ELLEN J DELOYA DO
NPI 1457934648
Family Medicine in San Diego, CA
About Ellen J Deloya Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELLEN J DELOYA DO (NPI 1457934648) is an individual family medicine provider in San Diego, California, licensed in California (20A23860) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ellen J Deloya Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Ellen Deloya reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92111
- Reassigned Medicare billing, California enrollment
- 1,233 clinicians in this Medicare group
Mountain Home, ID 83647
- Reassigned Medicare billing, Idaho enrollment
- 1,312 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92127 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92127
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ellen Deloya's NPI number?
The NPI number for Ellen Deloya is 1457934648. It was assigned to this individual provider in the NPPES registry on May 4, 2021. The provider is also known as Ellen J Douglass Do.
Where is Ellen Deloya located?
Ellen Deloya practices at 16899 W Bernardo Dr, San Diego, CA 92127. The listed phone number is (858) 499-2705.
What is Ellen Deloya's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Ellen Deloya enrolled in Medicare?
Yes. Ellen Deloya is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ellen Deloya's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Deloya reassigns Medicare benefits to 2 organizations: Sharp Rees-Stealy Medical Group, Inc (San Diego, CA) and St Lukes Clinic-Treasure Valley LLC (Mountain Home, ID). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ellen Deloya's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ellen Deloya accept?
Health plans from Providence Health Plan list Ellen Deloya as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ellen Deloya was last updated on August 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ellen J Deloya, DO · NPI 1457934648
Family Medicine physician in San Diego, California. Individual provider, active in the CMS NPPES registry since May 4, 2021.
## Identity
- **NPI:** 1457934648 (Entity type: Individual)
- **Enumerated:** May 4, 2021
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 20A23860 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 16899 W BERNARDO DR, San Diego, CA 92127-1603
- **Phone:** (858) 499-2705
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Sharp Rees-Stealy Medical Group, Inc (NPI 1285616177, San Diego, CA); St Lukes Clinic-Treasure Valley LLC (NPI 1417297821, Mountain Home, ID) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 13, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1457934648) · Data from the CMS NPPES public registry.