Dr. Elizabeth Anne Johnston, MD

Dr. Johnston practices at Oroville Hospital in Oroville, California, part of Oro Hospital.

Dr. Johnston's NPI, 1114145257, was assigned on April 23, 2007. Dr. Johnston graduated from Loma Linda University School Of Medicine in 2006. Dr. Johnston holds California license A125115.

Dr. Johnston's primary practice is Oroville Hospital, at 2767 Olive Highway, Oroville, CA 95966 in Butte County. The practice phone is (530) 533-8500.

Dr. Johnston's primary practice is Oroville Hospital in Oroville, California, part of Oro Hospital. Dr. Johnston is also affiliated with Enloe Health. The medical group on file is Oro Health Professional.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnston practices, 2 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. Johnston's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Johnston is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Johnston's licenses on file in 2 states: California and Nebraska.

Dmand AI lists appendectomy, cancerous skin growth removal, colonoscopy, gallbladder removal, gastrointestinal bleeding, groin hernia surgery, hemorrhoids and mastectomy among the conditions Dr. Johnston treats.

CMS data shows 259 Medicare services from Dr. Johnston across 4 procedure codes in 2024, for 159 Medicare patients. Medicare paid $17,783 for them.

CMS counts 159 Medicare patients who saw Dr. Johnston in 2024. The largest group is 65 to 74, with 94 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 38% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Johnston's median patient age at 69, with 60% women.

In 2024, Dr. Johnston wrote 91 Medicare Part D claims for 62 patients. 65% of them were for generic drugs. CMS names the drug for 51 of them, across 3 drugs with 11 or more claims each, at $3,557 in total drug cost. In 2023, CMS named 70 claims across 3 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 77 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 20 procedures of colonoscopy by Dr. Johnston, more than 48% of the clinicians it reports for that procedure.

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Melanoma (skin cancer) excision: 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)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 1 paper to Dr. Johnston. Dr. Johnston's most frequent co-authors are Jukes P. Namm, MD and Mark Evan Reeves, MD.

CMS Open Payments shows 82 general payments to Dr. Johnston from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 68% of the total. Intuitive Surgical, Inc. paid the most, $2,435.

Dmand AI lists 1 award for Dr. Johnston.

Dr. Johnston graduated from Loma Linda University School Of Medicine in 2006. Dr. Johnston is a member of ACS.

Dr. Johnston is in network with 13 carriers, including United Healthcare, Elevance and HCSC. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.