KRISTEN LYNN STEARNS MD
NPI 1629575576
Obstetrics & Gynecology - Gynecologic Oncology in Madison, WI

Active since April 08, 2018PECOS EnrolledAccepts Medicare Assignment
4621 EASTPARK BLVD, MADISON, WI 53718(608) 915-0100 Get Directions Write a Review

NPPES record last updated: August 12, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 12, 2025, Jul 12, 2022, Feb 5, 2020 (3 updates tracked since 2020).

About Kristen Lynn Stearns Md NPPES

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

KRISTEN LYNN STEARNS MD (NPI 1629575576) is an individual gynecologic oncology provider in Madison, Wisconsin, licensed in Wisconsin (72883-20) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Uw Health, and maintains a secondary practice location in Milwaukee.

NPPES Registry Identity

NPI1629575576
Entity TypeIndividualFemale
Primary Taxonomy207VX0201X
Provider Legal NameKRISTEN LYNN STEARNSCredential: MD
Location Address4621 EASTPARK BLVDMadison, WI 53718-2000
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 8, 2018
Last NPPES UpdateAugust 12, 20253 updates tracked since enumeration
NPPES CertifiedAugust 12, 2025
✔ NPI 1629575576 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyObstetrics & Gynecology · Gynecologic OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207VX0201X
License✔ Licensed in WI · 72883-20
Definition
An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 2022-01269 (NC)
4621 EASTPARK BLVD, Madison, WI 53718

Other Names 1

Professional Name (2)Kristen Koniewicz

Secondary Practice Location 1

Location 19200 W Wisconsin AveMilwaukee, WI 53226-3522 · Phone (414) 805-6658

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

Kristen Lynn Stearns 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.

PECOS PAC ID7911328927
PECOS Enrollment IDI20250922000727
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 Reassignments

3

Medicare enrollment records show Kristen Stearns reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
7974 UW HEALTH COURT
Middleton, WI 53562
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,832 clinicians in this Medicare group
Family Medicine
4282 E ROCKTON RD
Roscoe, IL 61073
  • Reassigned Medicare billing, Illinois enrollment
  • 474 clinicians in this Medicare group
Multi-Specialty
MEDICAL CENTER BLVD
Winston Salem, NC 27157
  • Reassigned Medicare billing, North Carolina enrollment
  • 3,003 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 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Uw Health

Acute Care Hospitals · Rockford, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140228
Location1401 East State StreetRockford, IL 61104 · Winnebago County
Emergency services Birthing friendly

University Of Wi Hospitals & Clinics Authority

Acute Care Hospitals · Madison, WI
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number520098
Location600 Highland AvenueMadison, WI 53792 · Dane County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53718 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
$163.24 typical visit price
range $53.90 – $163.24
Typical copayment $40.81 (range $13.47 – $40.81)
Most-billed visit code 99205
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
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 20

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

Genetic Counselor, MS
4621 EASTPARK BLVD
MADISON, WI 53718
Pharmacist
4621 EASTPARK BLVD
MADISON, WI 53718
Speech-Language Pathologist
4621 EASTPARK BLVD
MADISON, WI 53718
Durable Medical Equipment & Medical Supplies
4621 EASTPARK BLVD
MADISON, WI 53718
Psychologist
4621 EASTPARK BLVD
MADISON, WI 53718
Internal Medicine (Endocrinology, Diabetes & Metabolism)
4621 EASTPARK BLVD
MADISON, WI 53718
Internal Medicine (Hematology & Oncology)
4621 EASTPARK BLVD
MADISON, WI 53718
Genetic Counselor, MS
4621 EASTPARK BLVD
MADISON, WI 53718

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 Kristen Stearns's NPI number?

The NPI number for Kristen Stearns is 1629575576. It was assigned to this individual provider in the NPPES registry on April 8, 2018. The provider is also known as Kristen Koniewicz.

Where is Kristen Stearns located?

Kristen Stearns practices at 4621 Eastpark Blvd, Madison, WI 53718. The listed phone number is (608) 915-0100.

What is Kristen Stearns's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Is Kristen Stearns enrolled in Medicare?

Yes. Kristen Stearns 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 Kristen Stearns's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristen Stearns reassigns Medicare benefits to 3 organizations: University Of Wisconsin Medical Foundation, Inc (Middleton, WI), Swedishamerican Hospital (Roscoe, IL) and Wake Forest University Health Sciences (Winston Salem, NC). 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 Kristen Stearns's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kristen Stearns accept?

Health plans from Anthem Blue Cross and Blue Shield and Quartz list Kristen Stearns 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 Kristen Stearns affiliated with any hospitals?

According to CMS data, Kristen Stearns is affiliated with Uw Health and University Of Wi Hospitals & Clinics Authority.

When was this NPI record last updated?

The NPPES record for Kristen Stearns was last updated on August 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.