Dr. Isabel C. Guerrero, MD

Dr. Guerrero practices at Ocean County Health Department - Laboratory in Toms River, New Jersey.

Dr. Guerrero's NPI, 1568456580, was assigned on September 6, 2005. Dr. Guerrero graduated from University of the Philippines College of Medicine in 1972. Dr. Guerrero's New Jersey license number on file is MA39476.

Dr. Guerrero's primary practice is Ocean County Health Department - Laboratory, at 175 Sunset Avenue, Toms River, NJ 08755. The practice phone is (732) 341-9700.

Dr. Guerrero's primary practice is Ocean County Health Department - Laboratory in Toms River, New Jersey. Dr. Guerrero is also affiliated with Community Medical Center. The medical group on file is Ocean County Health Department. Dmand AI also links Dr. Guerrero to 1 more group practice or clinic, named with a free account. Dr. Guerrero's employer is on file too: a clinical lab.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guerrero practices, 3 sites in all. Vendor and product names are available with a free account.

Infectious disease is Dr. Guerrero's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Guerrero is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Guerrero's licenses on file in 3 states: New Jersey, Florida and Puerto Rico.

Dmand AI lists cold sores or genital herpes and hiv/aids among the conditions Dr. Guerrero treats.

CMS data shows 211 Medicare services from Dr. Guerrero across 3 procedure codes in 2024, for 82 Medicare patients. Medicare paid $17,198 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 82 Medicare patients who saw Dr. Guerrero in 2024. The largest group is 65 to 74, with 27 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.38, 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. Guerrero's median patient age at 72, with 55% women.

In 2024, Dr. Guerrero wrote 290 Medicare Part D claims for 36 patients. 18% of them were for generic drugs. CMS names the drug for 218 of them, across 7 drugs with 11 or more claims each, at $710,353 in total drug cost. In 2023, CMS named 329 claims across 10 drugs.

Dmand AI links 3 papers to Dr. Guerrero in 2002.

CMS Open Payments shows 229 general payments to Dr. Guerrero from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Merck Sharp & Dohme Corporation paid the most, $1,470.

Dmand AI lists 2 awards for Dr. Guerrero, most recently Inside Jersey Magazine Top Doctors in 2014.

Dr. Guerrero graduated from University of the Philippines College of Medicine in 1972.

Dr. Guerrero is in network with 11 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.