JUAN MANUEL OLIVA MD
NPI 1023133527
Family Medicine in Fontana, CA
About Juan Manuel Oliva Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUAN MANUEL OLIVA MD (NPI 1023133527) is an individual family medicine provider in Fontana, California, licensed in California (A91940) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses
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
Juan Manuel Oliva Md 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
3Medicare enrollment records show Juan Oliva reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Anaheim, CA 92807
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Salem, OR 97317
- Reassigned Medicare billing, Oregon and Washington enrollments
- Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
- Also billed through NPI 1871848457 (Washington)
- 3,207 clinicians in this Medicare group
Renton, WA 98057
- Reassigned Medicare billing, Washington enrollment
- 2,678 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 92337 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.
FONTANA, CA 92337
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 Juan Oliva's NPI number?
The NPI number for Juan Oliva is 1023133527. It was assigned to this individual provider in the NPPES registry on March 21, 2007.
Where is Juan Oliva located?
Juan Oliva practices at 17284 Slover Ave, Fontana, CA 92337. The listed phone number is (909) 609-3000.
What is Juan Oliva's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Juan Oliva enrolled in Medicare?
Yes. Juan Oliva 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 Juan Oliva's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Juan Oliva reassigns Medicare benefits to 3 organizations: Southern California Permanente Medical Group (Anaheim, CA), South Salem Rehabilitation, LLC (Salem, OR) and Kaiser Foundation Health Plan Of Washington (Renton, WA). 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 Juan Oliva'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 Juan Oliva was last updated on June 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Juan Manuel Oliva, MD · NPI 1023133527
Family Medicine physician in Fontana, California. Individual provider, active in the CMS NPPES registry since March 21, 2007.
## Identity
- **NPI:** 1023133527 (Entity type: Individual)
- **Enumerated:** March 21, 2007
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A91940 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 17284 SLOVER AVE, Fontana, CA 92337-7584
- **Phone:** (909) 609-3000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1952333460, Anaheim, CA); South Salem Rehabilitation, LLC (NPI 1215071998, Salem, OR); Kaiser Foundation Health Plan Of Washington (NPI 1124264577, Renton, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** June 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1023133527) · Data from the CMS NPPES public registry.