Doctor profile · Federal record

Dr. Donald Klasing, MD

Psychiatry Physician (CMS: Psychiatry) · Family Medicine Physician · Psychiatry Physician · Huntsville, AL

  • NPI 1508860230
  • Accepts Medicare
  • 30 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4040 Memorial Pkwy Sw
Huntsville, AL 358024364
(256) 864-3356
Mailing address
4040 Memorial Pkwy Sw Ste H
Huntsville, AL 358024364

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (2)
Alabama #21172 · North Carolina #200600548
Medicaid (2)
NC #5903764 · SC #G00548

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508860230. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$607
Transactions
38
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, INC. 5 $187.28
Supernus Pharmaceuticals, INC. 11 $150.51
Abbvie INC. 8 $143.82
Corium, LLC 9 $49.59
Teva Pharmaceuticals USA, INC. 2 $31.39
Alkermes, INC. 1 $17.12
Lundbeck LLC 1 $14.09
Axsome Therapeutics, INC. 1 $13.57

By nature of payment

Food and Beverage
$607

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
623
Patients
133
Total drug cost
$7,165
Drug Type Claims Patients Total cost
Clonazepam Generic 97 14 $422
Quetiapine Fumarate Generic 78 26 $1,598
Trazodone Hcl Generic 65 31 $784
Sertraline Hcl Generic 42 12 $526
Lamotrigine Generic 35 13 $309
Mirtazapine Generic 35 0 $349
Olanzapine Generic 35 12 $445
Alprazolam Generic 33 0 $354
Risperidone Generic 33 0 $563
Fluoxetine Hcl Generic 32 14 $263

Frequently asked questions

Auto-generated from federal data
What is Dr. Donald Klasing's medical specialty?
Dr. Donald Klasing practices Psychiatry Physician in Huntsville, AL.
Where does Dr. Donald Klasing practice?
Dr. Donald Klasing practices at 4040 Memorial Pkwy Sw, Huntsville, AL 358024364. Office phone: 2568643356.
What is Dr. Donald Klasing's NPI?
Dr. Donald Klasing's National Provider Identifier (NPI) is 1508860230, issued by NPPES.
Does Dr. Donald Klasing accept Medicare assignment?
Yes. Dr. Donald Klasing accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.