JONATHAN GREER M.D.
NPI 1760468839
General Practice in Moreno Valley, CA
About Jonathan Greer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JONATHAN GREER M.D. (NPI 1760468839) is an individual general practice provider in Moreno Valley, California, licensed in California (G064615) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.
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 (PECOS)
Jonathan Greer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Jonathan Greer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fontana, CA 92335
- Reassigned Medicare billing, California enrollment
- 5,228 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.
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 Jonathan Greer's NPI number?
The NPI number for Jonathan Greer is 1760468839. It was assigned to this individual provider in the NPPES registry on December 20, 2005.
Where is Jonathan Greer located?
Jonathan Greer practices at 9921 Michael Way, Moreno Valley, CA 92557. The listed phone number is (951) 217-8909.
What is Jonathan Greer's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Jonathan Greer enrolled in Medicare?
Yes. Jonathan Greer is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Jonathan Greer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Greer reassigns Medicare benefits to Southern California Permanente Medical Group (Fontana, 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 Jonathan Greer'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 Jonathan Greer was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Jonathan Greer, M.D. · NPI 1760468839
General Practice physician in Moreno Valley, California. Individual provider, active in the CMS NPPES registry since December 20, 2005.
## Identity
- **NPI:** 1760468839 (Entity type: Individual)
- **Enumerated:** December 20, 2005
- **Primary specialty:** General Practice · taxonomy 208D00000X
- **State license:** G064615 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 9921 MICHAEL WAY, Moreno Valley, CA 92557-3102
- **Phone:** (951) 217-8909
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1689606196, Fontana, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 29, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1760468839) · Data from the CMS NPPES public registry.