KEAGAN TIMOTHY GERTZ MD
NPI 1649895228
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Green Bay, WI
About Keagan Timothy Gertz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEAGAN TIMOTHY GERTZ MD (NPI 1649895228) is an individual orthopaedic surgery of the spine provider in Green Bay, Wisconsin, licensed in Wisconsin (87333-20) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS, is affiliated with Upmc Presbyterian Shadyside, and maintains a secondary practice location in Neenah.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Keagan Timothy Gertz 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
2Medicare enrollment records show Keagan Gertz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Green Bay, WI 54311
- Reassigned Medicare billing, Wisconsin enrollment
- 65 clinicians in this Medicare group
East Liverpool, OH 43920
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Upmc Presbyterian Shadyside
Acute Care Hospitals · Pittsburgh, PAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREEN BAY, WI 54311
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 Keagan Gertz's NPI number?
The NPI number for Keagan Gertz is 1649895228. It was assigned to this individual provider in the NPPES registry on June 10, 2020.
Where is Keagan Gertz located?
Keagan Gertz practices at 2223 Lime Kiln Rd, Green Bay, WI 54311. The listed phone number is (920) 430-8113.
What is Keagan Gertz's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.
Is Keagan Gertz enrolled in Medicare?
Yes. Keagan Gertz 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 Keagan Gertz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keagan Gertz reassigns Medicare benefits to 2 organizations: Orthopedic & Sports Medicine Specialists Of Green Bay, Sc (Green Bay, WI) and University Of Pittsburgh Physicians (East Liverpool, OH). 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 Keagan Gertz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Keagan Gertz accept?
Health plans from Anthem Blue Cross and Blue Shield, Network Health and Security Health Plan list Keagan Gertz 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 Keagan Gertz affiliated with any hospitals?
According to CMS data, Keagan Gertz is affiliated with Upmc Presbyterian Shadyside.
When was this NPI record last updated?
The NPPES record for Keagan Gertz was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Keagan Timothy Gertz, MD · NPI 1649895228
Orthopaedic Surgery of the Spine physician in Green Bay, Wisconsin. Individual provider, active in the CMS NPPES registry since June 10, 2020.
## Identity
- **NPI:** 1649895228 (Entity type: Individual)
- **Enumerated:** June 10, 2020
- **Primary specialty:** Orthopaedic Surgery - Orthopaedic Surgery of the Spine · taxonomy 207XS0117X
- **State license:** 87333-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 2223 LIME KILN RD, Green Bay, WI 54311-6234
- **Phone:** (920) 430-8113
## 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): Orthopedic & Sports Medicine Specialists Of Green Bay, Sc (NPI 1760670145, Green Bay, WI); University Of Pittsburgh Physicians (NPI 1811945793, East Liverpool, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Cincinnati College Of Medicine, class of 2020
## Record status
- **NPPES last updated:** September 3, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1649895228) · Data from the CMS NPPES public registry.