Elliot Joel Nielson, MD
Family Medicine Physician · Orange, CA
Elliot Joel Nielson, MD is a family medicine physician with a practice address in Orange, California, and NPI 1023711389, issued on Mar 24, 2023. Check the license (California A206889, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Elliot Joel Nielson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A206889 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S Ste 835, Orange, CA 92868
- Phone
- (714) 480-2440
- Enumerated
- Mar 24, 2023
- Record last updated
- May 7, 2026
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 101 The City Dr S Ste 835
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Elliot Joel Nielson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A206889Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
88 Medicare Part D claims for 20 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Elliot Joel Nielson among 17,133 family medicine physician records in California
Elliot Joel Nielson, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 97% of them.
- NPI issued2023 · 97% of these records are older, 1% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
106 family medicine physician records list a practice address in Orange
They are 106 of the 13,245 NPPES records with a practice address in Orange, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Orange → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Latika Arsecularatne, M.D.Orange, CA 928681518070382
- Catherine Cummins, MDOrange, CA 928681003996109
- Prajakta Deshpande, MDOrange, CA 928681760576094
- Emily E Dow, MDOrange, CA 928681275613317
- Cecilia A Florio, MDOrange, CA 928681770663825
- Kathleen E Gallagher, MDOrange, CA 928681932289089
- Lisa M Gibbs, MDOrange, CA 928681578643623
- John A Heydt, MDOrange, CA 928681750461810
Common questions
What is Elliot Joel Nielson, MD's NPI number?
Elliot Joel Nielson, MD's National Provider Identifier (NPI) is 1023711389, issued on Mar 24, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Elliot Joel Nielson, MD located?
The NPPES record lists a practice address at 101 The City Dr S Ste 835, Orange, CA, 92868. Phone: (714) 480-2440. Providers update this record themselves, so call before visiting.
How can I verify Elliot Joel Nielson, MD's license?
NPPES lists California license number A206889, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Elliot Joel Nielson, MD prescribe under Medicare Part D?
In 2024, Elliot Joel Nielson, MD had 88 Medicare Part D claims for 20 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.