Doctor profile · Federal record

Dr. Jennifer Au, M.D.

Gastroenterology Physician (CMS: General Surgery) · Student in an Organized Health Care Education/Training Program · Philadelphia, PA

  • NPI 1851552145
  • Accepts Medicare
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5501 Old York RD, Suite 202
Philadelphia, PA 191413018
(215) 456-8210
fax (215) 329-1085

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
January 9, 2017
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Pennsylvania #MD443334
Medicaid
PA #103127884

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851552145. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
524
Distinct HCPCS
10
Medicare allowed
$77,835
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 209 108 $189
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 62 20 $123
99214 Established patient office or other outpatient visit, 30-39 minutes 45 36 $137
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 44 42 $5
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 29 18 $82
99205 New patient office or other outpatient visit, 60-74 minutes 27 27 $225
45380 Biopsy of large bowel using a flexible endoscope 23 23 $102
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 21 20 $259
99204 New patient office or other outpatient visit, 45-59 minutes 19 19 $169
91200 Measurement of liver stiffness 16 15 $34

In context: peer comparison

Among 80 peers in Philadelphia Gastroenterology Physician, average services per provider: 80. This provider delivers 6.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,819
Transactions
79
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 19 $337.45
Takeda Pharmaceuticals U.S.A., INC. 9 $231.32
Gilead Sciences, INC. 12 $167.47
Genzyme Corporation 5 $144.86
Janssen Biotech, INC. 7 $136.38
Merck Sharp & Dohme LLC 5 $96.33
Boston Scientific Corporation 2 $90.61
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 5 $89.98
Eisai INC. 4 $88.66
Regeneron Healthcare Solutions, INC. 2 $61.97
Madrigal Pharmaceuticals 2 $47.40
Evoke Pharma, INC. 2 $41.43
Ipsen Biopharmaceuticals, INC 1 $41.18
Intercept Pharmaceuticals, INC. 2 $36.71
Braintree Laboratories, INC. 2 $30.08

By nature of payment

Food and Beverage
$1,819

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
532
Patients
133
Total drug cost
$258,933
Drug Type Claims Patients Total cost
Tacrolimus Generic 87 19 $13,090
Ursodiol Generic 61 12 $10,632
Spironolactone Generic 53 17 $613
Furosemide Generic 45 18 $299
Vemlidy (Tenofovir Alafenamide) Brand 45 0 $87,813
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 41 41 $3,028
Omeprazole Generic 39 12 $454
Xifaxan (Rifaximin) Brand 33 0 $123,706
Azathioprine Generic 28 0 $1,126
Mycophenolate Mofetil Generic 28 0 $4,208

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Au's medical specialty?
Dr. Jennifer Au practices Gastroenterology Physician in Philadelphia, PA.
Where does Dr. Jennifer Au practice?
Dr. Jennifer Au practices at 5501 Old York RD, Philadelphia, PA 191413018. Office phone: 2154568210.
What is Dr. Jennifer Au's NPI?
Dr. Jennifer Au's National Provider Identifier (NPI) is 1851552145, issued by NPPES.
Does Dr. Jennifer Au accept Medicare assignment?
Yes. Dr. Jennifer Au accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Au commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.