ZSUZSANNA RAD M.D.
NPI 1487987798
Hospitalist in Walnut Creek, CA
About Zsuzsanna Rad M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZSUZSANNA RAD M.D. (NPI 1487987798) is an individual hospitalist provider in Walnut Creek, California, licensed in California (A129451) and active in the NPI registry since September 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Zsuzsanna Rad 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 Reassignments
2Medicare enrollment records show Zsuzsanna Rad reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Walnut Creek, CA 94597
- Reassigned Medicare billing, California enrollment
- 650 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 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
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 94597 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.
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.
WALNUT CREEK, CA 94597
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 Zsuzsanna Rad's NPI number?
The NPI number for Zsuzsanna Rad is 1487987798. It was assigned to this individual provider in the NPPES registry on September 18, 2009. The provider is also known as Zsuzsanna Garamvolgyis MD.
Where is Zsuzsanna Rad located?
Zsuzsanna Rad practices at 1450 Treat Blvd, Walnut Creek, CA 94597. The listed phone number is (925) 952-2888.
What is Zsuzsanna Rad's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Zsuzsanna Rad enrolled in Medicare?
Yes. Zsuzsanna Rad 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 organizations bill Medicare for Zsuzsanna Rad's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zsuzsanna Rad reassigns Medicare benefits to 2 organizations: John Muir Physician Network (Walnut Creek, CA) and John Muir Trauma Physicians Billing Service (Walnut Creek, CA). Each 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 Zsuzsanna Rad'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 Zsuzsanna Rad was last updated on January 5, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Zsuzsanna Rad, M.D. · NPI 1487987798
Hospitalist physician in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since September 18, 2009.
## Identity
- **NPI:** 1487987798 (Entity type: Individual)
- **Enumerated:** September 18, 2009
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A129451 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1450 TREAT BLVD, Walnut Creek, CA 94597-2168
- **Phone:** (925) 952-2888 · **Fax:** (925) 952-2831
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): John Muir Physician Network (NPI 1841407665, Walnut Creek, CA); John Muir Trauma Physicians Billing Service (NPI 1962551861, Walnut Creek, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** January 5, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1487987798) · Data from the CMS NPPES public registry.