Jonathan Simons, M.D.
NPI 1821105248 · Hematology & Oncology Physician · Santa Monica, CA
Jonathan Simons, M.D. is a Hematology & Oncology Physician provider in Santa Monica, CA (NPI 1821105248).
Provider details
- NPI number
- 1821105248
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 49370 (GA)
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
- 2006-08-23
- Last updated
- 2013-10-22
Frequently asked questions
- What is Jonathan Simons's NPI number?
- Jonathan Simons's National Provider Identifier (NPI) is 1821105248, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Simons's specialty?
- Jonathan Simons is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Simons located?
- Jonathan Simons's practice location on file with NPPES is 1250 4th St, Santa Monica, CA 90401-1366.
- What is Jonathan Simons's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Simons is (310) 570-4712.
- Is Jonathan Simons's NPI active?
- Yes — Jonathan Simons's NPI (1821105248) is active in the NPPES registry as of the last update on 2013-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.