Donald Klasing, MD
NPI 1508860230 · Psychiatry Physician · Huntsville, AL
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Klasing, MD is a Psychiatry Physician provider in Huntsville, AL (NPI 1508860230).
Provider details
- NPI number
- 1508860230
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 21172 (AL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
21 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 81 | 11 |
| Trazodone Hcl | 76 | 22 |
| Quetiapine Fumarate | 60 | 11 |
| Lorazepam | 54 | — |
| Lamotrigine | 53 | — |
| Alprazolam | 34 | — |
| Sertraline Hcl | 31 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$607 across 38 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-10
- Last updated
- 2023-03-07
- Certified
- 2022-03-29
Frequently asked questions
- What is Donald Klasing's NPI number?
- Donald Klasing's National Provider Identifier (NPI) is 1508860230, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Klasing's specialty?
- Donald Klasing is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Klasing located?
- Donald Klasing's practice location on file with NPPES is 4040 Memorial Pkwy Sw, Huntsville, AL 35802-4364.
- What is Donald Klasing's phone number?
- The practice phone number listed in the NPPES registry for Donald Klasing is (256) 864-3356.
- Does Donald Klasing accept Medicare?
- Donald Klasing is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Klasing's NPI active?
- Yes — Donald Klasing's NPI (1508860230) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.