Mariah A. Hamilton, PA-C

Mariah Hamilton practices at Wellstar Kennestone Regional Medical Center in Marietta, Georgia, part of Wellstar Health System.

Mariah Hamilton's NPI, 1437850997, was assigned on March 13, 2023.

Mariah Hamilton's primary practice is Wellstar Kennestone Regional Medical Center, at 677 Church Street, Marietta, GA 30060 in Cobb County. The practice phone is (770) 793-5000.

Mariah Hamilton's primary practice is Wellstar Kennestone Regional Medical Center in Marietta, Georgia, part of Wellstar Health System. The medical group on file is Wellstar Medical Group. Dmand AI also links Mariah Hamilton to 1 more hospital 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 Mariah Hamilton practices, 3 sites in all. Vendor and product names are available with a free account.

Physician assistant is Mariah Hamilton's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

CMS counts 80 Medicare patients who saw Mariah Hamilton in 2024. The largest group is 75 to 84, with 31 patients. 75% of them have arthritis, and 75% have high blood pressure. 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 Mariah Hamilton's median patient age at 72, with 82% women.

In 2024, Mariah Hamilton wrote 1,814 Medicare Part D claims for 491 patients. 71% of them were for generic drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Mariah Hamilton for performance year 2024, reported through an alternative payment model (APM). Mariah Hamilton accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 13 general payments to Mariah Hamilton from 7 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. UCB, Inc. paid the most, $69.