ANDREA UM M.D.
NPI 1699200378
Surgery - Vascular Surgery in Madison, WI
About Andrea Um M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREA UM M.D. (NPI 1699200378) is an individual vascular surgery provider in Madison, Wisconsin, licensed in Wisconsin (6935-851) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS, is affiliated with Bryan Medical Center, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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
Andrea Um M.d. 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 Andrea Um reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lincoln, NE 68506
- Reassigned Medicare billing, Nebraska enrollment
- 67 clinicians in this Medicare group
O'neill, NE 68763
- Reassigned Medicare billing, Nebraska enrollment
- 86 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 26
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bryan Medical Center
Acute Care Hospitals · Lincoln, NEMary Lanning Healthcare
Acute Care Hospitals · Hastings, NEGrand Island Regional Medical Center
Acute Care Hospitals · Grand Island, NEJefferson Community Health & Life
Critical Access Hospitals · Fairbury, NECommunity Hospital
Critical Access Hospitals · Mccook, NEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53792 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.
MADISON, WI 53792
MADISON, WI 53792
MADISON, WI 53792
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 Andrea Um's NPI number?
The NPI number for Andrea Um is 1699200378. It was assigned to this individual provider in the NPPES registry on May 1, 2017. The provider is also known as Andrea Sherman.
Where is Andrea Um located?
Andrea Um practices at Uw Hospitals And Clinics 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-6400.
What is Andrea Um's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Andrea Um enrolled in Medicare?
Yes. Andrea Um 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 Andrea Um's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrea Um reassigns Medicare benefits to 2 organizations: Integrated Cardiology Group LLC (Lincoln, NE) and Avera St Anthonys Hospital (O'neill, NE). 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 Andrea Um's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Andrea Um accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Avera Health Plans and Blue Cross and Blue Shield of Nebraska and 2 other insurers list Andrea Um 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 Andrea Um affiliated with any hospitals?
According to CMS data, Andrea Um is affiliated with Bryan Medical Center, Mary Lanning Healthcare, Grand Island Regional Medical Center, Jefferson Community Health & Life and Community Hospital.
When was this NPI record last updated?
The NPPES record for Andrea Um was last updated on August 26, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.