DR. BARBARA GRZABA-GRACZ MD
NPI 1366557316
Internal Medicine in Milwaukee, WI

Q: What is Barbara Grzaba-gracz's NPI number?

The NPI number for Barbara Grzaba-gracz is 1366557316. It was assigned to this individual provider in the NPPES registry on August 20, 2006. The provider is also known as Barbara Grzaba.

Q: What is Barbara Grzaba-gracz's specialty?

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

Active since August 20, 2006PECOS Enrolled

2801 W KINNICKINNIC RIVER PKWY, #135, MILWAUKEE, WI 53215(414) 385-8600 Get Directions Write a Review

NPPES record last updated: May 29, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Barbara Grzaba-gracz Md NPPES

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

DR. BARBARA GRZABA-GRACZ MD (NPI 1366557316) is an individual internal medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (40549) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Ascension Se Wisconsin Hospital, and is a graduate of Other (1987).

NPPES Registry Identity

NPI1366557316

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. BARBARA GRZABA-GRACZCredential: MD

Location Address2801 W KINNICKINNIC RIVER PKWY, #135Milwaukee, WI 53215-3693

Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250

Phone(414) 385-8600

Sole ProprietorNo

Medical School CMSOtherGraduated 1987

Enumeration DateAugust 20, 2006

Last NPPES UpdateMay 29, 2024

NPPES CertifiedMay 29, 2024

✔ NPI 1366557316 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in WI · 40549✔ Licensed in IL · 036-108135

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.

2801 W KINNICKINNIC RIVER PKWY, Milwaukee, WI 53215

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Other Names 1

Former Name (1)Barbara Grzaba

Other Identifiers 1

Medicaid32582100WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) 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 (PECOS)

Dr. Barbara Grzaba-gracz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4385553056

PECOS Enrollment IDI20051221000773

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

Medicare enrollment records show Barbara Grzaba-gracz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Aurora Medical Group, Inc.

0.4 mi

Nurse Anesthetist, Certified Registered

3301 W FOREST HOME AVE
Milwaukee, WI 53215

Reassigned Medicare billing, Wisconsin enrollment
4,609 clinicians in this Medicare group

NPI 1427271378 (877) 576-3544

Aamg Reach PLLC

90 mi

Family Medicine

1357 W 103RD ST
Chicago, IL 60643

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

NPI 1609502707 (773) 238-0800

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 12

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.

560 services323 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.

224 services224 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

42 services42 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.

39 services37 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

37 services37 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

31 services30 patients

Anticoagulant management of patient taking warfarin 93793

Anticoagulant management with warfarin involves monitoring and adjusting your medication to prevent blood clots while minimizing the risk of bleeding. Regular blood tests measure your response to warfarin, helping adjust your dose if necessary. It's crucial to maintain a consistent diet and promptly report any changes in your health.

28 services11 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

28 services25 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

17 services17 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

15 services15 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

13 services13 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

13 services13 patients

Hospital Affiliations CMS Care Compare 4

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

Ascension SE Wisconsin Hospital

Acute Care Hospitals · Milwaukee, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number520136

Location5000 W Chambers StMilwaukee, WI 53210 · Milwaukee County

Emergency services Birthing friendly

Aurora St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520138

Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County

Emergency services Birthing friendly

West Allis Memorial Hospital

Acute Care Hospitals · West Allis, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520139

Location8901 W Lincoln AveWest Allis, WI 53227 · Milwaukee County

Emergency services Birthing friendly

Aurora Medical Center

Acute Care Hospitals · Grafton, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520207

Location975 Port Washington RoadGrafton, WI 53024 · Ozaukee County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53215 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 4

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

19 suppliers52 claims133 services$6.01 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

15 suppliers33 claims41 services$0.98 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

1 supplier14 claims1,050 services$0.03 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

2 suppliers23 claims23 services$197.40 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.

CARRIE S BILICKI RN

Registered Nurse

2801 W KINNICKINNIC RIVER PKWY, STE 525
MILWAUKEE, WI 53215

Milwaukee County (414) 385-2630

BRIANNA CECELIA MURPHY PA-C

Physician Assistant

2801 W KINNICKINNIC RIVER PKWY
MILWAUKEE, WI 53215

Milwaukee County (414) 646-9820

DR. PAUL S BERNSTEIN

Internal Medicine (Cardiovascular Disease)

2801 W KINNICKINNIC RIVER PKWY, 840
MILWAUKEE, WI 53215

Milwaukee County (414) 649-3530

DR. PRAKASH D SHAH M.D.

Internal Medicine (Cardiovascular Disease)

2801 W KINNICKINNIC RIVER PKWY, STE 840
MILWAUKEE, WI 53215

Milwaukee County (414) 649-3530

M CHRISTINE GIEBEL PA-C

Physician Assistant

2801 W KINNICKINNIC RIVER PKWY, SUITE 345
MILWAUKEE, WI 53215

Milwaukee County (414) 385-2700

ROBERT A. DIULIO M.D.

Orthopaedic Surgery

2801 W KINNICKINNIC RIVER PKWY, SUITE 575
MILWAUKEE, WI 53215

Milwaukee County (414) 643-8800

CHRISTINE A KENYON LAUNDRE M.D.

Anesthesiology

2801 W KINNICKINNIC RIVER PKWY, SUITE 453
MILWAUKEE, WI 53215

Milwaukee County (414) 385-2380

JODI L ZILINSKI M.D.

Internal Medicine (Clinical Cardiac Electrophysiology)

2801 W KINNICKINNIC RIVER PKWY, SUITE 777
MILWAUKEE, WI 53215

Milwaukee County (414) 649-3390

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 Barbara Grzaba-gracz's NPI number?

The NPI number for Barbara Grzaba-gracz is 1366557316. It was assigned to this individual provider in the NPPES registry on August 20, 2006. The provider is also known as Barbara Grzaba.

Where is Barbara Grzaba-gracz located?

Barbara Grzaba-gracz practices at 2801 W Kinnickinnic River Pkwy #135, Milwaukee, WI 53215. The listed phone number is (414) 385-8600.

What is Barbara Grzaba-gracz's specialty?

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

Is Barbara Grzaba-gracz enrolled in Medicare?

Yes. Barbara Grzaba-gracz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Barbara Grzaba-gracz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Barbara Grzaba-gracz reassigns Medicare benefits to 2 organizations: Aurora Medical Group, Inc. (Milwaukee, WI) and Aamg Reach PLLC (Chicago, IL). 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 Barbara Grzaba-gracz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Barbara Grzaba-gracz accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Quartz and 1 other insurer list Barbara Grzaba-gracz 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 Barbara Grzaba-gracz affiliated with any hospitals?

According to CMS data, Barbara Grzaba-gracz is affiliated with Ascension SE Wisconsin Hospital, Aurora St Lukes Medical Center, West Allis Memorial Hospital and Aurora Medical Center.

When was this NPI record last updated?

The NPPES record for Barbara Grzaba-gracz was last updated on May 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.