Rodolfo Castillo-Ruiz, MD
NPI 1174549182 · Family Medicine Physician · San Luis Obispo, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rodolfo Castillo-Ruiz, MD is a Family Medicine Physician provider in San Luis Obispo, CA (NPI 1174549182).
Provider details
- NPI number
- 1174549182
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A51574 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2015-04-22
Frequently asked questions
- What is Rodolfo Castillo-Ruiz's NPI number?
- Rodolfo Castillo-Ruiz's National Provider Identifier (NPI) is 1174549182, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rodolfo Castillo-Ruiz's specialty?
- Rodolfo Castillo-Ruiz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rodolfo Castillo-Ruiz located?
- Rodolfo Castillo-Ruiz's practice location on file with NPPES is 1551 Bishop St, San Luis Obispo, CA 93401-4635.
- What is Rodolfo Castillo-Ruiz's phone number?
- The practice phone number listed in the NPPES registry for Rodolfo Castillo-Ruiz is (805) 269-1500.
- Does Rodolfo Castillo-Ruiz accept Medicare?
- Rodolfo Castillo-Ruiz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rodolfo Castillo-Ruiz's NPI active?
- Yes — Rodolfo Castillo-Ruiz's NPI (1174549182) is active in the NPPES registry as of the last update on 2015-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.