Doctor profile · Federal record

Dr. Harsha Kaza, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Zion, IL

  • NPI 1598786436
  • Accepts Medicare
  • 29 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3115 Lewis Ave
Zion, IL 600993099
(847) 746-3752
Additional location
515 22Nd Ave
Monroe, WI 535661569
(608) 324-2000
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 13, 2026
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Wisconsin #46268 · Illinois #036-110833
Medicaid
WI #34466000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598786436. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
591
Distinct HCPCS
10
Medicare allowed
$74,793
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 210 91 $134
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 63 63 $134
G0009 Administration of pneumococcal vaccine 50 50 $32
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 46 46 $283
99215 Established patient office or other outpatient visit, 40-54 minutes 46 36 $189
G0008 Administration of influenza virus vaccine 41 41 $32
90662 Influenza vaccine split virus, preservative free 38 38 $72
99204 New patient office or other outpatient visit, 45-59 minutes 35 35 $172
99213 Established patient office or other outpatient visit, 20-29 minutes 34 29 $93
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 16 16 $15

In context: peer comparison

Among 3 peers in this city , average services per provider: 116. This provider delivers 5.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,353
Patients
668
Total drug cost
$18,359
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 320 155 $4,243
Amlodipine Besylate Generic 160 88 $1,125
Levothyroxine Sodium Generic 115 54 $2,103
Losartan Potassium Generic 107 47 $1,717
Metoprolol Succinate Generic 84 42 $1,987
Metformin Hcl Generic 78 44 $761
Hydrochlorothiazide Generic 72 34 $405
Rosuvastatin Calcium Generic 72 32 $1,540
Lisinopril Generic 67 39 $473
Pravastatin Sodium Generic 58 29 $1,363

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Harsha Kaza's medical specialty?
Dr. Harsha Kaza practices Internal Medicine Physician in Zion, IL.
Where does Dr. Harsha Kaza practice?
Dr. Harsha Kaza practices at 3115 Lewis Ave, Zion, IL 600993099. Office phone: 8477463752.
What is Dr. Harsha Kaza's NPI?
Dr. Harsha Kaza's National Provider Identifier (NPI) is 1598786436, issued by NPPES.
Does Dr. Harsha Kaza accept Medicare assignment?
Yes. Dr. Harsha Kaza accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harsha Kaza commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Administration of pneumococcal vaccine (HCPCS G0009). Source: CMS Medicare Physician & Other Practitioners file.