Doctor profile · Federal record

Dr. Lawrence Chau, DO

Hospitalist Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Internal Medicine Physician · Anaheim, CA

  • NPI 1396221438
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1211 W la Palma Ave Ste 404
Anaheim, CA 928012806
(714) 772-8282
fax (714) 772-6493
Additional location
1720 E Cesar E Chavez Ave
Los Angeles, CA 900332414
(323) 268-5000
Mailing address
Po Box 15090
Anaheim, CA 928035090

Credentials & registration

NPPES · NUCC
NPI registered
July 2018 — 8 yrs on file
Profile last updated
March 1, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #20A17369

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396221438. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
407
Distinct HCPCS
3
Medicare allowed
$54,396
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 288 103 $125
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 69 67 $180
99239 Hospital discharge day management, more than 30 minutes 50 47 $119

In context: peer comparison

Among 7 peers in this city , average services per provider: 306. This provider delivers 1.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
92
Patients
79
Total drug cost
$913
Drug Type Claims Patients Total cost
Levofloxacin Generic 22 21 $338
Atorvastatin Calcium Generic 19 19 $203
Furosemide Generic 15 15 $52
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $74
Carvedilol Generic 12 12 $110
Pantoprazole Sodium Generic 12 0 $136

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lawrence Chau's medical specialty?
Dr. Lawrence Chau practices Hospitalist Physician in Anaheim, CA.
Where does Dr. Lawrence Chau practice?
Dr. Lawrence Chau practices at 1211 W la Palma Ave Ste 404, Anaheim, CA 928012806. Office phone: 7147728282.
What is Dr. Lawrence Chau's NPI?
Dr. Lawrence Chau's National Provider Identifier (NPI) is 1396221438, issued by NPPES.
Does Dr. Lawrence Chau accept Medicare assignment?
Yes. Dr. Lawrence Chau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lawrence Chau commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.