Doctor profile · Federal record

Dr. Michael Flais, M.D.

Allergy Physician · Orland Park, IL

  • NPI 1003899808
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10733 W. 165Th St.
Orland Park, IL 604678713
(708) 957-7468
fax (708) 957-7471

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
March 17, 2010
Specialty taxonomy
207KA0200X — NUCC code
State license (1)
Illinois #36102033
Medicaid
IL #036102033

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003899808. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,522
Distinct HCPCS
10
Medicare allowed
$34,400
HCPCS Description Services Patients Avg allowed
95004 Test for allergy using allergenic extract 1,803 35 $4
95117 Professional service for multiple injections of allergen 215 41 $12
95115 Professional service for single injection of allergen 159 35 $10
95024 Test for allergy using allergenic extract injected into skin 100 11 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 74 58 $91
99214 Established patient office or other outpatient visit, 30-39 minutes 44 38 $128
96160 Administration and interpretation of patient-focused health risk assessment 36 29 $3
99204 New patient office or other outpatient visit, 45-59 minutes 35 35 $168
94375 Test to measure rate of airflow 25 22 $39
99203 New patient office or other outpatient visit, 30-44 minutes 18 18 $113

In context: peer comparison

Among 3 peers in this city , average services per provider: 371. This provider delivers 6.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$253
Transactions
12
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 4 $89.71
CSL Behring 3 $60.19
GENZYME CORPORATION 2 $42.19
Regeneron Healthcare Solutions, Inc. 1 $22.42
Novartis Pharmaceuticals Corporation 1 $21.38
GlaxoSmithKline, LLC. 1 $16.84

By nature of payment

Food and Beverage
$253

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
369
Patients
100
Total drug cost
$78,663
Drug Type Claims Patients Total cost
Azelastine Hcl Generic 78 33 $2,729
Symbicort (Budesonide/Formoterol Fumarate) Brand 61 15 $32,004
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 37 22 $1,039
Ipratropium Bromide Generic 35 15 $1,514
Montelukast Sodium Generic 29 0 $615
Flovent Hfa (Fluticasone Propionate) Brand 26 0 $11,297
Spiriva Respimat (Tiotropium Bromide) Brand 21 0 $12,618
Fluticasone-Salmeterol (Fluticasone Propion/Salmeterol) Brand 19 0 $5,947
Fluticasone Propionate Generic 18 0 $315
Prednisone Generic 17 15 $82

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Flais's medical specialty?
Dr. Michael Flais practices Allergy Physician in Orland Park, IL.
Where does Dr. Michael Flais practice?
Dr. Michael Flais practices at 10733 W. 165Th St., Orland Park, IL 604678713. Office phone: 7089577468.
What is Dr. Michael Flais's NPI?
Dr. Michael Flais's National Provider Identifier (NPI) is 1003899808, issued by NPPES.
What procedures does Dr. Michael Flais commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Professional service for multiple injections of allergen (HCPCS 95117); Professional service for single injection of allergen (HCPCS 95115). Source: CMS Medicare Physician & Other Practitioners file.