OWER CIPRIAN CASTRO
NPI 1588950216
Family Medicine in West Covina, CA
About Ower Ciprian Castro NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OWER CIPRIAN CASTRO (NPI 1588950216) is an individual family medicine provider in West Covina, California, licensed in California (A128427) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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
Ower Ciprian Castro 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
4Medicare enrollment records show Ower Castro reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Covina, CA 91790
- Reassigned Medicare billing, California enrollment
- 114 clinicians in this Medicare group
Covina, CA 91723
- Reassigned Medicare billing, California enrollment
- 70 clinicians in this Medicare group
Ontario, CA 91761
- Reassigned Medicare billing, California enrollment
- 233 clinicians in this Medicare group
Fontana, CA 92336
- Reassigned Medicare billing, California enrollment
- 80 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91790 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
WEST COVINA, CA 91790
WEST COVINA, CA 91790
WEST COVINA, CA 91790
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 Ower Castro's NPI number?
The NPI number for Ower Castro is 1588950216. It was assigned to this individual provider in the NPPES registry on June 21, 2011.
Where is Ower Castro located?
Ower Castro practices at 1115 S Sunset Ave, West Covina, CA 91790. The listed phone number is (626) 962-4011.
What is Ower Castro's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Ower Castro enrolled in Medicare?
Yes. Ower Castro 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 Ower Castro's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ower Castro reassigns Medicare benefits to 4 organizations: Emanate Health Medical Care Foundation (West Covina, CA), Emanate Health Medical Group (Covina, CA), County Of San Bernardino (Ontario, CA) and Vituity Physician Services PC (Fontana, CA). 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 Ower Castro's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ower Castro was last updated on January 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Ower Ciprian Castro · NPI 1588950216
Family Medicine physician in West Covina, California. Individual provider, active in the CMS NPPES registry since June 21, 2011.
## Identity
- **NPI:** 1588950216 (Entity type: Individual)
- **Enumerated:** June 21, 2011
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A128427 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1115 S SUNSET AVE, West Covina, CA 91790-3940
- **Phone:** (626) 962-4011
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Emanate Health Medical Care Foundation (NPI 1467195073, West Covina, CA); Emanate Health Medical Group (NPI 1881054997, Covina, CA); County Of San Bernardino (NPI 1043281561, Ontario, CA); Vituity Physician Services PC (NPI 1124884176, Fontana, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** January 30, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1588950216) · Data from the CMS NPPES public registry.