IndividualActive
Lisa Chang, M.D.
NPI 1962605907 · Ophthalmology Physician · Concord, CA
Lisa Chang, M.D. is a Ophthalmology Physician provider in Concord, CA (NPI 1962605907).
Provider details
- NPI number
- 1962605907
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G56527 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 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
2338 Almond Ave
Concord, CA 94520-2026
Phone: (925) 685-1130
Fax: (925) 685-1162
Street-level locationGet directions
Mailing address
17 Emmons Canyon Court
Alamo, CA 94507
Registry dates
- Enumerated
- 2007-06-07
- Last updated
- 2014-09-22
Frequently asked questions
- What is Lisa Chang's NPI number?
- Lisa Chang's National Provider Identifier (NPI) is 1962605907, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lisa Chang's specialty?
- Lisa Chang is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Lisa Chang located?
- Lisa Chang's practice location on file with NPPES is 2338 Almond Ave, Concord, CA 94520-2026.
- What is Lisa Chang's phone number?
- The practice phone number listed in the NPPES registry for Lisa Chang is (925) 685-1130.
- Is Lisa Chang's NPI active?
- Yes — Lisa Chang's NPI (1962605907) is active in the NPPES registry as of the last update on 2014-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.