NPPES file of Aug 9, 2026

Donald Klasing, MD

Psychiatry Physician · Huntsville, AL

Donald Klasing, MD is a psychiatry physician with a practice address in Huntsville, Alabama, and NPI 1508860230, issued on Jun 10, 2005. Check the license (Alabama 21172, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508860230
Name
Donald Klasing
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
21172 AL
200600548 NC
Self-reported in NPPES; status is on the state search
Practice location
4040 Memorial Pkwy SW, Huntsville, AL 35802
Phone
(256) 864-3356
Enumerated
Jun 10, 2005
Record last updated
Mar 7, 2023
Medicaid IDs
5903764 NC
G00548 SC
Medicare enrollment
Enrolled (PECOS I20050228000759); accepts Medicare assignment
Medical or professional school
University Of Alabama School Of Medicine, 1996
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4040 Memorial Pkwy SW

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Marie Acevedo, RNRegistered Nurse1023723434
  2. Valeria Acevedo, RNRegistered Nurse1902205388
  3. Douglas Adams, MDPsychiatry Physician1043291123
  4. Valerie Adams, RNRegistered Nurse1508316977
  5. Rosemary Akano-AzundaGeneral Practice Registered Nurse1750226510
  6. Deaira AlexanderSocial Worker1851188916

Verify Donald Klasing in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersAlabama Board of Medical Examiners
    Search for license 21172
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Alabama license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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16% fewer Medicare Part D claims than the average psychiatry physician in 2024

837 Medicare Part D claims for 87 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Donald Klasing837
  2. Specialty average1,000

Most prescribed

  1. Clonazepam81 claims
  2. Trazodone Hcl76 claims
  3. Quetiapine Fumarate60 claims
  4. Lorazepam54 claims
  5. Lamotrigine53 claims
  6. Alprazolam34 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $607.37

38 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Donald Klasing$607.37
  2. Specialty average$4,954.93

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Wellstone, Inc.Huntsville, AL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Donald Klasing among 517 psychiatry physician records in Alabama

Donald Klasing, MD is one of 517 psychiatry physician records with a practice address in Alabama. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 93% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated1996 · median 2004 among the 237 with a school on file
  • Record last updated2023 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Alabama

There are 517 psychiatry physician records in Alabama.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Douglas Adams, MDHuntsville, AL 358021043291123
  2. Sofia Aeschlimann, MDHuntsville, AL 358021447255393
  3. Roza Cieszkowski, M.D.Huntsville, AL 358021316911506
  4. William Goodson, M.D.Huntsville, AL 358021104060185
  5. Trevor Lindsay, M.D.Huntsville, AL 358021003825548
  6. Neva Roark, MDHuntsville, AL 358021730154717
  7. Azar Sheikholeslami, M.D.Huntsville, AL 358021366730277
  8. Debra Williams, DOHuntsville, AL 358021992762231

Common questions

What is Donald Klasing, MD's NPI number?

Donald Klasing, MD's National Provider Identifier (NPI) is 1508860230, issued on Jun 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Donald Klasing, MD located?

The NPPES record lists a practice address at 4040 Memorial Pkwy SW, Huntsville, AL, 35802. Phone: (256) 864-3356. Providers update this record themselves, so call before visiting.

How can I verify Donald Klasing, MD's license?

NPPES lists Alabama license number 21172, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Donald Klasing, MD prescribe under Medicare Part D?

In 2024, Donald Klasing, MD had 837 Medicare Part D claims for 87 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.