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Howard Chang
NPI 1720671407 · Internal Medicine Physician · Jacksonville, FL
Howard Chang is a Internal Medicine Physician provider in Jacksonville, FL (NPI 1720671407).
Provider details
- NPI number
- 1720671407
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- TRN37669 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(67/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
4500 San Pablo Rd S
Jacksonville, FL 32224-1865
Phone: (904) 953-2000
Street-level locationGet directions
Mailing address
4500 San Pablo Rd S
Jacksonville, FL 32224-1865
Additional practice locations (1)
- 600 N Wolfe StBaltimore, MD 21287-0005Phone: (410) 955-5000
Registry dates
- Enumerated
- 2021-02-14
- Last updated
- 2023-07-06
- Certified
- 2023-07-06
Frequently asked questions
- What is Howard Chang's NPI number?
- Howard Chang's National Provider Identifier (NPI) is 1720671407, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Howard Chang's specialty?
- Howard Chang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Howard Chang located?
- Howard Chang's practice location on file with NPPES is 4500 San Pablo Rd S, Jacksonville, FL 32224-1865.
- What is Howard Chang's phone number?
- The practice phone number listed in the NPPES registry for Howard Chang is (904) 953-2000.
- Is Howard Chang's NPI active?
- Yes — Howard Chang's NPI (1720671407) is active in the NPPES registry as of the last update on 2023-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.