David Simon, MD
NPI 1780818369 · Pediatric Hematology & Oncology Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Simon, MD is a Pediatric Hematology & Oncology Physician provider in Long Beach, CA (NPI 1780818369).
Provider details
- NPI number
- 1780818369
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A86752 (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
17 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
- 2009-05-11
- Last updated
- 2021-12-02
Frequently asked questions
- What is David Simon's NPI number?
- David Simon's National Provider Identifier (NPI) is 1780818369, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Simon's specialty?
- David Simon is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is David Simon located?
- David Simon's practice location on file with NPPES is 2653 Elm Ave, Long Beach, CA 90806-1652.
- What is David Simon's phone number?
- The practice phone number listed in the NPPES registry for David Simon is (562) 492-1062.
- Does David Simon accept Medicare?
- David Simon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Simon's NPI active?
- Yes — David Simon's NPI (1780818369) is active in the NPPES registry as of the last update on 2021-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.