GONZALO E RUIZ MD
NPI 1407167356
Family Medicine in Madison, WI
About Gonzalo E Ruiz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GONZALO E RUIZ MD (NPI 1407167356) is an individual family medicine provider in Madison, Wisconsin, licensed in Wisconsin (82602-20) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with University Of Wi Hospitals & Clinics Authority, and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
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
Gonzalo E Ruiz 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 Reassignments
3Medicare enrollment records show Gonzalo Ruiz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 clinicians in this Medicare group
Wisconsin Rapids, WI 54494
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 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 9
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53704 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.
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 Gonzalo Ruiz's NPI number?
The NPI number for Gonzalo Ruiz is 1407167356. It was assigned to this individual provider in the NPPES registry on June 25, 2010.
Where is Gonzalo Ruiz located?
Gonzalo Ruiz practices at 2402 Winnebago St, Madison, WI 53704. The listed phone number is (608) 242-6855.
What is Gonzalo Ruiz's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Gonzalo Ruiz enrolled in Medicare?
Yes. Gonzalo Ruiz 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 Gonzalo Ruiz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gonzalo Ruiz reassigns Medicare benefits to 3 organizations: University Of Wisconsin Medical Foundation, Inc (Middleton, WI), Mchs Hospitals Inc (Wisconsin Rapids, WI) and Marshfield Clinic Inc (Marshfield, WI). 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 Gonzalo Ruiz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gonzalo Ruiz accept?
Health plans from Taro Health list Gonzalo Ruiz 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.
Is Gonzalo Ruiz affiliated with any hospitals?
According to CMS data, Gonzalo Ruiz is affiliated with University Of Wi Hospitals & Clinics Authority.
When was this NPI record last updated?
The NPPES record for Gonzalo Ruiz was last updated on July 3, 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.
# Gonzalo E Ruiz, MD · NPI 1407167356
Family Medicine physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since June 25, 2010.
## Identity
- **NPI:** 1407167356 (Entity type: Individual)
- **Enumerated:** June 25, 2010
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 82602-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 2402 WINNEBAGO ST, Madison, WI 53704-5341
- **Phone:** (608) 242-6855 · **Fax:** (608) 242-6848
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): University Of Wisconsin Medical Foundation, Inc (NPI 1598784555, Middleton, WI); Mchs Hospitals Inc (NPI 1568188589, Wisconsin Rapids, WI); Marshfield Clinic Inc (NPI 1952347981, Marshfield, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** July 3, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1407167356) · Data from the CMS NPPES public registry.