Dr. Christopher Paul Kellner, MD

Dr. Kellner practices at Neurosurgery Department of Mount Sinai in New York, New York.

Dr. Kellner's NPI, 1457504490, was assigned on November 3, 2008. Dr. Kellner graduated from Vagelos College of Physicians and Surgeons in 2008. Dr. Kellner holds New York license 281906.

Dr. Kellner's primary practice is Neurosurgery Department of Mount Sinai, at 1450 Madison Ave, New York, NY 10029 in New York County. The practice phone is (212) 241-0002.

Dr. Kellner's primary practice is Neurosurgery Department of Mount Sinai in New York, New York. Dr. Kellner is also affiliated with The Mount Sinai Hospital. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Dr. Kellner to 1 more hospital, 3 group practices and clinics and 2 medical groups, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kellner practices, 5 sites in all. Vendor and product names are available with a free account.

Neurological surgery is Dr. Kellner's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Kellner is board certified in neurological surgery by the American Board of Neurological Surgery. Dr. Kellner is licensed in New York.

Dmand AI lists craniotomy among the conditions Dr. Kellner treats.

CMS data shows 429 Medicare services from Dr. Kellner across 14 procedure codes in 2024, for 160 Medicare patients. Medicare paid $64,522 for them.

CMS counts 160 Medicare patients who saw Dr. Kellner in 2024. The largest group is 75 to 84, with 63 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 1.82, 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. Kellner's median patient age at 63, with 55% women.

In 2024, Dr. Kellner wrote 11 Medicare Part D claims. 100% of them were for generic drugs. They cover 1 drug, with $5,396 in total drug cost.

Dr. Kellner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kellner as offering telehealth.

Dmand AI links 233 papers to Dr. Kellner, published from 2007 to 2025. 2021 was the busiest year, with 26. The most frequent topics are Cerebral Hemorrhage, Stroke and Minimally Invasive Surgical Procedures. Dr. Kellner has published most often in World Neurosurg. Dr. Kellner's most frequent co-authors are Johanna Therese Fifi, MD, Kurt A. Yaeger, MD and Joshua B. Bederson, MD.

Dmand AI links Dr. Kellner to 15 clinical trials. 7 are still active or recruiting. Conditions studied include Intracranial Hemorrhages, Stroke and Cerebral Hemorrhage. Icahn School of Medicine at Mount Sinai sponsors the most, 3.

CMS Open Payments shows 264 general payments to Dr. Kellner from 31 drug and device companies from 2019 to 2025. Consulting fees make up the largest share, 44% of the total. Medical Device Business Services, Inc. paid the most, $55,222. It also lists 4 research payments totaling $137,755 in 2020.

Dr. Kellner serves on World Neurosurgery Editorial Board.

Dr. Kellner graduated from Vagelos College of Physicians and Surgeons in 2008. Dr. Kellner is a member of AOA, AANS, AHA and CNS.

Dr. Kellner is in network with 19 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.