OrganizationActive
Gary Lee, M.D. & James Chen M.D., Inc.
NPI 1447423504 · Hospitalist Physician · San Mateo, CA
Provider details
- NPI number
- 1447423504
- Entity type
- Organization
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gary Lee, President(650) 245-6632
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
101 S San Mateo Dr
San Mateo, CA 94401-3819
Phone: (650) 344-6353
Street-level locationGet directions
Mailing address
Po Box 5639
San Mateo, CA 94402-0639
Registry dates
- Enumerated
- 2008-04-10
- Last updated
- 2008-04-10
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.