Physician Profile
Unclaimed ProfileAbout HAHN
Chiwon Hahn, M.D. is a healthcare provider in Richmond, VA specializing in thoracic surgery. Chiwon trained at Columbia University College of Physicians and Surgeons, graduating in 1987. Chiwon is also listed as specializing in thoracic surgery (cardiothoracic). According to Medicare claims data, Chiwon cared for 292 Medicare patients across 293 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (804) 320-2751
- Email not available
Practice Locations
7101 JAHNKE RD SUITE 500
Richmond, VA 23225
Procedures Most Often Billed to Medicare
293 services · 292 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Replacement of aortic valve through the skin and femoral artery | Procedure | 33361 |
89 |
| Harvest of vein using an endoscope | Procedure | 33508 |
24 |
| Coronary artery bypass using artery graft, 1 graft | Procedure | 33533 |
22 |
| Interpretation and report of ultrasound of heart | Treatment | 93314 |
12 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
70 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
28 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
17 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
16 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other thoracic surgeons in Richmond 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at Columbia University College of Physicians and Surgeons 7
Providers who graduated from the same medical school in the same year.
Also performs Replacement of aortic valve through the skin and femoral artery 8
Providers in VA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Hahn?
Dr. Hahn is a thoracic surgeon in Richmond, VA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “THORACIC SURGERY”.
NPI registry
What is Dr. Hahn's address?
Dr. Hahn is listed at 7101 JAHNKE RD SUITE 500, Richmond, VA 23225. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Hahn?
The number on file is (804) 320-2751. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Hahn's NPI number?
Dr. Hahn's National Provider Identifier is 1598784704. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Hahn train?
Dr. Hahn attended Columbia University College of Physicians and Surgeons, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hahn been practicing?
Dr. Hahn has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Hahn perform?
According to Medicare billing data, Dr. Hahn performs procedures including replacement of aortic valve through the skin and femoral artery, harvest of vein using an endoscope and coronary artery bypass using artery graft, 1 graft; provides treatments such as interpretation and report of ultrasound of heart, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Hahn confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hahn. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.