Richard Diethelm, MD
Neurology · Birmingham, ALNPI 1851518476
Payments from drug & device makers
Across 1,796 payments — averaging $64.16 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- AbbVie$34K
- H. Lundbeck A S$32K
- Amgen$20K
- CSL Behring$3K
- Biohaven Pharmaceutical Holding Company Ltd.$3K
- Novartis$2K
- plus $21K from 48 others
General payments by program year
Who reported the general payments
Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.
How this compares
$115,231 in reported general payments places this provider in the 85th percentile of 255 neurology providers in Alabama.
Medicare billing
What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.
Other neurology in Birmingham
- Emily RiserBirmingham$7.1M
- Louis NaborsBirmingham$3.2M
- Khurram BashirBirmingham$2.8M
- David GeldmacherBirmingham$2.6M
- Victor SungBirmingham$2M
- Mina LobbousBirmingham$1.8M
- Diane CounceBirmingham$1.4M
- Marissa Natelson LoveBirmingham$792K
- David StandaertBirmingham$787K
- Marissa DeanBirmingham$592K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
- Identity: NPPES NPI Registry, July 2026.