James Shum, MD
NPI 1770661258 · Hematology & Oncology Physician · Stockton, CA
James Shum, MD is a Hematology & Oncology Physician provider in Stockton, CA (NPI 1770661258).
Provider details
- NPI number
- 1770661258
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G86343 (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
- 2006-11-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Shum's NPI number?
- James Shum's National Provider Identifier (NPI) is 1770661258, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Shum's specialty?
- James Shum is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is James Shum located?
- James Shum's practice location on file with NPPES is 7373 West Ln, Stockton, CA 95210-3377.
- What is James Shum's phone number?
- The practice phone number listed in the NPPES registry for James Shum is (209) 476-2000.
- Is James Shum's NPI active?
- Yes — James Shum's NPI (1770661258) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.