Doctor profile · Federal record
Dr. Alex Thomas, M.D.
Allergy Physician (CMS: Allergy/Immunology) · Allergy Physician · Chicago, IL
- NPI 1265632574
- Accepts Medicare
- 19 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
4014 N Central Ave
Chicago, IL 606341832
(773) 283-9594
fax (773) 283-6711 - Additional location
-
520 E Northwest Hwy
Mount Prospect, IL 600563306
(847) 255-3050
Credentials & registration
- NPI registered
- July 2007 — 19 yrs on file
- Profile last updated
- November 11, 2025
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207KA0200X — NUCC code
- State licenses (2)
- Illinois #336.135822 · Wisconsin #53149
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265632574. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,722
Distinct HCPCS
6
Medicare allowed
$40,568
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95165 |
Professional service for preparation and provision of 1 or more antigens | 1,030 | 34 | $16 | |
95117 |
Professional service for multiple injections of allergen | 445 | 35 | $12 | |
95115 |
Professional service for single injection of allergen | 114 | 12 | $11 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 102 | 56 | $134 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 17 | $94 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 13 | 13 | $176 |
In context: peer comparison
Among 2 peers in Chicago Allergy Physician, average services per provider: 336. This provider delivers 5.1× the peer median.Open Payments
Industry payments received
All-time total
$1,550
Transactions
57
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 18 | $458.08 | |
| Genzyme Corporation | 12 | $423.70 | |
| Regeneron Healthcare Solutions, INC. | 7 | $270.31 | |
| Novartis Pharmaceuticals Corporation | 8 | $137.43 | |
| GlaxoSmithKline, LLC. | 4 | $74.14 | |
| Takeda Pharmaceuticals U.S.A., INC. | 3 | $65.59 | |
| Genentech USA, INC. | 2 | $46.12 | |
| Kaleo, INC. | 1 | $29.84 | |
| Csl Behring | 1 | $27.02 | |
| Amgen INC. | 1 | $17.70 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
565
Patients
129
Total drug cost
$91,391
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 135 | 41 | $2,265 |
| Azelastine Hcl | Generic | 62 | 27 | $2,389 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 55 | 19 | $2,460 |
| Prednisone | Generic | 55 | 21 | $188 |
| Fluticasone Propionate | Generic | 48 | 21 | $1,084 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 30 | 0 | $24,762 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 25 | 0 | $24,206 |
| Ipratropium Bromide | Generic | 24 | 0 | $1,003 |
| Triamcinolone Acetonide | Generic | 23 | 0 | $290 |
| Arnuity Ellipta (Fluticasone Furoate) | Brand | 21 | 0 | $11,111 |
Frequently asked questions
What is Dr. Alex Thomas's medical specialty?
Dr. Alex Thomas practices Allergy Physician in Chicago, IL.
Where does Dr. Alex Thomas practice?
Dr. Alex Thomas practices at 4014 N Central Ave, Chicago, IL 606341832. Office phone: 7732839594.
What is Dr. Alex Thomas's NPI?
Dr. Alex Thomas's National Provider Identifier (NPI) is 1265632574, issued by NPPES.
Does Dr. Alex Thomas accept Medicare assignment?
Yes. Dr. Alex Thomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alex Thomas commonly perform?
Top Medicare-reported procedures in 2023: Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); 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.