Doctor profile · Federal record

Dr. Chang Choi, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Annapolis, MD

  • NPI 1912907593
  • Accepts Medicare
  • 25 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2001 Medical Pkwy
Annapolis, MD 214013280
(443) 481-1000
Mailing address
Po Box 64916
Baltimore, MD 212644916

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
May 20, 2022
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Virginia #0101262334 · Maryland #D0061783
Medicaid
MD #405721000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912907593. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,867
Distinct HCPCS
9
Medicare allowed
$265,727
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 662 602 $175
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 640 332 $119
99239 Hospital discharge day management, more than 30 minutes 283 273 $115
99291 Critical care, first 30-74 minutes 124 99 $216
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 86 70 $79
99292 Critical care, each additional 30 minutes 30 23 $109
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 15 15 $125
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 14 14 $85
99238 Hospital discharge day management, 30 minutes or less 13 13 $82

In context: peer comparison

Among 8 peers in Annapolis Hospitalist Physician, average services per provider: 121. This provider delivers 15× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
11
Total drug cost
$32
Drug Type Claims Patients Total cost
Furosemide Generic 11 11 $32

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Chang Choi's medical specialty?
Dr. Chang Choi practices Hospitalist Physician in Annapolis, MD.
Where does Dr. Chang Choi practice?
Dr. Chang Choi practices at 2001 Medical Pkwy, Annapolis, MD 214013280. Office phone: 4434811000.
What is Dr. Chang Choi's NPI?
Dr. Chang Choi's National Provider Identifier (NPI) is 1912907593, issued by NPPES.
Does Dr. Chang Choi accept Medicare assignment?
Yes. Dr. Chang Choi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chang Choi commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.