KARL J BERTRAM MD
NPI 1801868047
Surgery in Ripon, WI

Active since February 02, 2006PECOS Enrolled
835 PARKSIDE ST, RIPON, WI 54971(920) 745-3540(920) 745-7932 Get Directions Write a Review

NPPES record last updated: October 22, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 22, 2020, Feb 29, 2016, Feb 17, 2016 (3 updates tracked since 2016).

About Karl J Bertram Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KARL J BERTRAM MD (NPI 1801868047) is an individual surgery provider in Ripon, Wisconsin, licensed in Wisconsin (41089) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1801868047
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameKARL J BERTRAMCredential: MD
Location Address835 PARKSIDE STRipon, WI 54971-8505
Mailing Address420 E Division StFond Du Lac, WI 54935-4560 · (920) 926-8340 · Fax (920) 926-8370
Fax(920) 745-7932
Sole ProprietorNo
Enumeration DateFebruary 2, 2006
Last NPPES UpdateOctober 22, 20203 updates tracked since enumeration
NPPES CertifiedOctober 22, 2020
✔ NPI 1801868047 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in WI · 41089
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
835 PARKSIDE ST, Ripon, WI 54971

Other Identifiers 1

Medicaid32557700WI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karl J Bertram Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Karl Bertram reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Orthopaedic Surgery
134 CORPORATE DR
Beaver Dam, WI 53916
  • Reassigned Medicare billing, Wisconsin enrollment
  • 115 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54971 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pediatrics
835 PARKSIDE ST
RIPON, WI 54971
Family Medicine
835 PARKSIDE ST
RIPON, WI 54971
Nurse Practitioner (Family)
835 PARKSIDE ST
RIPON, WI 54971
Social Worker (Clinical)
835 PARKSIDE ST
RIPON, WI 54971
Physician Assistant
835 PARKSIDE ST
RIPON, WI 54971
Durable Medical Equipment & Medical Supplies
835 PARKSIDE ST
RIPON, WI 54971
Orthopaedic Surgery
835 PARKSIDE ST
RIPON, WI 54971
Family Medicine
835 PARKSIDE ST
RIPON, WI 54971

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 Karl Bertram's NPI number?

The NPI number for Karl Bertram is 1801868047. It was assigned to this individual provider in the NPPES registry on February 2, 2006.

Where is Karl Bertram located?

Karl Bertram practices at 835 Parkside St, Ripon, WI 54971. The listed phone number is (920) 745-3540.

What is Karl Bertram's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Karl Bertram enrolled in Medicare?

Yes. Karl Bertram is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Karl Bertram's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karl Bertram reassigns Medicare benefits to Prairie Ridge Health, Inc. (Beaver Dam, WI). 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 Karl Bertram'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 Karl Bertram was last updated on October 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.