Oswaldo Castro, M.D.
NPI 1902022825 · Hematology (Internal Medicine) Physician · Washington, DC
Oswaldo Castro, M.D. is a Hematology (Internal Medicine) Physician provider in Washington, DC (NPI 1902022825).
Provider details
- NPI number
- 1902022825
- Entity type
- Individual
- Primary specialty
- Hematology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD25814 (DC)
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
- 2007-04-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Oswaldo Castro's NPI number?
- Oswaldo Castro's National Provider Identifier (NPI) is 1902022825, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oswaldo Castro's specialty?
- Oswaldo Castro is listed in the NPPES registry with a primary specialty of Hematology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Oswaldo Castro located?
- Oswaldo Castro's practice location on file with NPPES is 520 W Street Nw, Washington, DC 20059-0001.
- What is Oswaldo Castro's phone number?
- The practice phone number listed in the NPPES registry for Oswaldo Castro is (202) 865-8291.
- Is Oswaldo Castro's NPI active?
- Yes — Oswaldo Castro's NPI (1902022825) 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.