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Sidney Chang
NPI 1457118127 · Military Hospital · Portsmouth, VA
Sidney Chang is a Military Hospital provider in Portsmouth, VA (NPI 1457118127).
Provider details
- NPI number
- 1457118127
- Entity type
- Individual
- Primary specialty
- Military HospitalHospitals
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Hospitals
Profile Score
Established profile(50/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
620 John Paul Jones Cir
Portsmouth, VA 23708-2111
Phone: (757) 953-1365
Street-level locationGet directions
Mailing address
Naval Medical Center Portsmouth
Portsmouth, VA 23708
Registry dates
- Enumerated
- 2024-02-29
- Last updated
- 2025-07-03
- Certified
- 2025-06-22
Frequently asked questions
- What is Sidney Chang's NPI number?
- Sidney Chang's National Provider Identifier (NPI) is 1457118127, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sidney Chang's specialty?
- Sidney Chang is listed in the NPPES registry with a primary specialty of Military Hospital (Hospitals).
- Where is Sidney Chang located?
- Sidney Chang's practice location on file with NPPES is 620 John Paul Jones Cir, Portsmouth, VA 23708-2111.
- What is Sidney Chang's phone number?
- The practice phone number listed in the NPPES registry for Sidney Chang is (757) 953-1365.
- Is Sidney Chang's NPI active?
- Yes — Sidney Chang's NPI (1457118127) is active in the NPPES registry as of the last update on 2025-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.