HOLLY KATHERINE MARCINIAK THOMPSON M.D.
NPI 1295962934
Nuclear Medicine - Nuclear Imaging & Therapy in Santa Clara, CA
About Holly Katherine Marciniak Thompson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HOLLY KATHERINE MARCINIAK THOMPSON M.D. (NPI 1295962934) is an individual nuclear imaging & therapy provider in Santa Clara, California, licensed in California (A116285) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS and is a graduate of University Of Miami, Lm Miller School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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
Holly Katherine Marciniak Thompson 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
3Medicare enrollment records show Holly Marciniak Thompson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Phoenix, AZ 85012
- Reassigned Medicare billing, Arizona enrollment
- 728 clinicians in this Medicare group
Phoenix, AZ 85012
- Reassigned Medicare billing, Arizona enrollment
- 1,514 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 4
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 95051 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.
SANTA CLARA, CA 95051
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 Holly Marciniak Thompson's NPI number?
The NPI number for Holly Marciniak Thompson is 1295962934. It was assigned to this individual provider in the NPPES registry on June 21, 2009.
Where is Holly Marciniak Thompson located?
Holly Marciniak Thompson practices at 700 Lawrence Expy Dept. 120, Santa Clara, CA 95051. The listed phone number is (408) 851-5600.
What is Holly Marciniak Thompson's specialty?
The primary specialty registered for this NPI is Nuclear Medicine, specializing in Nuclear Imaging & Therapy, with taxonomy code 207UN0902X.
Is Holly Marciniak Thompson enrolled in Medicare?
Yes. Holly Marciniak Thompson 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 Holly Marciniak Thompson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Holly Marciniak Thompson reassigns Medicare benefits to 3 organizations: Permanente Medical Group Inc (Santa Clara, CA), Banner - University Hospital Based Physicians LLC (Phoenix, AZ) and Banner-University Medical Group (Phoenix, AZ). 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 Holly Marciniak Thompson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Holly Marciniak Thompson accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and UnitedHealthcare list Holly Marciniak Thompson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Holly Marciniak Thompson was last updated on December 15, 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.