Dr. Zachary S. Larrimer, MD

Dr. Larrimer practices at CHI St Vincent Hot Springs in Hot Springs National Park, Arkansas.

Dr. Larrimer's NPI, 1316171945, was assigned on May 11, 2009. Dr. Larrimer graduated from Louisiana State University School of Medicine in Shreveport in 2009. Dr. Larrimer holds Arkansas license E-8741.

Dr. Larrimer's primary practice is CHI St Vincent Hot Springs, at 300 Werner St, Hot Springs National Park, AR 71913 in Garland County. The practice phone is (501) 622-1000.

Dr. Larrimer's primary practice is CHI St Vincent Hot Springs in Hot Springs National Park, Arkansas. Dr. Larrimer is also affiliated with CHI St. Vincent Hot Springs. The medical group on file is CHI St. Vincent Primary Care - Glenwood. Dmand AI also links Dr. Larrimer to 1 more hospital, 1 group practice or clinic and 1 other site, each named with a free account.

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

Surgery is Dr. Larrimer's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Larrimer is licensed in Arkansas.

CMS data shows 615 Medicare services from Dr. Larrimer across 16 procedure codes in 2024, for 373 Medicare patients. Medicare paid $60,568 for them.

CMS counts 373 Medicare patients who saw Dr. Larrimer in 2024. The largest group is 65 to 74, with 171 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.91, 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. Larrimer's median patient age at 71, with 66% women.

In 2024, Dr. Larrimer wrote 271 Medicare Part D claims for 172 patients. 96% of them were for generic drugs. CMS names the drug for 188 of them, across 6 drugs with 11 or more claims each, at $591 in total drug cost. In 2023, CMS named 114 claims across 2 drugs.

Dr. Larrimer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 18 procedures of mastectomy by Dr. Larrimer, more than 76% of the clinicians it reports for that procedure.

Hernia repair - groin (open): 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)

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 1 paper to Dr. Larrimer. Dr. Larrimer's most frequent co-authors are Richard David Betzold, MD and Kyle J. Kalkwarf, MD.

CMS Open Payments shows 56 general payments to Dr. Larrimer from 6 drug and device companies from 2016 to 2025. Education make up the largest share, 70% of the total. Intuitive Surgical, Inc. paid the most, $22,024.

Dr. Larrimer graduated from Louisiana State University School of Medicine in Shreveport in 2009.