Dr. James P. Hollenberg, MD

Dr. Hollenberg practices at NewYork-Presbyterian/Weill Cornell Medical Center in New York, New York, part of NewYork-Presbyterian Hospital.

Dr. Hollenberg's NPI, 1952498032, was assigned on October 9, 2006. Dr. Hollenberg graduated from Columbia University College of Physicians and Surgeons in 1980. Dr. Hollenberg holds New York license 146899.

Dr. Hollenberg's primary practice is NewYork-Presbyterian/Weill Cornell Medical Center, at 525 East 68th Street, New York, NY 10065 in New York County. The practice phone is (212) 746-5454.

Dr. Hollenberg's primary practice is NewYork-Presbyterian/Weill Cornell Medical Center in New York, New York, part of NewYork-Presbyterian Hospital. The medical group on file is Weill Cornell Physicians. Dmand AI also links Dr. Hollenberg to 2 more clinical labs and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hollenberg practices, 4 sites in all. Vendor and product names are available with a free account.

Internal medicine is Dr. Hollenberg's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hollenberg is licensed in New York.

CMS data shows 333 Medicare services from Dr. Hollenberg across 4 procedure codes in 2024, for 147 Medicare patients. Medicare paid $27,281 for them.

CMS counts 147 Medicare patients who saw Dr. Hollenberg in 2024. The largest group is 75 to 84, with 76 patients. 75% of them have high cholesterol, and 63% have high blood pressure. Their average risk score is 1.17, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Hollenberg's median patient age at 75, with 48% women.

In 2024, Dr. Hollenberg wrote 1,944 Medicare Part D claims for 173 patients. 90% of them were for generic drugs. CMS names the drug for 1,486 of them, across 39 drugs with 11 or more claims each, at $23,121 in total drug cost. In 2023, CMS named 1,621 claims across 44 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Hollenberg for performance year 2024, reported through an alternative payment model (APM). Dr. Hollenberg accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hollenberg as offering telehealth.

Dmand AI links 15 papers to Dr. Hollenberg, published from 2012 to 2025. 2012 was the busiest year, with 2. The most frequent topics are Black or African American, Hypertension and Length of Stay. Dr. Hollenberg has published most often in Contemp Clin Trials. Dr. Hollenberg's most frequent co-authors are Monika Maria Safford, MD, Ginger Winston, MD and Andrea L. Cherrington, MD.

CMS Open Payments shows 1 general payment to Dr. Hollenberg from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Impax Laboratories, Inc. paid the most, $15.

Dr. Hollenberg graduated from Columbia University College of Physicians and Surgeons in 1980.