ERIC D HAMBURG MD
NPI 1922064518
Internal Medicine in Baraboo, WI
About Eric D Hamburg Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIC D HAMBURG MD (NPI 1922064518) is an individual internal medicine provider in Baraboo, Wisconsin, licensed in Wisconsin (21708-020) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Clare Hospital - Baraboo, and is a graduate of Saint Louis University School Of Medicine (1977).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Eric D Hamburg 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
4Medicare enrollment records show Eric Hamburg reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baraboo, WI 53913
- Reassigned Medicare billing, Wisconsin enrollment
- 57 clinicians in this Medicare group
Baraboo, WI 53913
- Reassigned Medicare billing, Wisconsin enrollment
- 35 clinicians in this Medicare group
Prairie Du Sac, WI 53578
- Reassigned Medicare billing, Wisconsin enrollment
- 110 clinicians in this Medicare group
Spring Green, WI 53588
- Reassigned Medicare billing, Wisconsin enrollment
- 166 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 5
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health St Clare Hospital - Baraboo
Acute Care Hospitals · Baraboo, WISauk Prairie Hospital
Acute Care Hospitals · Prairie Du Sac, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53913 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 2
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BARABOO, WI 53913
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 Eric Hamburg's NPI number?
The NPI number for Eric Hamburg is 1922064518. It was assigned to this individual provider in the NPPES registry on April 24, 2006.
Where is Eric Hamburg located?
Eric Hamburg practices at 1700 Tuttle St, Baraboo, WI 53913. The listed phone number is (608) 355-3800.
What is Eric Hamburg's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Eric Hamburg enrolled in Medicare?
Yes. Eric Hamburg 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 Eric Hamburg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Hamburg reassigns Medicare benefits to 4 organizations: Ssm Health Care Of Wisconsin Inc (Baraboo, WI), Ho Chunk Nation (Baraboo, WI), Sauk Prairie Healthcare Inc (Prairie Du Sac, WI) and Upland Hills Health, Inc. (Spring Green, 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 Eric Hamburg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eric Hamburg accept?
Health plans from Dean Health Plan list Eric Hamburg 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 Eric Hamburg affiliated with any hospitals?
According to CMS data, Eric Hamburg is affiliated with Ssm Health St Clare Hospital - Baraboo and Sauk Prairie Hospital.
When was this NPI record last updated?
The NPPES record for Eric Hamburg was last updated on January 22, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.