Dr. Lily Johnston, MD, MPH

Dr. Johnston practices at Scripps Memorial Hospital La Jolla in La Jolla, California, part of Scripps Health.

Dr. Johnston's NPI, 1558627893, was assigned on April 11, 2012. Dr. Johnston graduated from UC San Diego School of Medicine in 2012. Dr. Johnston holds California license A172653.

Dr. Johnston's primary practice is Scripps Memorial Hospital La Jolla, at 9888 Genesee Avenue, La Jolla, CA 92037 in San Diego County. The practice phone is (858) 626-4123.

Dr. Johnston's primary practice is Scripps Memorial Hospital La Jolla in La Jolla, California, part of Scripps Health. Dr. Johnston is also affiliated with Scripps Mercy Hospital San Diego. The medical group on file is Scripps Clinic Medical Group. Dmand AI also links Dr. Johnston to 1 more ambulatory surgery center, named with a free account.

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

Vascular surgery is Dr. Johnston's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Johnston is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Johnston's licenses on file in 6 states: California, South Dakota, Arizona, Minnesota, Virginia and Oregon.

CMS data shows 24 Medicare services from Dr. Johnston across 1 procedure code in 2024, for 48 Medicare patients. Medicare paid $1,525 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 48 Medicare patients who saw Dr. Johnston in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 3.14, 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. Johnston's median patient age at 72, with 42% women.

In 2024, Dr. Johnston wrote 33 Medicare Part D claims for 11 patients. 97% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $119 in total drug cost. In 2023, CMS named 113 claims across 4 drugs.

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

Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)

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

Dmand AI links 31 papers to Dr. Johnston, published from 2012 to 2023. 2017 was the busiest year, with 9. The most frequent topics are Postoperative Complications, Cardiac Surgical Procedures and Comorbidity. Dr. Johnston has published most often in Ann Thorac Surg. Dr. Johnston's most frequent co-authors are Gorav Ailawadi, MD, Irving L. Kron, MD and Robert Bruce Hawkins, MD, MS.

CMS Open Payments shows 51 general payments to Dr. Johnston from 13 drug and device companies from 2016 to 2025. Grants make up the largest share, 62% of the total. Medtronic Vascular, Inc. paid the most, $5,687.

Dmand AI lists 7 awards for Dr. Johnston, most recently Academic Achievement Award in 2017.

Dr. Johnston graduated from UC San Diego School of Medicine in 2012.

Dr. Johnston is in network with 7 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.