DR. JEFFREY A HAGA DO
NPI 1902847320
Family Medicine in Rancho Cucamonga, CA
About Dr. Jeffrey A Haga Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JEFFREY A HAGA DO (NPI 1902847320) is an individual family medicine provider in Rancho Cucamonga, California, licensed in California (20A9334) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Jeffrey A Haga Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Jeffrey Haga reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ontario, CA 91764
- Reassigned Medicare billing, California enrollment
- 233 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 91739 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.
RANCHO CUCAMONGA, CA 91739
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 Jeffrey Haga's NPI number?
The NPI number for Jeffrey Haga is 1902847320. It was assigned to this individual provider in the NPPES registry on June 9, 2006.
Where is Jeffrey Haga located?
Jeffrey Haga practices at 9500 Etiwanda Ave, Rancho Cucamonga, CA 91739. The listed phone number is (909) 463-5085.
What is Jeffrey Haga's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Jeffrey Haga enrolled in Medicare?
Yes. Jeffrey Haga is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Jeffrey Haga's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Haga reassigns Medicare benefits to County Of San Bernardino (Ontario, CA). The 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 Jeffrey Haga'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 Jeffrey Haga was last updated on March 15, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.