James Wong, MD
NPI 1801811955 · Critical Care Medicine (Internal Medicine) Physician · Pasadena, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Wong, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Pasadena, CA (NPI 1801811955).
Provider details
- NPI number
- 1801811955
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A22857 (CA)
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
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
- 2006-07-12
- Last updated
- 2025-09-11
Frequently asked questions
- What is James Wong's NPI number?
- James Wong's National Provider Identifier (NPI) is 1801811955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Wong's specialty?
- James Wong is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is James Wong located?
- James Wong's practice location on file with NPPES is 50 Bellefontaine St, Pasadena, CA 91105-3132.
- What is James Wong's phone number?
- The practice phone number listed in the NPPES registry for James Wong is (626) 578-7557.
- Does James Wong accept Medicare?
- James Wong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Wong's NPI active?
- Yes — James Wong's NPI (1801811955) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.