GREGORY JOHN SCHANER MD
NPI 1871577734
Radiology - Diagnostic Radiology in Oakland, CA
About Gregory John Schaner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY JOHN SCHANER MD (NPI 1871577734) is an individual diagnostic radiology provider in Oakland, California, licensed in California (G53787) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (1983).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Gregory John Schaner 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 Reassignment
Medicare enrollment records show Gregory Schaner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sonora, CA 95370
- Reassigned Medicare billing, California enrollment
- 17 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 105
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 94609 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.
OAKLAND, CA 94609
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 Gregory Schaner's NPI number?
The NPI number for Gregory Schaner is 1871577734. It was assigned to this individual provider in the NPPES registry on December 5, 2005.
Where is Gregory Schaner located?
Gregory Schaner practices at 411 30th St #508, Oakland, CA 94609. The listed phone number is (925) 274-4950.
What is Gregory Schaner's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Gregory Schaner enrolled in Medicare?
Yes. Gregory Schaner 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 organization bills Medicare for Gregory Schaner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Schaner reassigns Medicare benefits to Jason L Hwang MD Inc (Sonora, 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 Gregory Schaner'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 Gregory Schaner was last updated on February 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.