David Nagel Hammack, PA

David Hammack practices at St Josephs Medical in Fayetteville, New York.

David Hammack's NPI, 1497006043, was assigned on September 23, 2012. David Hammack holds New York license 016022.

David Hammack's primary practice is St Josephs Medical, at 4100 Medical Center Dr, Fayetteville, NY 13066 in Onondaga County. The practice phone is (315) 452-2828.

David Hammack's primary practice is St Josephs Medical in Fayetteville, New York. David Hammack is also affiliated with Upstate University Hospital. The medical group on file is St. Joseph's Physicians Primary Care Center - OB/GYN. Dmand AI also links David Hammack to 2 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account.

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

Physician assistant is David Hammack's primary specialty in the NPI Registry, under taxonomy code 363A00000X. David Hammack is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). David Hammack is licensed in New York.

Dmand AI lists acute gastroduodenitis, acute skin infection, adjustment disease, anxiety, asthma, chronic obstructive pulmonary disease (COPD), conjunctivitis and depression among the conditions David Hammack treats.

CMS data shows 2,460 Medicare services from David Hammack across 22 procedure codes in 2024, for 318 Medicare patients. Medicare paid $75,433 for them. Every service was in an office.

CMS counts 318 Medicare patients who saw David Hammack in 2024. The largest group is 65 to 74, with 142 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts David Hammack's median patient age at 61, with 43% women.

In 2024, David Hammack wrote 15,176 Medicare Part D claims for 1,430 patients. 86% of them were for generic drugs. CMS names the drug for 14,333 of them, across 194 drugs with 11 or more claims each, at $1,295,243 in total drug cost.

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

CMS Open Payments shows 47 general payments to David Hammack from 20 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $206.