NPPES file of Aug 9, 2026

Chiwon Hahn, M.D.

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

Chiwon Hahn, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Richmond, Virginia, and NPI 1598784704, issued on Jul 19, 2006. Check the license (Virginia 0101055201, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598784704
Name
Chiwon Hahn
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
0101055201 VA
Self-reported in NPPES; status is on the state search
Practice location
7101 Jahnke RD, Richmond, VA 23225
Phone
(804) 320-2751
Enumerated
Jul 19, 2006
Record last updated
Mar 7, 2023
Fax
(804) 673-9218
Medicaid IDs
1598784704 VA
7400616 VA
Medicare enrollment
Enrolled (PECOS I20090209000046); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 1987
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 133 in Virginia → Look up another NPI →

Also registered at 7101 Jahnke RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Gauri Aggarwal, MDHospitalist Physician1356471114
  2. Arif Alam, MDPediatric Critical Care Medicine Physician1245216548
  3. Ilya Aleksandrovskiy, MDEmergency Medicine Physician1073041620
  4. Kathleen Allen, ANPAdult Health Nurse Practitioner1518216167
  5. Melina Allen, NPFamily Nurse Practitioner1760176945
  6. John Ampomah, M.D.Internal Medicine Physician1275685166

Verify Chiwon Hahn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101055201    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Virginia license search

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2.6 times the Medicare Part D claims of the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

259 Medicare Part D claims for 129 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D.

  1. Chiwon Hahn259
  2. Specialty average101

Most prescribed

  1. Amoxicillin58 claims
  2. Metoprolol Tartrate56 claims
  3. Mupirocin28 claims
  4. Losartan Potassium20 claims
  5. Amlodipine Besylate18 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $571.50

7 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chiwon Hahn$571.50
  2. Specialty average$7,828.84

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Cardiac Surgical Associates LLCFredericksburg, VA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Chiwon Hahn among 133 thoracic surgery (cardiothoracic vascular surgery) physician records in Virginia

Chiwon Hahn, M.D. is one of 133 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Virginia. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.

  • NPI issued2006 · 16% of these records are older, 43% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1987 · median 1997 among the 84 with a school on file
  • Record last updated2023 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Virginia

There are 133 thoracic surgery (cardiothoracic vascular surgery) physician records in Virginia.

All 133 in Virginia → Every provider in Richmond → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. William ChancellorRichmond, VA 232251003201260
  2. Thomas Christopher, M.D.Richmond, VA 232251154343473
  3. Daniel Mulloy, MDRichmond, VA 232251205035706
  4. Richard Reynolds, M.D.Richmond, VA 232251912938127
  5. Timothy Wolfgang, M.D.Richmond, VA 232251700808029
  6. Mark Bladergroen, M.D.Richmond, VA 232261124058342
  7. Jenalee Coster, M.D.Richmond, VA 232261770859191
  8. Steven Fiser, MDRichmond, VA 232261104879733

Common questions

What is Chiwon Hahn, M.D.'s NPI number?

Chiwon Hahn, M.D.'s National Provider Identifier (NPI) is 1598784704, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chiwon Hahn, M.D. located?

The NPPES record lists a practice address at 7101 Jahnke RD, Richmond, VA, 23225. Phone: (804) 320-2751. Providers update this record themselves, so call before visiting.

How can I verify Chiwon Hahn, M.D.'s license?

NPPES lists Virginia license number 0101055201, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Chiwon Hahn, M.D. prescribe under Medicare Part D?

In 2024, Chiwon Hahn, M.D. had 259 Medicare Part D claims for 129 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.