Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Julio Cesar Castellan, M.D.

Pediatric Emergency Medicine (Pediatrics) Physician in Hollywood, FL · enumerated 2006.

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

National Provider Identifier

1194751602

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Registry record

Entity type Individual (Type 1)

Name Dr. Julio Cesar Castellan

Credential M.D.

Sex Male

Practice address 3501 Johnson St, Hollywood, FL, 33021

Phone (954) 987-2000

Enumeration date Jun 25, 2006

Last updated in NPPES Apr 21, 2021

Taxonomy & licenses

2080P0204X Pediatric Emergency Medicine (Pediatrics) Physician Allopathic & Osteopathic Physicians · License ME92752 (FL) 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
30673	Other	FL	BLUE SHIELD
274007900	Medicaid	FL	-

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 Julio Castellan?

Julio Castellan is registered in NPPES with the primary taxonomy of Pediatric Emergency Medicine (Pediatrics) 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 2021-04-21.