Doctor profile · Federal record

Dr. Chau to, M.D.

Internal Medicine Physician (CMS: Gastroenterology) · Baltimore, MD

  • NPI 1124415088
  • Accepts Medicare
  • MIPS 74.9 / 100 · 2023
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2401 W Belvedere Ave
Baltimore, MD 212155216
(410) 601-0594
fax (410) 601-0939

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
January 20, 2022
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Maryland #D87564
Medicaid
MD #D0087564

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124415088. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,038
Distinct HCPCS
3
Medicare allowed
$88,892
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 792 273 $82
99239 Hospital discharge day management, more than 30 minutes 164 159 $119
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 82 50 $51

In context: peer comparison

Among 363 peers in Baltimore Internal Medicine Physician, average services per provider: 105. This provider delivers 9.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$44
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 2 $43.74

By nature of payment

Food and Beverage
$44

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
264
Patients
196
Total drug cost
$20,784
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 30 18 $17,942
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 26 21 $732
Pantoprazole Sodium Generic 26 21 $325
Atorvastatin Calcium Generic 23 18 $357
Furosemide Generic 20 19 $102
Metoprolol Tartrate Generic 20 16 $91
Losartan Potassium Generic 18 11 $195
Amlodipine Besylate Generic 17 16 $106
Metoprolol Succinate Generic 17 14 $387
Hydralazine Hcl Generic 16 16 $203

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Chau to's medical specialty?
Dr. Chau to practices Internal Medicine Physician in Baltimore, MD.
Where does Dr. Chau to practice?
Dr. Chau to practices at 2401 W Belvedere Ave, Baltimore, MD 212155216. Office phone: 4106010594.
What is Dr. Chau to's NPI?
Dr. Chau to's National Provider Identifier (NPI) is 1124415088, issued by NPPES.
Does Dr. Chau to accept Medicare assignment?
Yes. Dr. Chau to accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chau to commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.