Dr. Nihaal Prashant Karnik, MD

Dr. Karnik practices at Geisinger Wyoming Valley Medical Center in Plains Township, Pennsylvania.

Dr. Karnik's NPI, 1407384852, was assigned on May 30, 2017. Dr. Karnik holds Washington license MD61414810.

Dr. Karnik's primary practice is Geisinger Wyoming Valley Medical Center, at 1000 E Mountain Dr, Plains Township, PA 18702 in Luzerne County. The practice phone is (570) 826-7300.

Dr. Karnik's primary practice is Geisinger Wyoming Valley Medical Center in Plains Township, Pennsylvania. Dr. Karnik is also affiliated with Geisinger Wyoming Valley Medical Center. The medical group on file is Geisinger. Dmand AI also links Dr. Karnik to 2 more hospitals and 1 medical group, each named with a free account.

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

Gastroenterology is Dr. Karnik's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Karnik's licenses on file in 2 states: Washington and Pennsylvania.

CMS data shows 92 Medicare services from Dr. Karnik across 5 procedure codes in 2024, for 117 Medicare patients. Medicare paid $6,994 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 117 Medicare patients who saw Dr. Karnik in 2024. The largest group is 75 to 84, with 44 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.91, 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. Karnik's median patient age at 74, with 63% women.

In 2024, Dr. Karnik wrote 95 Medicare Part D claims for 63 patients. 88% of them were for generic drugs. CMS names the drug for 49 of them, across 3 drugs with 11 or more claims each, at $652 in total drug cost. In 2023, CMS named 51 claims across 3 drugs.

Dr. Karnik accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 259 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Karnik, more than 94% of the clinicians it reports for that procedure.

CMS Open Payments shows 32 general payments to Dr. Karnik from 10 drug and device companies from 2018 to 2025. Grants make up the largest share, 76% of the total. Boston Scientific Corporation paid the most, $13,400.