Dr. Joan Catherine Guevarra, MD

Dr. Guevarra practices at Samaritan Medical Center in Watertown, New York, part of MultiCare Health System.

Dr. Guevarra's NPI, 1740476399, was assigned on September 18, 2007. Dr. Guevarra holds New York license 244374-1.

Dr. Guevarra's primary practice is Samaritan Medical Center, at 830 Washington Street, Watertown, NY 13601 in Jefferson County. The practice phone is (315) 785-4000.

Dr. Guevarra's primary practice is Samaritan Medical Center in Watertown, New York, part of MultiCare Health System. The medical group on file is Apogee Physicians.

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

General practice is Dr. Guevarra's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Guevarra is licensed in New York.

CMS data shows 1,084 Medicare services from Dr. Guevarra across 4 procedure codes in 2024, for 312 Medicare patients. Medicare paid $70,045 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 312 Medicare patients who saw Dr. Guevarra in 2024. The largest group is 75 to 84, with 98 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 2.59, 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. Guevarra's median patient age at 72, with 52% women.

In 2024, Dr. Guevarra wrote 709 Medicare Part D claims for 241 patients. 87% of them were for generic drugs. CMS names the drug for 388 of them, across 18 drugs with 11 or more claims each, at $9,262 in total drug cost. In 2023, CMS named 361 claims across 17 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Guevarra for performance year 2024, reported as part of a group. Dr. Guevarra accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 52 general payments to Dr. Guevarra from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $476.