Ellen J. Deloya, DO
Family Medicine Physician · San Diego, CA
Ellen J. Deloya, DO is a family medicine physician with a practice address in San Diego, California, and NPI 1457934648, issued on May 4, 2021. Check the license (California 20A23860, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ellen J. Deloya
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 20A23860 CA
MRO-2047 ID
O-1753 ID
Self-reported in NPPES; status is on the state search - Practice location
- 16899 W Bernardo Dr, San Diego, CA 92127
- Phone
- (858) 499-2705
- Enumerated
- May 4, 2021
- Record last updated
- Aug 13, 2025
- Medicare enrollment
- Enrolled (PECOS I20250815002961); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 16899 W Bernardo Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather Beaman, PA-CMedical Physician Assistant1164411369
- Kathrin Belanger, OTR/L, CHTOccupational Therapist1063735470
- Andrea Brady, PT, DPTPhysical Therapist1215614722
- Amity Clow, MDSports Medicine (Family Medicine) Physician1164805354
- Kathryn Dorroh, DPTOrthopedic Physical Therapist1295039709
- Amir Hajimirsadeghi, DPMFoot & Ankle Surgery Podiatrist1427232537
Verify Ellen J. Deloya in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A23860Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average family medicine physician in 2024
788 Medicare Part D claims for 184 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium42 claims
- Rosuvastatin Calcium39 claims
- Levothyroxine Sodium33 claims
- Amlodipine Besylate32 claims
- Lisinopril31 claims
- Jardiance30 claims
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.
Bills Medicare through 2 group practices
- Sharp Rees-Stealy Medical Group IncSan Diego, CA
- St Lukes Clinic-Treasure Valley LLCNampa, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
780 family medicine physician records list a practice address in San Diego
They are 780 of the 52,937 NPPES records with a practice address in San Diego, and 17,133 family medicine physician records in California.
All 780 in San Diego → All 17,133 in California → Every provider in San Diego →
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- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Ellen J. Deloya, DO's NPI number?
Ellen J. Deloya, DO's National Provider Identifier (NPI) is 1457934648, issued on May 4, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Ellen J. Deloya, DO located?
The NPPES record lists a practice address at 16899 W Bernardo Dr, San Diego, CA, 92127. Phone: (858) 499-2705. Providers update this record themselves, so call before visiting.
How can I verify Ellen J. Deloya, DO's license?
NPPES lists California license number 20A23860, 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 Ellen J. Deloya, DO prescribe under Medicare Part D?
In 2024, Ellen J. Deloya, DO had 788 Medicare Part D claims for 184 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.