Stephen Lee, M.D.
NPI 1538261805 · Gastroenterology Physician · Castro Valley, CA
Stephen Lee, M.D. is a Gastroenterology Physician provider in Castro Valley, CA (NPI 1538261805).
Provider details
- NPI number
- 1538261805
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A40530 (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
- 2006-09-05
- Last updated
- 2022-01-25
- Certified
- 2022-01-25
Frequently asked questions
- What is Stephen Lee's NPI number?
- Stephen Lee's National Provider Identifier (NPI) is 1538261805, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Lee's specialty?
- Stephen Lee is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Lee located?
- Stephen Lee's practice location on file with NPPES is 19845 Lake Chabot Rd, Castro Valley, CA 94546-4055.
- What is Stephen Lee's phone number?
- The practice phone number listed in the NPPES registry for Stephen Lee is (510) 537-4415.
- Is Stephen Lee's NPI active?
- Yes — Stephen Lee's NPI (1538261805) is active in the NPPES registry as of the last update on 2022-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.