Doctor profile · Federal record

Dr. Chiwon Hahn, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Richmond, VA

  • NPI 1598784704
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7101 Jahnke RD, Suite 500
Richmond, VA 232254017
(804) 320-2751
fax (804) 673-9218

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
208G00000X — NUCC code
State license (1)
Virginia #0101055201
Medicaid (2)
VA #1598784704 · VA #7400616

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598784704. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
289
Distinct HCPCS
10
Medicare allowed
$115,415
HCPCS Description Services Patients Avg allowed
33361 Replacement of aortic valve through the skin and femoral artery 68 68 $716
99203 New patient office or other outpatient visit, 30-44 minutes 53 53 $110
99205 New patient office or other outpatient visit, 60-74 minutes 29 29 $209
99204 New patient office or other outpatient visit, 45-59 minutes 28 28 $163
33533 Coronary artery bypass using artery graft, 1 graft 24 24 $1,596
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 24 23 $169
33508 Harvest of vein using an endoscope 23 23 $15
93314 Interpretation and report of ultrasound of heart 16 16 $87
33518 Coronary artery bypass using vein or artery graft, 2 grafts 12 12 $389
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 12 $127

In context: peer comparison

Among 8 peers in this city , average services per provider: 31. This provider delivers 9.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$572
Transactions
7
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 3 $174.55
Abbott Laboratories 1 $163.77
W. L. Gore & Associates, Inc. 1 $147.85
Edwards Lifesciences Corporation 2 $85.33

By nature of payment

Food and Beverage
$572

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
203
Patients
110
Total drug cost
$1,376
Drug Type Claims Patients Total cost
Amoxicillin Generic 71 47 $105
Metoprolol Tartrate Generic 41 21 $449
Amlodipine Besylate Generic 34 13 $310
Mupirocin Generic 29 29 $239
Metoprolol Succinate Generic 17 0 $168
Losartan Potassium Generic 11 0 $106

Frequently asked questions

Auto-generated from federal data
What is Dr. Chiwon Hahn's medical specialty?
Dr. Chiwon Hahn practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Richmond, VA.
Where does Dr. Chiwon Hahn practice?
Dr. Chiwon Hahn practices at 7101 Jahnke RD, Richmond, VA 232254017. Office phone: 8043202751.
What is Dr. Chiwon Hahn's NPI?
Dr. Chiwon Hahn's National Provider Identifier (NPI) is 1598784704, issued by NPPES.
Does Dr. Chiwon Hahn accept Medicare assignment?
Yes. Dr. Chiwon Hahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chiwon Hahn commonly perform?
Top Medicare-reported procedures in 2023: Replacement of aortic valve through the skin and femoral artery (HCPCS 33361); New patient office or other outpatient visit (HCPCS 99203); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.