IndividualActive
Lilian Chang, M.D.
NPI 1932120649 · Internal Medicine Physician · Irvine, CA
Lilian Chang, M.D. is a Internal Medicine Physician provider in Irvine, CA (NPI 1932120649).
Provider details
- NPI number
- 1932120649
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G075860 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
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
14785 Jeffrey Rd Ste 105
Irvine, CA 92618-0409
Phone: (949) 552-5108
Street-level locationGet directions
Mailing address
42 Cezanne
Irvine, CA 92603-0208
Registry dates
- Enumerated
- 2006-07-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Lilian Chang's NPI number?
- Lilian Chang's National Provider Identifier (NPI) is 1932120649, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lilian Chang's specialty?
- Lilian Chang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lilian Chang located?
- Lilian Chang's practice location on file with NPPES is 14785 Jeffrey Rd Ste 105, Irvine, CA 92618-0409.
- What is Lilian Chang's phone number?
- The practice phone number listed in the NPPES registry for Lilian Chang is (949) 552-5108.
- Is Lilian Chang's NPI active?
- Yes — Lilian Chang's NPI (1932120649) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.