Dr. Eric William Johnston, MD

Dr. Johnston practices at UCSD Center for Surgery of Encinitas in Encinitas, California.

Dr. Johnston's NPI, 1114916053, was assigned on October 13, 2005. Dr. Johnston graduated from Wayne State University School Of Medicine in 1995. Dr. Johnston holds California license C169344.

Dr. Johnston's primary practice is UCSD Center for Surgery of Encinitas, at 477 N El Camino Real Suite C-100, Encinitas, CA 92024. The practice phone is (760) 942-8800.

Dr. Johnston's primary practice is UCSD Center for Surgery of Encinitas in Encinitas, California. Dmand AI also links Dr. Johnston to 2 group practices and clinics, 2 medical groups and 1 ambulatory surgery center, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnston practices, 4 sites in all. Vendor and product names are available with a free account.

Ophthalmology is Dr. Johnston's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Johnston is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Johnston's licenses on file in 4 states: California, Illinois, Texas and Michigan.

Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, conjunctivitis, dry eye, eye infection or inflammation, eyelid inflammation and glaucoma among the conditions Dr. Johnston treats.

CMS data shows 1,516 Medicare services from Dr. Johnston across 15 procedure codes in 2024, for 523 Medicare patients. Medicare paid $163,540 for them.

CMS counts 523 Medicare patients who saw Dr. Johnston in 2024. The largest group is 65 to 74, with 275 patients. 75% of them have high cholesterol, and 57% have high blood pressure. 4% are also on Medicaid. Their average risk score is 0.92, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Johnston's median patient age at 73, with 59% women.

In 2024, Dr. Johnston wrote 574 Medicare Part D claims for 201 patients. 34% of them were for generic drugs. CMS names the drug for 475 of them, across 11 drugs with 11 or more claims each, at $76,285 in total drug cost. In 2023, CMS named 454 claims across 12 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Johnston for performance year 2024, reported as part of a group. Dr. Johnston accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 209 procedures of cataract surgery by Dr. Johnston, more than 84% of the clinicians it reports for that procedure.

Dmand AI links 5 papers to Dr. Johnston, published from 2012 to 2023. The most frequent topics are Cornea, Hyperopia and Keratomileusis, Laser In Situ. Dr. Johnston's most frequent co-authors are James Parker McCulley, MD, Robert Wayne Bowman, MD and Julian C. Hong, MD, MS.

CMS Open Payments shows 232 general payments to Dr. Johnston from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Alcon Laboratories Inc paid the most, $4,009.

Dmand AI lists 1 award for Dr. Johnston, most recently CMS Stage 1 EHR in 2013.

Dr. Johnston graduated from Wayne State University School Of Medicine in 1995.

Dr. Johnston is in network with 22 carriers, including Aetna, Elevance and Humana. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.