Dr. Eric J. Grigsby, MD

Dr. Grigsby practices at Napa Pain Institute in Napa, California.

Dr. Grigsby's NPI, 1952328494, was assigned on July 17, 2006. Dr. Grigsby graduated from Boston University School Of Medicine in 1984. Dr. Grigsby holds California license G648480.

Dr. Grigsby's primary practice is Napa Pain Institute, at 3434 Villa Ln, Napa, CA 94558 in Napa County. The practice phone is (707) 252-9666.

Dr. Grigsby's primary practice is Napa Pain Institute in Napa, California. Dr. Grigsby is also affiliated with Providence Queen of the Valley Medical Center. The medical group on file is Napa Pain Institute. Dmand AI also links Dr. Grigsby to 2 more hospitals and 1 group practice or clinic, each named with a free account.

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

Pain medicine is Dr. Grigsby's primary specialty in the NPI Registry, under taxonomy code 208VP0000X. The record also lists pain medicine. Dr. Grigsby is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Grigsby's licenses on file in 3 states: California, Hawaii and Minnesota.

Dmand AI lists back pain injection, lower back pain and muscle pain, fibromyalgia, and limb pain among the conditions Dr. Grigsby treats.

CMS data shows 333 Medicare services from Dr. Grigsby across 6 procedure codes in 2024, for 87 Medicare patients. Medicare paid $43,231 for them.

CMS counts 87 Medicare patients who saw Dr. Grigsby in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have arthritis, and 75% have high blood pressure. 46% are also on Medicaid. Their average risk score is 1.72, 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. Grigsby's median patient age at 65, with 70% women.

In 2024, Dr. Grigsby wrote 29 Medicare Part D claims for 17 patients. 97% of them were for generic drugs. They cover 12 drugs, with $13,458 in total drug cost. In 2021, CMS named 2,204 claims across 26 drugs.

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

Dmand AI links 15 papers to Dr. Grigsby, published from 2012 to 2022. The most frequent topics are Injections, Spinal, Chronic Pain and Analgesics, Non-Narcotic. Dr. Grigsby has published most often in Neuromodulation. Dr. Grigsby's most frequent co-authors are Mark S. Wallace, MD, Allen W. Burton, MD and Timothy Ray Deer, MD.

Dmand AI links Dr. Grigsby to 9 clinical trials, 2 of them phase 2/3 studies. 3 are still active or recruiting. Conditions studied include Chronic Pain, Pain and Alzheimer Disease. Eli Lilly and Company sponsors the most, 2. Open Payments lists research payments to Dr. Grigsby that name 2 trials.

CMS Open Payments shows 158 general payments to Dr. Grigsby from 22 drug and device companies from 2016 to 2025. Education make up the largest share, 41% of the total. Bioness Inc paid the most, $583,735. It also lists 6 research payments totaling $64,787 from 2021 to 2023, naming 2 clinical trials.

Dr. Grigsby graduated from Boston University School Of Medicine in 1984. Dr. Grigsby is a member of AAPM.

Dr. Grigsby is in network with 14 carriers, including Elevance, Excellus BlueCross BlueShield and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.