Doctor profile · Federal record

Dr. William Chiu, M.D.

Trauma Surgery Physician (CMS: General Surgery) · Surgical Critical Care Physician · Baltimore, MD

  • NPI 1518939925
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
22 S Greene St
Baltimore, MD 212011544
(410) 328-6566
fax (410) 328-4124
Mailing address
Po Box 64793
Baltimore, MD 212644793

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
May 16, 2024
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
2086S0127X — NUCC code
State license (1)
Maryland #D46147

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518939925. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
319
Distinct HCPCS
3
Medicare allowed
$32,683
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 178 75 $82
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 125 56 $125
11043 Removal of muscle and/or tissue, 20.0 sq cm or less 16 14 $154

In context: peer comparison

Among 7 peers in Baltimore Trauma Surgery Physician, average services per provider: 53. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$73
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Medical Device Business Services, INC. 1 $72.90

By nature of payment

Food and Beverage
$73

Frequently asked questions

Auto-generated from federal data
What is Dr. William Chiu's medical specialty?
Dr. William Chiu practices Trauma Surgery Physician in Baltimore, MD.
Where does Dr. William Chiu practice?
Dr. William Chiu practices at 22 S Greene St, Baltimore, MD 212011544. Office phone: 4103286566.
What is Dr. William Chiu's NPI?
Dr. William Chiu's National Provider Identifier (NPI) is 1518939925, issued by NPPES.
Does Dr. William Chiu accept Medicare assignment?
Yes. Dr. William Chiu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Chiu commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Removal of muscle and/or tissue, 20.0 sq cm or less (HCPCS 11043). Source: CMS Medicare Physician & Other Practitioners file.