Lee-Jah Chang, MD
NPI 1912181231 · Allergy & Immunology Physician · Gaithersburg, MD
Lee-Jah Chang, MD is a Allergy & Immunology Physician provider in Gaithersburg, MD (NPI 1912181231).
Provider details
- NPI number
- 1912181231
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- D72239 (MD)
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
18 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
- 2007-12-21
- Last updated
- 2021-08-08
- Certified
- 2021-08-08
Frequently asked questions
- What is Lee-Jah Chang's NPI number?
- Lee-Jah Chang's National Provider Identifier (NPI) is 1912181231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lee-Jah Chang's specialty?
- Lee-Jah Chang is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Lee-Jah Chang located?
- Lee-Jah Chang's practice location on file with NPPES is 1 Medimmune Way, Gaithersburg, MD 20878-2204.
- What is Lee-Jah Chang's phone number?
- The practice phone number listed in the NPPES registry for Lee-Jah Chang is (301) 398-0000.
- Is Lee-Jah Chang's NPI active?
- Yes — Lee-Jah Chang's NPI (1912181231) is active in the NPPES registry as of the last update on 2021-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.