NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Dirk L Berry, MD

Nephrology Physician in Tuscaloosa, AL · enumerated 2006 · practices at Psychiatric Corporation of Alabama.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1831282938

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Registry record

Entity type Individual (Type 1)
Name Mr. Dirk L Berry
Credential MD
Sex Male
Practice address 1649 Mcfarland Blvd N, Suite 203, Tuscaloosa, AL, 35406
Fax (205) 554-7937
Enumeration date Oct 2, 2006
Last updated in NPPES Jun 9, 2011

Taxonomy & licenses

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License 000016499 (AL) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
000087432 Medicaid AL -
51087432 Other AL BLUE CROSS/BLUE SHIELD OF ALABAMA

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Dirk Berry?
Dirk Berry is registered in NPPES with the primary taxonomy of Nephrology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-06-09.