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Alexander Chang, M.D.
NPI 1578598009 · Anesthesiology Physician · Pomona, CA
Alexander Chang, M.D. is a Anesthesiology Physician provider in Pomona, CA (NPI 1578598009).
Provider details
- NPI number
- 1578598009
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A34517 (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
1798 N Garey Ave
Pomona, CA 91767-2918
Phone: (909) 865-9140
Street-level locationGet directions
Mailing address
Po Box 148
Claremont, CA 91711-0148
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2009-11-03
Frequently asked questions
- What is Alexander Chang's NPI number?
- Alexander Chang's National Provider Identifier (NPI) is 1578598009, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Chang's specialty?
- Alexander Chang is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Chang located?
- Alexander Chang's practice location on file with NPPES is 1798 N Garey Ave, Pomona, CA 91767-2918.
- What is Alexander Chang's phone number?
- The practice phone number listed in the NPPES registry for Alexander Chang is (909) 865-9140.
- Is Alexander Chang's NPI active?
- Yes — Alexander Chang's NPI (1578598009) is active in the NPPES registry as of the last update on 2009-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.