Doctor profile · Federal record

Dr. John Basich, M.D.

Internal Medicine Physician (CMS: Allergy/Immunology) · Allergy Physician · Brookfield, WI

  • NPI 1730239393
  • Accepts Medicare
  • 52 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
16985 W Bluemound RD
Brookfield, WI 530055909
(414) 641-8400
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
April 21, 2025
Year of graduation
1974 — 52 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Wisconsin #21910 · Wisconsin #21910-3541
Medicaid
WI #30311400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730239393. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,057
Distinct HCPCS
7
Medicare allowed
$21,222
HCPCS Description Services Patients Avg allowed
95165 Professional service for preparation and provision of 1 or more antigens 294 22 $14
95004 Test for allergy using allergenic extract 273 11 $4
95115 Professional service for single injection of allergen 166 14 $9
95117 Professional service for multiple injections of allergen 154 18 $11
99213 Established patient office or other outpatient visit, 20-29 minutes 108 91 $85
94010 Test to measure expiratory airflow and volume 46 43 $25
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $156

In context: peer comparison

Among 16 peers in Brookfield Internal Medicine Physician, average services per provider: 91. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$95
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $94.66

By nature of payment

Food and Beverage
$95

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,283
Patients
470
Total drug cost
$309,181
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 223 98 $5,360
Fluticasone Propionate Generic 145 52 $2,645
Symbicort (Budesonide/Formoterol Fumarate) Brand 143 34 $91,877
Prednisone Generic 119 80 $402
Montelukast Sodium Generic 118 38 $2,434
Flovent Hfa (Fluticasone Propionate) Brand 95 23 $37,252
Wixela Inhub (Fluticasone Propion/Salmeterol) Brand 68 16 $22,631
Azithromycin Generic 67 44 $228
Spiriva Respimat (Tiotropium Bromide) Brand 63 14 $44,805
Azelastine Hcl Generic 59 22 $2,748

Frequently asked questions

Auto-generated from federal data
What is Dr. John Basich's medical specialty?
Dr. John Basich practices Internal Medicine Physician in Brookfield, WI.
Where does Dr. John Basich practice?
Dr. John Basich practices at 16985 W Bluemound RD, Brookfield, WI 530055909. Office phone: 4146418400.
What is Dr. John Basich's NPI?
Dr. John Basich's National Provider Identifier (NPI) is 1730239393, issued by NPPES.
Does Dr. John Basich accept Medicare assignment?
Yes. Dr. John Basich accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Basich commonly perform?
Top Medicare-reported procedures in 2023: Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Test for allergy using allergenic extract (HCPCS 95004); Professional service for single injection of allergen (HCPCS 95115). Source: CMS Medicare Physician & Other Practitioners file.