Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ronny Rodriguez Castillo
Dentist in Billings, MT · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1184275471
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Registry record
Entity type Individual (Type 1)
Name Ronny Rodriguez Castillo
Sex Male
Practice address 315 N 25th St Ste 101, Billings, MT, 59101
Phone (406) 248-6177
Fax (406) 248-1556
Enumeration date Sep 27, 2019
Last updated in NPPES Oct 23, 2020
Taxonomy & licenses
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.
Frequently asked questions
Where does Ronny Rodriguez Castillo practice?
The practice location on file with NPPES is in Billings, MT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ronny Rodriguez Castillo?
The National Provider Identifier (NPI) for Ronny Rodriguez Castillo is 1184275471, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Timothy Lawhorn General Practice Dentistry · Billings, MT NPI 1417034562 Connor Schwarzinger Dentist · Billings, MT NPI 1982132924 Ashley Boettger General Practice Dentistry · Billings, MT NPI 1053806737 Whitney Word Dentist · Billings, MT NPI 1386337616 Christopher Allen Dentist · Billings, MT NPI 1205513009 Mudita Verma General Practice Dentistry · Billings, MT NPI 1821827809
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-23.