IndividualActive
James Wang, M.D.
NPI 1639413123 · Internal Medicine Physician · Irvine, CA
James Wang, M.D. is a Internal Medicine Physician provider in Irvine, CA (NPI 1639413123).
Provider details
- NPI number
- 1639413123
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G59796 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(78/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
26 Executive Park
Suite 200
Irvine, CA 92614-6739
Phone: (818) 679-8832
Fax: (949) 721-8285
Street-level locationGet directions
Mailing address
Po Box 2592
Palos Verdes Peninsula, CA 90274-8592
Registry dates
- Enumerated
- 2012-11-21
- Last updated
- 2015-01-20
Frequently asked questions
- What is James Wang's NPI number?
- James Wang's National Provider Identifier (NPI) is 1639413123, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Wang's specialty?
- James Wang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Wang located?
- James Wang's practice location on file with NPPES is 26 Executive Park, Irvine, CA 92614-6739.
- What is James Wang's phone number?
- The practice phone number listed in the NPPES registry for James Wang is (818) 679-8832.
- Is James Wang's NPI active?
- Yes — James Wang's NPI (1639413123) is active in the NPPES registry as of the last update on 2015-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.