Geoffrey Cheng, MD
NPI 1003307687 · Pediatric Hematology & Oncology Physician · Orange, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Geoffrey Cheng, MD is a Pediatric Hematology & Oncology Physician provider in Orange, CA (NPI 1003307687).
Provider details
- NPI number
- 1003307687
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A174657 (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
8 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
- 2018-05-19
- Last updated
- 2026-02-20
- Certified
- 2026-02-20
Frequently asked questions
- What is Geoffrey Cheng's NPI number?
- Geoffrey Cheng's National Provider Identifier (NPI) is 1003307687, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Geoffrey Cheng's specialty?
- Geoffrey Cheng is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Geoffrey Cheng located?
- Geoffrey Cheng's practice location on file with NPPES is 1201 W La Veta Ave, Orange, CA 92868-4203.
- What is Geoffrey Cheng's phone number?
- The practice phone number listed in the NPPES registry for Geoffrey Cheng is (714) 509-8636.
- Does Geoffrey Cheng accept Medicare?
- Geoffrey Cheng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Geoffrey Cheng's NPI active?
- Yes — Geoffrey Cheng's NPI (1003307687) is active in the NPPES registry as of the last update on 2026-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.