Doctor profile · Federal record

Dr. Thomas Shen, M.D.

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Leesburg, FL

  • NPI 1194795807
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8245 County Road 44 Leg A, Suite 1
Leesburg, FL 347883751
(352) 314-2929
fax (352) 314-9747

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
March 17, 2014
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207K00000X — NUCC code
State license (1)
Florida #ME0073924
Medicaid
FL #252644100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194795807. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
10,915
Distinct HCPCS
10
Medicare allowed
$158,517
HCPCS Description Services Patients Avg allowed
95004 Test for allergy using allergenic extract 4,357 71 $4
95165 Professional service for preparation and provision of 1 or more antigens 2,673 153 $15
95024 Test for allergy using allergenic extract injected into skin 984 46 $8
95117 Professional service for multiple injections of allergen 870 136 $11
95044 Test for allergy using skin patch 727 11 $5
95115 Professional service for single injection of allergen 385 63 $10
99214 Established patient office or other outpatient visit, 30-39 minutes 290 193 $124
94060 Test to measure expiratory airflow and volume changes before and after medication administration 116 79 $37
99204 New patient office or other outpatient visit, 45-59 minutes 109 109 $163
99213 Established patient office or other outpatient visit, 20-29 minutes 102 92 $89

In context: peer comparison

Among 1 peers in this city , average services per provider: 727. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,130
Transactions
47
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 12 $266.01
GENZYME CORPORATION 9 $229.61
Genentech USA, Inc. 5 $152.87
AstraZeneca Pharmaceuticals LP 7 $149.29
CSL Behring 4 $99.28
Takeda Pharmaceuticals U.S.A., Inc. 3 $74.68
Pharming Healthcare, Inc. 2 $48.65
Regeneron Healthcare Solutions, Inc. 2 $36.33
BioCryst US Sales Co., LLC 1 $32.42
Novartis Pharmaceuticals Corporation 1 $24.18
PFIZER INC. 1 $17.09

By nature of payment

Food and Beverage
$1,130

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
634
Patients
229
Total drug cost
$183,577
Drug Type Claims Patients Total cost
Fluticasone Propionate Generic 134 57 $3,086
Breo Ellipta (Fluticasone/Vilanterol) Brand 66 15 $31,948
Montelukast Sodium Generic 61 21 $1,027
Levocetirizine Dihydrochloride Generic 51 21 $844
Ipratropium Bromide Generic 48 23 $2,950
Cefuroxime (Cefuroxime Axetil) Brand 46 41 $1,685
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 38 24 $1,457
Advair Diskus (Fluticasone Propion/Salmeterol) Brand 32 0 $17,304
Epinephrine Generic 28 27 $8,463
Flovent Hfa (Fluticasone Propionate) Brand 27 0 $8,713

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Shen's medical specialty?
Dr. Thomas Shen practices Allergy & Immunology Physician in Leesburg, FL.
Where does Dr. Thomas Shen practice?
Dr. Thomas Shen practices at 8245 County Road 44 Leg A, Leesburg, FL 347883751. Office phone: 3523142929.
What is Dr. Thomas Shen's NPI?
Dr. Thomas Shen's National Provider Identifier (NPI) is 1194795807, issued by NPPES.
Does Dr. Thomas Shen accept Medicare assignment?
Yes. Dr. Thomas Shen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Shen 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); Test for allergy using allergenic extract injected into skin (HCPCS 95024). Source: CMS Medicare Physician & Other Practitioners file.