Doctor profile · Federal record

Dr. Stephen Au, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Student in an Organized Health Care Education/Training Program · Long Beach, CA

  • NPI 1396036331
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5901 E 7Th St
Long Beach, CA 908225201
(562) 826-8000
Mailing address
55 Riverton Dr
San Francisco, CA 941321428

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
July 8, 2016
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #A124086

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396036331. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
322
Distinct HCPCS
10
Medicare allowed
$43,382
HCPCS Description Services Patients Avg allowed
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 43 29 $85
36620 Insertion of artery tube for blood sampling or infusion through skin 39 39 $44
93312 Ultrasound of heart with probe in esophagus, with report 33 32 $108
00811 Anesthesia for other procedure on large bowel using an endoscope 31 31 $144
93320 Ultrasound of heart blood flow, valves and chambers 30 29 $18
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 30 29 $3
76937 Ultrasonic guidance for blood vessel access 29 29 $14
76376 3d radiographic procedure 27 26 $10
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 17 17 $160
00567 Anesthesia for heart artery bypass grafting on heart-lung machine 15 15 $837

In context: peer comparison

Among 13 peers in Long Beach Anesthesiology Physician, average services per provider: 35. This provider delivers 9.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$136
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
EnableCV INC. 1 $117.20
Celltrion USA INC. 1 $18.87

By nature of payment

Food and Beverage
$136

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Au's medical specialty?
Dr. Stephen Au practices Anesthesiology Physician in Long Beach, CA.
Where does Dr. Stephen Au practice?
Dr. Stephen Au practices at 5901 E 7Th St, Long Beach, CA 908225201. Office phone: 5628268000.
What is Dr. Stephen Au's NPI?
Dr. Stephen Au's National Provider Identifier (NPI) is 1396036331, issued by NPPES.
Does Dr. Stephen Au accept Medicare assignment?
Yes. Dr. Stephen Au accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Au commonly perform?
Top Medicare-reported procedures in 2023: Insertion of non-tunneled central venous tube for infusion (5 years or older) (HCPCS 36556); Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Ultrasound of heart with probe in esophagus, with report (HCPCS 93312). Source: CMS Medicare Physician & Other Practitioners file.