Dr. Joseph Tyler Lonergan, MD

Dr. Lonergan practices at UCSD Hillcrest Medical Center in San Diego, California.

Dr. Lonergan's NPI, 1962427310, was assigned on July 13, 2006. Dr. Lonergan graduated from Geisel School of Medicine at Dartmouth in 1994. Dr. Lonergan holds California license A55815.

Dr. Lonergan's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.

Dr. Lonergan's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Lonergan is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health. Dmand AI also links Dr. Lonergan to 2 more group practices and clinics and 1 medical group, each named with a free account.

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

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

CMS data shows 239 Medicare services from Dr. Lonergan across 4 procedure codes in 2024, for 87 Medicare patients. Medicare paid $19,126 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 87 Medicare patients who saw Dr. Lonergan in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 59% are also on Medicaid. Their average risk score is 2.03, 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. Lonergan's median patient age at 55, with 6% women.

In 2024, Dr. Lonergan wrote 6,574 Medicare Part D claims for 167 patients. 65% of them were for generic drugs. CMS names the drug for 6,033 of them, across 118 drugs with 11 or more claims each, at $5,607,543 in total drug cost. In 2023, CMS named 5,964 claims across 119 drugs.

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

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 3 papers to Dr. Lonergan, published from 2012 to 2024. Dr. Lonergan's most frequent co-authors are Susan J. Little, MD, Stephen Arthur Rawlings, MD, PhD and Darcy Alison Wooten, MD.

CMS Open Payments shows 49 general payments to Dr. Lonergan from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 90% of the total. ViiV Healthcare Company paid the most, $758.

Dr. Lonergan graduated from Geisel School of Medicine at Dartmouth in 1994.