Dr. Gary S. Hathaway, MD

Dr. Hathaway practices at Wellstar Medical Group in Marietta, Georgia.

Dr. Hathaway's NPI, 1164489373, was assigned on May 1, 2006. Dr. Hathaway holds Georgia license 042599.

Dr. Hathaway's primary practice is Wellstar Medical Group, at 590 Nancy NW St, Marietta, GA 30060 in Cobb County. The practice phone is (470) 267-2433.

Dr. Hathaway's primary practice is Wellstar Medical Group in Marietta, Georgia. Dr. Hathaway is also affiliated with Wellstar Kennestone Regional Medical Center. The medical group on file is Wellstar Medical Group. Dmand AI also links Dr. Hathaway 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. Hathaway practices, 4 sites in all. Vendor and product names are available with a free account.

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

CMS data shows 254 Medicare services from Dr. Hathaway across 9 procedure codes in 2024, for 170 Medicare patients. Medicare paid $41,980 for them.

CMS counts 170 Medicare patients who saw Dr. Hathaway in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.75, 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. Hathaway's median patient age at 65, with 48% women.

In 2024, Dr. Hathaway wrote 264 Medicare Part D claims for 149 patients. 100% of them were for generic drugs. CMS names the drug for 200 of them, across 6 drugs with 11 or more claims each, at $1,176 in total drug cost. In 2023, CMS named 192 claims across 6 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Hathaway for performance year 2024, reported through an alternative payment model (APM). Dr. Hathaway accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 16 procedures of hernia repair - groin (open) by Dr. Hathaway, more than 94% of the clinicians it reports for that procedure.

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

CMS Open Payments shows 124 general payments to Dr. Hathaway from 42 drug and device companies from 2016 to 2025. Education make up the largest share, 45% of the total. Intuitive Surgical, Inc. paid the most, $7,454.