GARY G GRINBERG M.D.
NPI 1457326852
Surgery in Sacramento, CA
About Gary G Grinberg M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GARY G GRINBERG M.D. (NPI 1457326852) is an individual surgery provider in Sacramento, California, licensed in California (A100593) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Northeastern Ohio University College Of Medicine (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Group Practice 1
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
Gary G Grinberg M.d. 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 Gary Grinberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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 95825 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SACRAMENTO, CA 95825
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 Gary Grinberg's NPI number?
The NPI number for Gary Grinberg is 1457326852. It was assigned to this individual provider in the NPPES registry on February 20, 2006.
Where is Gary Grinberg located?
Gary Grinberg practices at 800 Howe Ave Suite 300, Sacramento, CA 95825. The listed phone number is (916) 568-5551.
What is Gary Grinberg's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Gary Grinberg enrolled in Medicare?
Yes. Gary Grinberg 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 Gary Grinberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Grinberg reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, 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 Gary Grinberg'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 Gary Grinberg was last updated on February 11, 2022. 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.