Doctor profile · Federal record

Dr. Rosalie Chang, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Denver, CO

  • NPI 1417929738
  • Accepts Medicare
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
835 E 18Th Ave Ste 110
Denver, CO 80218
(303) 825-4646
fax (303) 825-3215

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
August 9, 2018
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Colorado #43820
Medicaid
CO #56572573

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417929738. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
412
Distinct HCPCS
6
Medicare allowed
$45,217
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 159 79 $120
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 116 62 $74
99239 Hospital discharge day management, more than 30 minutes 62 62 $116
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 30 30 $131
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 29 29 $175
99238 Hospital discharge day management, 30 minutes or less 16 16 $82

In context: peer comparison

Among 64 peers in this city , average services per provider: 73. This provider delivers 5.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
51
Patients
51
Total drug cost
$319
Drug Type Claims Patients Total cost
Cefuroxime (Cefuroxime Axetil) Brand 23 23 $185
Metoprolol Tartrate Generic 16 16 $82
Furosemide Generic 12 12 $52

Frequently asked questions

Auto-generated from federal data
What is Dr. Rosalie Chang's medical specialty?
Dr. Rosalie Chang practices Hospitalist Physician in Denver, CO.
Where does Dr. Rosalie Chang practice?
Dr. Rosalie Chang practices at 835 E 18Th Ave Ste 110, Denver, CO 80218. Office phone: 3038254646.
What is Dr. Rosalie Chang's NPI?
Dr. Rosalie Chang's National Provider Identifier (NPI) is 1417929738, issued by NPPES.
Does Dr. Rosalie Chang accept Medicare assignment?
Yes. Dr. Rosalie Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rosalie Chang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.