Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Tirso A Castillo, MD

Gastroenterology Physician in Dublin, GA · enumerated 2006.

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

National Provider Identifier

1083692560

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Registry record

Entity type Individual (Type 1)

Name Tirso A Castillo

Credential MD

Sex Male

Practice address 111 Fairview Park Dr, Dublin, GA, 31021

Phone (478) 272-1366

Fax (478) 275-2322

Enumeration date Jan 5, 2006

Last updated in NPPES Jul 12, 2023

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 048883 (GA) 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
000872066A	Medicaid	GA	-
52420599-002	Other	GA	BCBS
681242	Other	GA	FIRST HEALTH
4653853	Other	GA	AETNA
1007287	Other	GA	UNITED HEALTHCARE

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 Tirso Castillo?

Tirso Castillo is registered in NPPES with the primary taxonomy of Gastroenterology 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.

Other providers at this practice address

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Matthew Grundfast Gastroenterology Physician · Dublin, GA NPI 1124011085 Dublin Endoscopy Center, LLC Endoscopy Clinic/Center · Dublin, GA NPI 1841517893 Dublin Anesthesia, LLC Certified Registered Nurse Anesthetist · Dublin, GA NPI 1538466297

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-12.