Chia-Ling Nhan-Chang, M.D.
NPI 1265686794 · Maternal & Fetal Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chia-Ling Nhan-Chang, M.D. is a Maternal & Fetal Medicine Physician provider in San Diego, CA (NPI 1265686794).
Provider details
- NPI number
- 1265686794
- Entity type
- Individual
- Primary specialty
- Maternal & Fetal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 255921 (NY)
Specialties & taxonomies
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
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
5 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
Mailing address
Additional practice locations (4)
- 781 Garden View Ct Ste 200Encinitas, CA 92024-2481Phone: (800) 926-8273
- 9300 Campus Point DrLa Jolla, CA 92037-1300Phone: (800) 926-8273
- 4910 Directors PlSan Diego, CA 92121-3811Phone: (800) 926-8273
- 16950 Via TazonSan Diego, CA 92127-1607Phone: (800) 926-8273
Registry dates
- Enumerated
- 2008-11-11
- Last updated
- 2024-04-22
- Certified
- 2024-04-22
Frequently asked questions
- What is Chia-Ling Nhan-Chang's NPI number?
- Chia-Ling Nhan-Chang's National Provider Identifier (NPI) is 1265686794, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chia-Ling Nhan-Chang's specialty?
- Chia-Ling Nhan-Chang is listed in the NPPES registry with a primary specialty of Maternal & Fetal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chia-Ling Nhan-Chang located?
- Chia-Ling Nhan-Chang's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is Chia-Ling Nhan-Chang's phone number?
- The practice phone number listed in the NPPES registry for Chia-Ling Nhan-Chang is (009) 268-2738.
- Does Chia-Ling Nhan-Chang accept Medicare?
- Chia-Ling Nhan-Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chia-Ling Nhan-Chang's NPI active?
- Yes — Chia-Ling Nhan-Chang's NPI (1265686794) is active in the NPPES registry as of the last update on 2024-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.