WALT MARQUARDT MD
NPI 1881766962
Internal Medicine - Interventional Cardiology in Sacramento, CA
About Walt Marquardt Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WALT MARQUARDT MD (NPI 1881766962) is an individual interventional cardiology provider in Sacramento, California, licensed in California (G59664) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Pittsburgh School Of Medicine (1981).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 20
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
Walt Marquardt 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 Walt Marquardt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sacramento, CA 95819
- Reassigned Medicare billing, California enrollment
- 1,191 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 32
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 95819 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SACRAMENTO, CA 95819
SACRAMENTO, CA 95819
SACRAMENTO, CA 95819
SACRAMENTO, CA 95819
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 Walt Marquardt's NPI number?
The NPI number for Walt Marquardt is 1881766962. It was assigned to this individual provider in the NPPES registry on November 14, 2006.
Where is Walt Marquardt located?
Walt Marquardt practices at 3941 J Street Suite 260, Sacramento, CA 95819. The listed phone number is (916) 736-2323.
What is Walt Marquardt's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Walt Marquardt enrolled in Medicare?
Yes. Walt Marquardt 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 Walt Marquardt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Walt Marquardt reassigns Medicare benefits to Dignity Health Medical Foundation (Sacramento, 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 Walt Marquardt'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 Walt Marquardt was last updated on January 30, 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.