 2024, Dr. Mathews wrote 546 Medicare Part D claims for 295 patients. 85% of them were for generic drugs. CMS names the drug for 444 of them, across 9 drugs with 11 or more claims each, at $25,906 in total drug cost. In 2023, CMS named 138 claims across 6 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Mathews for performance year 2024, reported as part of a group. Dr. Mathews accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 81 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Mathews, more than 72% of the clinicians it reports for that procedure.

Dmand AI links 7 papers to Dr. Mathews, published from 2016 to 2019. 2016 was the busiest year, with 3. The most frequent topics are Elective Surgical Procedures and New York. Dr. Mathews has published most often in J Gastrointest Surg. Dr. Mathews' most frequent co-authors are Aurora Dawn Pryor, MD, Mark A. Talamini, MD and Dana Alexa Telem, MD.

CMS Open Payments shows 2 general payments to Dr. Mathews from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $21.