Dr. John Dennis Allendorf, MD

Dr. Allendorf practices at NYU Faculty Group Practice in Mineola, New York.

Dr. Allendorf's NPI, 1740364397, was assigned on October 24, 2006. Dr. Allendorf graduated from Vagelos College of Physicians and Surgeons in 1997. Dr. Allendorf holds New York license 212487.

Dr. Allendorf's primary practice is NYU Faculty Group Practice, at 120 Mineola Blvd, Mineola, NY 11501 in Nassau County. The practice phone is (877) 648-2964.

Dr. Allendorf's primary practice is NYU Faculty Group Practice in Mineola, New York. Dr. Allendorf is also affiliated with Tisch Hospital. The medical group on file is NYU Langone Orthopedic Surgery Associates. Dmand AI also links Dr. Allendorf to 1 more hospital, 3 group practices and clinics, 2 medical groups and 1 home health agency, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Allendorf practices, 6 sites in all. Vendor and product names are available with a free account.

Surgical oncology is Dr. Allendorf's primary specialty in the NPI Registry, under taxonomy code 2086X0206X. Dr. Allendorf is board certified in surgery by the American Board of Surgery. Dr. Allendorf is licensed in New York.

Dmand AI lists abdominal hernia repair surgery, esophagus, stomach, or upper small intestine surgery and thyroid surgery among the conditions Dr. Allendorf treats.

CMS data shows 315 Medicare services from Dr. Allendorf across 10 procedure codes in 2024, for 223 Medicare patients. Medicare paid $52,163 for them.

CMS counts 223 Medicare patients who saw Dr. Allendorf in 2024. The largest group is 65 to 74, with 108 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.35, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Allendorf's median patient age at 67, with 70% women.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Allendorf for performance year 2024, reported as part of a group. Dr. Allendorf accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 91 papers to Dr. Allendorf, published from 2006 to 2025. 2012 was the busiest year, with 11. The most frequent topics are Pancreatic Neoplasms, Pancreatectomy and Postoperative Complications. Dr. Allendorf has published most often in J Gastrointest Surg. Dr. Allendorf's most frequent co-authors are John A. Chabot, MD, Beth Anne Schrope, MD and Megan Denzel Winner, MD.

Dmand AI links Dr. Allendorf to 1 clinical trial. Conditions studied include Pancreatic Neoplasms and Pancreatic Diseases.

CMS Open Payments shows 51 general payments to Dr. Allendorf from 12 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 52% of the total. Intuitive Surgical, Inc. paid the most, $1,100.

Dmand AI lists 2 awards for Dr. Allendorf, most recently ACS Fellow in 2012.

Dr. Allendorf graduated from Vagelos College of Physicians and Surgeons in 1997. Dr. Allendorf is a member of ACS.

Dr. Allendorf is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.