Doctor profile · Federal record

Dr. Mark Lowenthal, M.D.

Allergy Physician (CMS: Allergy/Immunology) · Orland Park, IL

  • NPI 1407830136
  • Accepts Medicare
  • 39 yrs in practice
  • 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
December 2005 — 21 yrs on file
Profile last updated
December 8, 2021
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207KA0200X — NUCC code
State license (1)
Illinois #36080077
Medicaid
IL #036080077

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407830136. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,321
Distinct HCPCS
10
Medicare allowed
$94,018
HCPCS Description Services Patients Avg allowed
95004 Test for allergy using allergenic extract 2,946 65 $4
95165 Professional service for preparation and provision of 1 or more antigens 1,015 33 $16
95117 Professional service for multiple injections of allergen 417 33 $12
99213 Established patient office or other outpatient visit, 20-29 minutes 326 165 $92
95024 Test for allergy using allergenic extract injected into skin 247 18 $9
94010 Test to measure expiratory airflow and volume 108 82 $28
99214 Established patient office or other outpatient visit, 30-39 minutes 78 62 $131
95018 Test for allergy using combination of methods with drug or biological 72 11 $21
99204 New patient office or other outpatient visit, 45-59 minutes 36 36 $174
99203 New patient office or other outpatient visit, 30-44 minutes 34 34 $118

In context: peer comparison

Among 3 peers in this city , average services per provider: 371. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
895
Patients
250
Total drug cost
$236,945
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 173 53 $3,135
Azelastine Hcl Generic 116 37 $5,299
Flovent Hfa (Fluticasone Propionate) Brand 79 21 $45,286
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 61 38 $2,101
Fluticasone Propionate Generic 58 18 $1,326
Ipratropium Bromide Generic 57 19 $2,775
Arnuity Ellipta (Fluticasone Furoate) Brand 50 17 $24,964
Levocetirizine Dihydrochloride Generic 45 14 $911
Pulmicort Flexhaler (Budesonide) Brand 45 0 $17,019
Advair Diskus (Fluticasone Propion/Salmeterol) Brand 44 0 $39,396

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Lowenthal's medical specialty?
Dr. Mark Lowenthal practices Allergy Physician in Orland Park, IL.
Where does Dr. Mark Lowenthal practice?
Dr. Mark Lowenthal practices at 10733 W. 165Th St., Orland Park, IL 604678713. Office phone: 7089577468.
What is Dr. Mark Lowenthal's NPI?
Dr. Mark Lowenthal's National Provider Identifier (NPI) is 1407830136, issued by NPPES.
Does Dr. Mark Lowenthal accept Medicare assignment?
Yes. Dr. Mark Lowenthal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Lowenthal commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Professional service for multiple injections of allergen (HCPCS 95117). Source: CMS Medicare Physician & Other Practitioners file.