James Chia-Chung Chang, M.D., a Professional Corporation
NPI 1588773402 · Anesthesiology Physician · Fountain Valley, CA
James Chia-Chung Chang, M.D., a Professional Corporation is a Anesthesiology Physician organization in Fountain Valley, CA (NPI 1588773402).
Provider details
- NPI number
- 1588773402
- Entity type
- Organization
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- James Chang, President(800) 883-7243
- License
- A44296 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2008-05-22
Frequently asked questions
- What is James Chia-Chung Chang, M.D., a Professional Corporation's NPI number?
- James Chia-Chung Chang, M.D., a Professional Corporation's National Provider Identifier (NPI) is 1588773402, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is James Chia-Chung Chang, M.D., a Professional Corporation?
- James Chia-Chung Chang, M.D., a Professional Corporation is classified in the NPPES registry as Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is James Chia-Chung Chang, M.D., a Professional Corporation located?
- James Chia-Chung Chang, M.D., a Professional Corporation's practice location on file with NPPES is 9920 Talbert Ave, Fountain Valley, CA 92708-5153.
- What is James Chia-Chung Chang, M.D., a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for James Chia-Chung Chang, M.D., a Professional Corporation is (800) 883-7243.
- Who is the authorized official for James Chia-Chung Chang, M.D., a Professional Corporation?
- The authorized official listed on James Chia-Chung Chang, M.D., a Professional Corporation's NPPES record is James Chang, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is James Chia-Chung Chang, M.D., a Professional Corporation's NPI active?
- Yes — James Chia-Chung Chang, M.D., a Professional Corporation's NPI (1588773402) is active in the NPPES registry as of the last update on 2008-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.