Roberto Castro, MD.
NPI 1083600050 · Internal Medicine Physician · Sigourney, IA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roberto Castro, MD. is a Internal Medicine Physician provider in Sigourney, IA (NPI 1083600050).
Provider details
- NPI number
- 1083600050
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036094399 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-09-23
- Last updated
- 2011-12-13
Frequently asked questions
- What is Roberto Castro's NPI number?
- Roberto Castro's National Provider Identifier (NPI) is 1083600050, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roberto Castro's specialty?
- Roberto Castro is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Roberto Castro located?
- Roberto Castro's practice location on file with NPPES is 23019 Highway 149, Sigourney, IA 52591-8341.
- What is Roberto Castro's phone number?
- The practice phone number listed in the NPPES registry for Roberto Castro is (641) 622-2720.
- Does Roberto Castro accept Medicare?
- Roberto Castro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roberto Castro's NPI active?
- Yes — Roberto Castro's NPI (1083600050) is active in the NPPES registry as of the last update on 2011-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.