AMY L. GRUBER MD
NPI 1821176900
Pediatrics in Pleasanton, CA
About Amy L. Gruber Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMY L. GRUBER MD (NPI 1821176900) is an individual pediatrics provider in Pleasanton, California, licensed in California (A66210) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Amy L. Gruber Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Amy Gruber reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Redwood City, CA 94063
- 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 94588 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.
PLEASANTON, CA 94588
PLEASANTON, CA 94588
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 Amy Gruber's NPI number?
The NPI number for Amy Gruber is 1821176900. It was assigned to this individual provider in the NPPES registry on November 2, 2006.
Where is Amy Gruber located?
Amy Gruber practices at 7601 Stoneridge Dr, Pleasanton, CA 94588. The listed phone number is (925) 847-5000.
What is Amy Gruber's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Amy Gruber enrolled in Medicare?
Yes. Amy Gruber is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Amy Gruber's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Gruber reassigns Medicare benefits to Permanente Medical Group Inc (Redwood City, 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 Amy Gruber'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 Amy Gruber was last updated on December 13, 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.
# Amy L. Gruber, MD · NPI 1821176900
Pediatrics physician in Pleasanton, California. Individual provider, active in the CMS NPPES registry since November 2, 2006.
## Identity
- **NPI:** 1821176900 (Entity type: Individual)
- **Enumerated:** November 2, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** A66210 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 7601 STONERIDGE DR, Pleasanton, CA 94588-4501
- **Phone:** (925) 847-5000
## 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:** Permanente Medical Group Inc (NPI 1639252604, Redwood City, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 13, 2021
- **Other identifiers:** Medicaid 00A662100 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1821176900) · Data from the CMS NPPES public registry.