Doctor profile · Federal record

Dr. Brian Ahn

Critical Care Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Aurora, CO

  • NPI 1144682253
  • Accepts Medicare
  • MIPS 88.0 / 100 · 2023
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
12605 E 16Th Ave
Aurora, CO 800452545
(720) 848-0000
Additional location
200 Lothrop St, UPMC Montefiore, Suite N-715
Pittsburgh, PA 152132536
(412) 692-4700

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
March 24, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
Colorado #DR.0062593

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144682253. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
558
Distinct HCPCS
10
Medicare allowed
$77,783
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 190 127 $211
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 108 72 $118
99214 Established patient office or other outpatient visit, 30-39 minutes 57 46 $129
94060 Test to measure expiratory airflow and volume changes before and after medication administration 37 35 $40
94727 Test to determine lung volumes using gas dilution or washout 37 35 $45
94729 Test to examine how well the lungs exchange gases 37 35 $59
99204 New patient office or other outpatient visit, 45-59 minutes 30 30 $167
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 27 26 $172
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 12 12 $82
76937 Ultrasonic guidance for blood vessel access 12 12 $14

In context: peer comparison

Among 15 peers in this city , average services per provider: 62. This provider delivers 9.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$42
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals Inc. 1 $23.72
GlaxoSmithKline, LLC. 1 $18.64

By nature of payment

Food and Beverage
$42

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
281
Patients
40
Total drug cost
$115,254
Drug Type Claims Patients Total cost
Spiriva Respimat (Tiotropium Bromide) Brand 53 17 $39,788
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 44 0 $30,605
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 27 11 $904
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 27 0 $16,345
Symbicort (Budesonide/Formoterol Fumarate) Brand 26 0 $11,315
Omeprazole Generic 19 0 $171
Fluticasone Propionate Generic 18 0 $412
Fluticasone-Salmeterol (Fluticasone Propion/Salmeterol) Brand 17 0 $6,689
Advair Hfa (Fluticasone Propion/Salmeterol) Brand 14 0 $8,441
Roflumilast Generic 13 0 $396

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Ahn's medical specialty?
Dr. Brian Ahn practices Critical Care Medicine (Internal Medicine) Physician in Aurora, CO.
Where does Dr. Brian Ahn practice?
Dr. Brian Ahn practices at 12605 E 16Th Ave, Aurora, CO 800452545. Office phone: 7208480000.
What is Dr. Brian Ahn's NPI?
Dr. Brian Ahn's National Provider Identifier (NPI) is 1144682253, issued by NPPES.
Does Dr. Brian Ahn accept Medicare assignment?
Yes. Dr. Brian Ahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Ahn commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.