ADAM P KAREWICZ MD
NPI 1114035755
Internal Medicine in Fond Du Lac, WI

Q: What is Adam Karewicz's NPI number?

The NPI number for Adam Karewicz is 1114035755. It was assigned to this individual provider in the NPPES registry on August 25, 2006.

Q: What is Adam Karewicz's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Adam Karewicz was last updated on December 16, 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.

Active since August 25, 2006PECOS EnrolledAccepts Medicare Assignment

420 E DIVISION ST, FOND DU LAC, WI 54935(920) 926-8420 Get Directions Write a Review

NPPES record last updated: December 16, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 16, 2020, Feb 29, 2016, Feb 11, 2016 (3 updates tracked since 2016).

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About Adam P Karewicz Md NPPES

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

ADAM P KAREWICZ MD (NPI 1114035755) is an individual internal medicine provider in Fond Du Lac, Wisconsin, licensed in Wisconsin (42560) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with St. Agnes Hospital Hospice, and is a graduate of Other (1994).

NPPES Registry Identity

NPI1114035755

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameADAM P KAREWICZCredential: MD

Location Address420 E DIVISION STFond Du Lac, WI 54935-4560

Mailing Address420 E Division StFond Du Lac, WI 54935-4560 · (920) 926-8340 · Fax (920) 926-8370

Phone(920) 926-8420

Sole ProprietorNo

Medical School CMSOtherGraduated 1994

Enumeration DateAugust 25, 2006

Last NPPES UpdateDecember 16, 20203 updates tracked since enumeration

NPPES CertifiedDecember 16, 2020

✔ NPI 1114035755 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in WI · 42560

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

420 E DIVISION ST, Fond Du Lac, WI 54935

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Other Identifiers 2

Medicaid34073500WI

OtherP00649448Rr Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Dean Health Plan, Network Health and more.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

Adam P Karewicz 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 ID8820052806

PECOS Enrollment IDI20041118000841

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 Adam Karewicz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Agnesian Healthcare Inc

Same address

Family Medicine

420 E DIVISION ST
Fond Du Lac, WI 54935

Reassigned Medicare billing, Wisconsin enrollment
606 clinicians in this Medicare group

NPI 1730162991 (920) 923-7400

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 6

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

502 services272 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

241 services241 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

63 services54 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

24 services21 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

23 services21 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.

14 services14 patients

Hospital Affiliations CMS Care Compare 2

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

St. Agnes Hospital Hospice

Acute Care Hospitals · Fond Du Lac, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520088

Location430 E Division StFond Du Lac, WI 54935 · Fond Du Lac County

Emergency services Birthing friendly

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 54935 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

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

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.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

14 suppliers75 claims187 services$5.77 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

10 suppliers23 claims24 services$1.13 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier23 claims23 services$23.48 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier33 claims33 services$75.05 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

2 suppliers18 claims1,740 services$0.10 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MARY R KELM NP

Nurse Practitioner