Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Armando R Castillo Jr., MD

Neonatal-Perinatal Medicine Physician in Gainesville, GA · enumerated 2006.

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

National Provider Identifier

1972540060

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Registry record

Entity type Individual (Type 1)

Name Armando R Castillo Jr.

Credential MD

Sex Male

Practice address 743 Spring St Ne, Gainesville, GA, 30501

Phone (770) 533-6645

Fax (770) 535-7445

Enumeration date May 31, 2006

Last updated in NPPES Feb 27, 2019

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 54989 (GA) Secondary

2080N0001X Neonatal-Perinatal Medicine Physician Allopathic & Osteopathic Physicians · License R6358 (TX) Secondary

2080N0001X Neonatal-Perinatal Medicine Physician Allopathic & Osteopathic Physicians · License 054989 (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
385001801	Medicaid	TX	-
4519014	Other	GA	AETNA
374271	Other	GA	CIGNA
1972540060	Other	GA	UNITED HEALTHCARE
01208122	Other	GA	AMERIGROUP
247262164F	Medicaid	GA	-
459338	Other	GA	WELLCARE
52703314	Other	GA	BCBS

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 Armando Castillo?

The National Provider Identifier (NPI) for Armando Castillo is 1972540060, a Type 1 (individual) record in the CMS NPPES registry.

Where does Armando Castillo practice?

The practice location on file with NPPES is in Gainesville, GA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-02-27.