Doctor profile · Federal record

Dr. Warren Hsu, D.O.

Allergy Physician (CMS: Internal Medicine) · Oakland Gardens, NY

  • NPI 1053473843
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
21215 Union Tpke
Oakland Gardens, NY 113643519
(718) 217-8600
fax (718) 217-0926
Mailing address
212-15 Union Tpke
Oakland Gardens, NY 113643519

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
February 26, 2013
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207KA0200X — NUCC code
State license (1)
New York #186109

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053473843. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,225
Distinct HCPCS
10
Medicare allowed
$84,780
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 303 91 $89
99214 Established patient office or other outpatient visit, 30-39 minutes 267 99 $128
36415 Insertion of needle into vein for collection of blood sample 199 99 $8
92553 Test for hearing various pitches using earphone and device placed against the bone 84 67 $49
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 74 71 $17
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 58 58 $148
G0444 Annual depression screening, 5 to 15 minutes 52 52 $22
90688 Influenza vaccine, quadrivalent, 0.5 ml dosage 49 49 $20
G0008 Administration of influenza virus vaccine 49 49 $36
94664 Evaluation of use of breathing device 33 24 $21

In context: peer comparison

Among 1 peers in Oakland Gardens Allergy Physician, average services per provider: 94. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$167
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 3 $149.01
Kowa Pharmaceuticals America, INC. 1 $17.89

By nature of payment

Food and Beverage
$167

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
887
Patients
214
Total drug cost
$23,989
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 175 50 $1,785
Amlodipine Besylate Generic 161 41 $852
Losartan Potassium Generic 96 24 $1,040
Rosuvastatin Calcium Generic 81 23 $1,495
Clopidogrel (Clopidogrel Bisulfate) Brand 52 13 $851
Metformin Hcl ER (Metformin Hcl) Brand 45 13 $376
Tamsulosin Hcl Generic 45 15 $1,102
Fluticasone Propionate Generic 41 24 $976
Metformin Hcl Generic 35 0 $541
Atenolol Generic 30 0 $204

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Warren Hsu's medical specialty?
Dr. Warren Hsu practices Allergy Physician in Oakland Gardens, NY.
Where does Dr. Warren Hsu practice?
Dr. Warren Hsu practices at 21215 Union Tpke, Oakland Gardens, NY 113643519. Office phone: 7182178600.
What is Dr. Warren Hsu's NPI?
Dr. Warren Hsu's National Provider Identifier (NPI) is 1053473843, issued by NPPES.
Does Dr. Warren Hsu accept Medicare assignment?
Yes. Dr. Warren Hsu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Warren Hsu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.