Doctor profile · Federal record

Dr. Ken Hui

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

  • NPI 1558755595
  • MIPS 74.4 / 100 · 2023
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1800 Orleans St
Baltimore, MD 212870010
(410) 502-6761
fax (443) 683-8335

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
March 8, 2021
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Maryland #D90925
Medicaid
MD #793661300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558755595. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
180
Distinct HCPCS
8
Medicare allowed
$21,647
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 43 42 $138
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 42 35 $84
99215 Established patient office or other outpatient visit, 40-54 minutes 18 15 $152
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 17 17 $53
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 17 16 $126
45380 Biopsy of large bowel using a flexible endoscope 16 16 $164
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 16 16 $184
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 11 11 $76

In context: peer comparison

Among 363 peers in this city , average services per provider: 105. This provider delivers 1.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$37
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Madrigal Pharmaceuticals 1 $36.72

By nature of payment

Food and Beverage
$37

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
36
Patients
0
Total drug cost
$9,553
Drug Type Claims Patients Total cost
Metoclopramide Hcl Generic 14 0 $131
Mesalamine Generic 11 0 $9,348
Omeprazole Generic 11 0 $74

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ken Hui's medical specialty?
Dr. Ken Hui practices Internal Medicine Physician in Baltimore, MD.
Where does Dr. Ken Hui practice?
Dr. Ken Hui practices at 1800 Orleans St, Baltimore, MD 212870010. Office phone: 4105026761.
What is Dr. Ken Hui's NPI?
Dr. Ken Hui's National Provider Identifier (NPI) is 1558755595, issued by NPPES.
Does Dr. Ken Hui accept Medicare assignment?
Dr. Ken Hui does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Ken Hui commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.