Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KATHRYN THERESE SULLIVAN DILLIE MD, PHD
NPI 1548426141
Emergency Medicine in Hartford, WI

Active since August 03, 2008PECOS EnrolledAccepts Medicare Assignment
1032 E SUMNER ST, HARTFORD, WI 53027(262) 673-2300 Get Directions Write a Review

NPPES record last updated: October 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 9, 2026, Dec 20, 2024 (2 updates tracked since 2024).

About Kathryn Therese Sullivan Dillie Md, Phd NPPES

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

KATHRYN THERESE SULLIVAN DILLIE MD, PHD (NPI 1548426141) is an individual emergency medicine provider in Hartford, Wisconsin, licensed in Wisconsin (53697-20) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS, is affiliated with Ripon Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1548426141
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameKATHRYN THERESE SULLIVAN DILLIECredential: MD, PHD
Location Address1032 E SUMNER STHartford, WI 53027-1608
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Sole ProprietorNo
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2008
Enumeration DateAugust 3, 2008
Last NPPES UpdateOctober 9, 20262 updates tracked since enumeration
NPPES CertifiedOctober 9, 2026
✔ NPI 1548426141 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in WI · 53697-20
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1032 E SUMNER ST, Hartford, WI 53027

Secondary Practice Locations 2

Location 1620 W Brown StWaupun, WI 53963-1702 · Phone (920) 324-5581
Location 22900 W Oklahoma AveMilwaukee, WI 53215-4330 · Phone (414) 649-7299

Other Identifiers 1

Medicaid100023255WI

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

Kathryn Therese Sullivan Dillie Md, Phd 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 ID6507021151
PECOS Enrollment IDI20120703000662
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 Kathryn Sullivan Dillie reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health (Including Community Mental Health Center)
200 FRONT ST, SUITE 3D
Beaver Dam, WI 53916
  • Reassigned Medicare billing, Wisconsin enrollment
  • 606 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 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
118 services114 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
107 services103 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
43 services41 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
19 services19 patients

Hospital Affiliations CMS Care Compare 2

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

Ripon Medical Center

Critical Access Hospitals · Ripon, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521321
Location845 Parkside StRipon, WI 54971 · Fond Du Lac County
Emergency services

Waupun Memorial Hospital

Critical Access Hospitals · Waupun, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521327
Location620 W Brown StWaupun, WI 53963 · Fond Du Lac County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53027 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
$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.

Clinical Nurse Specialist
1032 E SUMNER ST
HARTFORD, WI 53027
Physical Therapist
1032 E SUMNER ST
HARTFORD, WI 53027
Surgery
1032 E SUMNER ST
HARTFORD, WI 53027
Dietitian, Registered
1032 E SUMNER ST
HARTFORD, WI 53027
Occupational Therapist (Hand)
1032 E SUMNER ST
HARTFORD, WI 53027
Physical Therapist
1032 E SUMNER ST
HARTFORD, WI 53027
Radiology (Diagnostic Radiology)
1032 E SUMNER ST
HARTFORD, WI 53027
Preventive Medicine (Undersea and Hyperbaric Medicine)
1032 E SUMNER ST
HARTFORD, WI 53027

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 Kathryn Sullivan Dillie's NPI number?

The NPI number for Kathryn Sullivan Dillie is 1548426141. It was assigned to this individual provider in the NPPES registry on August 3, 2008.

Where is Kathryn Sullivan Dillie located?

Kathryn Sullivan Dillie practices at 1032 E Sumner St, Hartford, WI 53027. The listed phone number is (262) 673-2300.

What is Kathryn Sullivan Dillie's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Kathryn Sullivan Dillie enrolled in Medicare?

Yes. Kathryn Sullivan Dillie 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 organization bills Medicare for Kathryn Sullivan Dillie's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Sullivan Dillie reassigns Medicare benefits to Agnesian Healthcare (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 Kathryn Sullivan Dillie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kathryn Sullivan Dillie accept?

Health plans from CareSource (Common Ground Healthcare) list Kathryn Sullivan Dillie 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 Kathryn Sullivan Dillie affiliated with any hospitals?

According to CMS data, Kathryn Sullivan Dillie is affiliated with Ripon Medical Center and Waupun Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Kathryn Sullivan Dillie was last updated on October 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.