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Dr. Sergio Guillermo Casillas Berumen, M.D.

Vascular Surgery Physician in Chula Vista, CA · enumerated 2010.

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

National Provider Identifier

1437470762

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Registry record

Entity type Individual (Type 1)
Name Dr. Sergio Guillermo Casillas Berumen
Credential M.D.
Sex Male
Practice address 1111 Broadway Ste 305, Chula Vista, CA, 91911
Phone (619) 567-7007
Fax (619) 567-7775
Enumeration date Jun 22, 2010
Last updated in NPPES Mar 26, 2024

Taxonomy & licenses

2086S0129X Vascular Surgery Physician Allopathic & Osteopathic Physicians · License C185956 (CA) Primary
208600000X Surgery Physician Allopathic & Osteopathic Physicians · License MT196707 (PA) Secondary
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.

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Frequently asked questions

What is the NPI number for Sergio Casillas Berumen?
The National Provider Identifier (NPI) for Sergio Casillas Berumen is 1437470762, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sergio Casillas Berumen practice?
The practice location on file with NPPES is in Chula Vista, CA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-03-26.