Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Roberto Esteban Bustos, MD

Student in an Organized Health Care Education/Training Program in Saint Louis, MO · enumerated 2020.

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

National Provider Identifier

1033738596

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Registry record

Entity type Individual (Type 1)

Name Dr. Roberto Esteban Bustos

Credential MD

Sex Male

Practice address 1402 S Grand Blvd Rm M260, Saint Louis, MO, 63104

Phone (314) 577-8317

Fax (314) 268-5466

Enumeration date Apr 14, 2020

Last updated in NPPES May 12, 2020

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care 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 Roberto Bustos?

Roberto Bustos is registered in NPPES with the primary taxonomy of Student in an Organized Health Care Education/Training Program. 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 2020-05-12.