NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Waldo Jesus Santiago Colberg, MD

Endocrinology, Diabetes & Metabolism Physician in Opelika, AL · enumerated 2020.

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

National Provider Identifier

1134746944

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Registry record

Entity type Individual (Type 1)
Name Waldo Jesus Santiago Colberg
Credential MD
Sex Male
Practice address Opelika, AL, 36801
Phone (334) 528-7270
Fax (334) 528-7271
Enumeration date Jun 26, 2020
Last updated in NPPES Jun 3, 2026

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207RE0101X Endocrinology, Diabetes & Metabolism Physician Allopathic & Osteopathic Physicians · License MD.44741 (AL) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 Waldo Santiago Colberg?
Waldo Santiago Colberg is registered in NPPES with the primary taxonomy of Endocrinology, Diabetes & Metabolism 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 2026-06-03.