Walter Castro, M.D.
NPI 1558566794 · Pediatric Pulmonology Physician · Hershey, PA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Castro, M.D. is a Pediatric Pulmonology Physician provider in Hershey, PA (NPI 1558566794).
Provider details
- NPI number
- 1558566794
- Entity type
- Individual
- Primary specialty
- Pediatric Pulmonology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 48498 (AZ)
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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1432 S Dobson RdSte. 506Mesa, AZ 85202-4768Phone: (480) 412-6430Fax: (480) 412-6438
Registry dates
- Enumerated
- 2007-06-18
- Last updated
- 2023-12-06
- Certified
- 2023-12-06
Frequently asked questions
- What is Walter Castro's NPI number?
- Walter Castro's National Provider Identifier (NPI) is 1558566794, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Castro's specialty?
- Walter Castro is listed in the NPPES registry with a primary specialty of Pediatric Pulmonology Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Castro located?
- Walter Castro's practice location on file with NPPES is 500 University Dr, Hershey, PA 17033-2360.
- What is Walter Castro's phone number?
- The practice phone number listed in the NPPES registry for Walter Castro is (717) 531-5338.
- Does Walter Castro accept Medicare?
- Walter Castro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Castro's NPI active?
- Yes — Walter Castro's NPI (1558566794) is active in the NPPES registry as of the last update on 2023-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.