HARSHA KAZA MD
NPI 1598786436
Internal Medicine in Zion, IL

Q: What is Harsha Kaza's NPI number?

The NPI number for Harsha Kaza is 1598786436. It was assigned to this individual provider in the NPPES registry on July 23, 2006.

Q: What is Harsha Kaza'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 Harsha Kaza was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since July 23, 2006PECOS EnrolledAccepts Medicare Assignment

3115 LEWIS AVE, ZION, IL 60099(847) 746-3752 Get Directions Write a Review

NPPES record last updated: January 13, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jan 13, 2026, Feb 1, 2023, Jan 19, 2023 (3 updates tracked since 2023).

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About Harsha Kaza Md NPPES

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

HARSHA KAZA MD (NPI 1598786436) is an individual internal medicine provider in Zion, Illinois, licensed in Wisconsin (46268) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Vista Medical Center East, and maintains a secondary practice location in Monroe.

NPPES Registry Identity

NPI1598786436

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameHARSHA KAZACredential: MD

Location Address3115 LEWIS AVEZion, IL 60099-3099

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

Phone(847) 746-3752

Sole ProprietorNo

Medical School CMSOtherGraduated 1997

Enumeration DateJuly 23, 2006

Last NPPES UpdateJanuary 13, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 13, 2026

✔ NPI 1598786436 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 · 46268✔ Licensed in IL · 036-110833

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.

3115 LEWIS AVE, Zion, IL 60099

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Secondary Practice Location 1

Location 1515 22nd AveMonroe, WI 53566-1569 · Phone (608) 324-2000

Other Identifiers 10

Other13561Dean Health Plan

Other1043509Physicians Plus

Other390808509Cigna

Other90002361Wea Ins

Other390808509Wps

Other390808509Ct General

Medicaid34466000WI

OtherP00151657Medicare Railroad

Other34466000Hirsp

Other390808509CWUnity

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 and accepts Medicare assignment

Harsha Kaza 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 ID7214922814

PECOS Enrollment IDI20050518000972

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 Harsha Kaza reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Amg Illinois Ltd

6.0 mi

Internal Medicine

45 TOWER CT, SUITE C
Gurnee, IL 60031

Reassigned Medicare billing, Illinois enrollment
62 clinicians in this Medicare group

NPI 1972741759 (847) 623-3200

Aurora Medical Group, Inc.

39 mi

Family Medicine

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

Ascension Medical Group-Southeast Wisconsin Inc

43 mi

Anesthesiology

2301 N LAKE DR
Milwaukee, WI 53211

Reassigned Medicare billing, Wisconsin enrollment
1,343 clinicians in this Medicare group

NPI 1194473066 (414) 585-1000

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.

240 services118 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.

79 services79 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.

55 services53 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.

50 services49 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.

49 services44 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.

47 services40 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

34 services34 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.

25 services25 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.

16 services16 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.

15 services15 patients

Detection test by immunoassay with direct visual observation for respiratory syncytial virus 87807

This is a test to identify the respiratory syncytial virus, a common cause of lung and respiratory tract infections. It uses immunoassay, a method that detects the virus through a reaction between the virus and specific antibodies. The result is visually observed.

11 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Vista Medical Center East

Acute Care Hospitals · Waukegan, IL

2/5 CMS rating

OwnershipProprietary

CMS Certification Number140084

Location1324 North Sheridan RoadWaukegan, IL 60085 · Lake County

Emergency services Birthing friendly

Advocate Condell Medical Center

Acute Care Hospitals · Libertyville, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140202

Location801 S Milwaukee AveLibertyville, IL 60048 · Lake 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

Aurora Medical Center Kenosha

Acute Care Hospitals · Kenosha, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520189

Location10400 75th StKenosha, WI 53142 · Kenosha County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60099 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

$137.43 typical visit price

range $59.81 – $181.38

Typical copayment $34.35 (range $14.95 – $45.34)

Most-billed visit code 99204

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

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 3

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

12 suppliers35 claims105 services$6.61 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

8 suppliers17 claims30 services$1.13 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, without mattress E0261

DME-Hospital Beds · category DB000N

1 supplier11 claims11 services$42.91 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 10

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

DR. HAROLD JOHN BIRKY DDS

Dentist

3115 LEWIS AVE
ZION, IL 60099

Lake County (847) 746-8622

MR. CLARENCE D ENGSTROM MD

Family Medicine

3115 LEWIS AVE
ZION, IL 60099

Lake County (847) 746-3752

PARTNERS DENTAL P.C.

Dentist (General Practice)

3115 LEWIS AVE
ZION, IL 60099

Lake County (847) 746-1115

JENNIFER S. GARLAND D.D.S.

Dentist (General Practice)

3115 LEWIS AVE
ZION, IL 60099

Lake County (847) 746-1115

MR. DENNIS E MCCREARY

Family Medicine

3115 LEWIS AVE
ZION, IL 60099

Lake County (847) 746-3752

HAROLD J. BIRKY DDS LTD.

Dentist (General Practice)

3115 LEWIS AVE
ZION, IL 60099

Lake County (847) 746-8622

REBECCA S MATTESON LPT

Physical Therapist

3115 LEWIS AVE
ZION, IL 60099

Lake County (630) 924-0156

MARIEL DE VERA VISCONDE RPT

Physical Therapist

3115 LEWIS AVE
ZION, IL 60099

Lake County (847) 746-3752

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 Harsha Kaza's NPI number?

The NPI number for Harsha Kaza is 1598786436. It was assigned to this individual provider in the NPPES registry on July 23, 2006.

Where is Harsha Kaza located?

Harsha Kaza practices at 3115 Lewis Ave, Zion, IL 60099. The listed phone number is (847) 746-3752.

What is Harsha Kaza's specialty?

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

Is Harsha Kaza enrolled in Medicare?

Yes. Harsha Kaza 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 Harsha Kaza's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Harsha Kaza reassigns Medicare benefits to 3 organizations: Amg Illinois Ltd (Gurnee, IL), Aurora Medical Group, Inc. (Milwaukee, WI) and Ascension Medical Group-Southeast Wisconsin Inc (Milwaukee, WI). 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 Harsha Kaza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Harsha Kaza accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), Network Health and Quartz list Harsha Kaza 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 Harsha Kaza affiliated with any hospitals?

According to CMS data, Harsha Kaza is affiliated with Vista Medical Center East, Advocate Condell Medical Center, Aurora St Lukes Medical Center and Aurora Medical Center Kenosha.

When was this NPI record last updated?

The NPPES record for Harsha Kaza was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.