Doctor profile · Federal record

Dr. Warden Hwan, M.D.

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Pediatrics Physician · Scranton, PA

  • NPI 1811946916
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3 W Olive St
Scranton, PA 185082572
(570) 614-2460
fax (570) 614-2461
Additional location
100 N Academy Ave
Danville, PA 178223195
(570) 271-6259
fax (570) 271-6002
Mailing address
100 N Academy Ave
Danville, PA 178224903

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 8, 2025
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207K00000X — NUCC code
State license (1)
Pennsylvania #MD072638L

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811946916. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
504
Distinct HCPCS
5
Medicare allowed
$13,938
HCPCS Description Services Patients Avg allowed
95004 Test for allergy using allergenic extract 360 15 $4
99213 Established patient office or other outpatient visit, 20-29 minutes 51 45 $64
99214 Established patient office or other outpatient visit, 30-39 minutes 47 33 $92
99204 New patient office or other outpatient visit, 45-59 minutes 28 28 $128
99203 New patient office or other outpatient visit, 30-44 minutes 18 18 $80

In context: peer comparison

Among 1 peers in Scranton Allergy & Immunology Physician, average services per provider: 100. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
806
Patients
201
Total drug cost
$319,659
Drug Type Claims Patients Total cost
Azelastine Hcl Generic 178 59 $5,824
Fluticasone Propionate Generic 100 31 $1,519
Montelukast Sodium Generic 73 16 $1,065
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 65 21 $3,679
Xolair (Omalizumab) Brand 61 0 $224,187
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 58 11 $47,838
Levocetirizine Dihydrochloride Generic 56 11 $712
Famotidine Generic 45 0 $698
Ipratropium Bromide Generic 36 19 $1,690
Epinephrine Generic 27 18 $6,979

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Warden Hwan's medical specialty?
Dr. Warden Hwan practices Allergy & Immunology Physician in Scranton, PA.
Where does Dr. Warden Hwan practice?
Dr. Warden Hwan practices at 3 W Olive St, Scranton, PA 185082572. Office phone: 5706142460.
What is Dr. Warden Hwan's NPI?
Dr. Warden Hwan's National Provider Identifier (NPI) is 1811946916, issued by NPPES.
Does Dr. Warden Hwan accept Medicare assignment?
Yes. Dr. Warden Hwan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Warden Hwan commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.