Doctor profile · Federal record

Dr. Austin Hwang, MD

Gastroenterology Physician (CMS: Gastroenterology) · Philadelphia, PA

  • NPI 1457569691
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
833 Chestnut St, Suite 701
Philadelphia, PA 191074414
(215) 955-6180
Mailing address
615 Chestnut St, 14Th Floor
Philadelphia, PA 191064404

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
March 21, 2017
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Pennsylvania #MD437205
Medicaid (2)
NJ #0201448 · PA #1023303490001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457569691. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
818
Distinct HCPCS
10
Medicare allowed
$100,980
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 166 166 $109
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 125 123 $94
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 104 103 $257
99214 Established patient office or other outpatient visit, 30-39 minutes 97 73 $132
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 85 51 $51
99213 Established patient office or other outpatient visit, 20-29 minutes 69 53 $94
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 54 34 $81
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 34 33 $134
99204 New patient office or other outpatient visit, 45-59 minutes 28 28 $173
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 15 15 $86

In context: peer comparison

Among 80 peers in Philadelphia Gastroenterology Physician, average services per provider: 80. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,064
Transactions
97
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 28 $576.92
Janssen Biotech, INC. 14 $362.51
Celgene Corporation 10 $166.27
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 11 $164.02
Takeda Pharmaceuticals U.S.A., INC. 7 $152.46
Lilly USA, LLC 6 $107.97
Regeneron Healthcare Solutions, INC. 3 $79.30
Qol Medical, LLC 3 $76.76
Pfizer INC. 3 $57.85
Ferring Pharmaceuticals INC. 3 $56.00
Merck Sharp & Dohme LLC 2 $40.08
Ardelyx, INC. 2 $39.70
Ipsen Biopharmaceuticals, INC 2 $38.40
Ironwood Pharmaceuticals, INC 2 $28.61
Genzyme Corporation 1 $25.58

By nature of payment

Food and Beverage
$2,045
Education
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
321
Patients
83
Total drug cost
$84,213
Drug Type Claims Patients Total cost
Omeprazole Generic 172 67 $2,692
Pantoprazole Sodium Generic 38 16 $1,016
Mesalamine Generic 24 0 $10,713
Xifaxan (Rifaximin) Brand 21 0 $67,251
Dicyclomine Hcl Generic 17 0 $483
Famotidine Generic 13 0 $186
Ondansetron Hcl Generic 13 0 $317
Sucralfate Generic 12 0 $768
Lansoprazole Generic 11 0 $787

Frequently asked questions

Auto-generated from federal data
What is Dr. Austin Hwang's medical specialty?
Dr. Austin Hwang practices Gastroenterology Physician in Philadelphia, PA.
Where does Dr. Austin Hwang practice?
Dr. Austin Hwang practices at 833 Chestnut St, Philadelphia, PA 191074414. Office phone: 2159556180.
What is Dr. Austin Hwang's NPI?
Dr. Austin Hwang's National Provider Identifier (NPI) is 1457569691, issued by NPPES.
Does Dr. Austin Hwang accept Medicare assignment?
Yes. Dr. Austin Hwang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Austin Hwang commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.