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Guillermo Castillo, M.D.
NPI 1801828967 · Specialist · Savoy, IL
Guillermo Castillo, M.D. is a Specialist provider in Savoy, IL (NPI 1801828967).
Provider details
- NPI number
- 1801828967
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(84/100 index)
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
83% 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
1804 Woodfield Dr
Savoy, IL 61874-9505
Phone: (217) 359-7508
Fax: (217) 359-8602
Street-level locationGet directions
Mailing address
1804 Woodfield Dr
Savoy, IL 61874-9505
Registry dates
- Enumerated
- 2006-07-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is Guillermo Castillo's NPI number?
- Guillermo Castillo's National Provider Identifier (NPI) is 1801828967, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guillermo Castillo's specialty?
- Guillermo Castillo is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Guillermo Castillo located?
- Guillermo Castillo's practice location on file with NPPES is 1804 Woodfield Dr, Savoy, IL 61874-9505.
- What is Guillermo Castillo's phone number?
- The practice phone number listed in the NPPES registry for Guillermo Castillo is (217) 359-7508.
- Is Guillermo Castillo's NPI active?
- Yes — Guillermo Castillo's NPI (1801828967) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.