Robert Chen, MD
NPI 1083751358 · Hematology (Internal Medicine) Physician · Los Angeles, CA
Robert Chen, MD is a Hematology (Internal Medicine) Physician provider in Los Angeles, CA (NPI 1083751358).
Provider details
- NPI number
- 1083751358
- Entity type
- Individual
- Primary specialty
- Hematology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A104327 (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
- 2007-01-30
- Last updated
- 2019-01-02
Frequently asked questions
- What is Robert Chen's NPI number?
- Robert Chen's National Provider Identifier (NPI) is 1083751358, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Chen's specialty?
- Robert Chen is listed in the NPPES registry with a primary specialty of Hematology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Chen located?
- Robert Chen's practice location on file with NPPES is 2646 Lake View Ave, Los Angeles, CA 90039-4021.
- What is Robert Chen's phone number?
- The practice phone number listed in the NPPES registry for Robert Chen is (303) 913-4146.
- Is Robert Chen's NPI active?
- Yes — Robert Chen's NPI (1083751358) is active in the NPPES registry as of the last update on 2019-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.