John Castillo, MD
NPI 1487384160 · Student in an Organized Health Care Education/Training Program · Winston Salem, NC
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Castillo, MD is a Student in an Organized Health Care Education/Training Program provider in Winston Salem, NC (NPI 1487384160).
Provider details
- NPI number
- 1487384160
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 35 | 13 |
| Lisinopril | 23 | — |
| Famotidine | 18 | — |
| Losartan Potassium | 15 | — |
| Metformin Hcl | 14 | — |
| Insulin Degludecbrand: Tresiba Flextouch U-200 | 14 | — |
| Semaglutidebrand: Ozempic |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-06-14
- Last updated
- 2025-06-19
- Certified
- 2025-06-19
Frequently asked questions
- What is John Castillo's NPI number?
- John Castillo's National Provider Identifier (NPI) is 1487384160, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Castillo's specialty?
- John Castillo is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is John Castillo located?
- John Castillo's practice location on file with NPPES is Medical Center Blvd, Winston Salem, NC 27157-1101.
- What is John Castillo's phone number?
- The practice phone number listed in the NPPES registry for John Castillo is (336) 716-2255.
- Does John Castillo accept Medicare?
- John Castillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Castillo's NPI active?
- Yes — John Castillo's NPI (1487384160) is active in the NPPES registry as of the last update on 2025-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.