Han-Jong Koh, MD
Internal Medicine Physician · Leesburg, VA
Han-Jong Koh, MD is an internal medicine physician with a practice address in Leesburg, Virginia, and NPI 1619962263, issued on Sep 20, 2005. Check the license (Virginia 0101051485, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Han-Jong Koh
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0101051485 VA
Self-reported in NPPES; status is on the state search - Practice location
- 224D Cornwall St NW, Leesburg, VA 20176
- Phone
- (703) 737-7622
- Enumerated
- Sep 20, 2005
- Record last updated
- Apr 25, 2024
- Fax
- (703) 737-7943
- Medicare enrollment
- Enrolled (PECOS I20110118000502); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,599 in Virginia → Look up another NPI →
Also registered at 224D Cornwall St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Robert Hetzel, MDFamily Medicine Physician1811980329
- Joan Kennedy, P.T.Physical Therapist1972621068
- William Knudson, DPMFoot & Ankle Surgery Podiatrist1083608814
Verify Han-Jong Koh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101051485Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average internal medicine physician in 2024
3,820 Medicare Part D claims for 269 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 79 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium314 claims
- Levothyroxine Sodium183 claims
- Amlodipine Besylate95 claims
- Trazodone Hcl80 claims
- Ezetimibe78 claims
- Tamsulosin Hcl70 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.
The MIPS final score for 2023 (Medicare payment program): 96 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $23.36
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Han-Jong Koh among 3,599 internal medicine physician records in Virginia
Han-Jong Koh, MD is one of 3,599 internal medicine physician records with a practice address in Virginia. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1990 · median 2003 among the 2,234 with a school on file
- Record last updated2024 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
47 internal medicine physician records list a practice address in Leesburg
They are 47 of the 1,759 NPPES records with a practice address in Leesburg, and 3,599 internal medicine physician records in Virginia.
All 3,599 in Virginia → Every provider in Leesburg → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Bethel Alemayehu, MDLeesburg, VA 201761255328910
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- Sandhya Chanda, MDLeesburg, VA 201761043219710
- Sarfraz Choudhary, MDLeesburg, VA 201761619960242
- John Cook, MDLeesburg, VA 201761811981897
- Richard Kim, MDLeesburg, VA 201761902890981
- Martin Korkowski, MDLeesburg, VA 201761801880752
- Geetha Pillai, MDLeesburg, VA 201761356335301
Common questions
What is Han-Jong Koh, MD's NPI number?
Han-Jong Koh, MD's National Provider Identifier (NPI) is 1619962263, issued on Sep 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Han-Jong Koh, MD located?
The NPPES record lists a practice address at 224D Cornwall St NW, Leesburg, VA, 20176. Phone: (703) 737-7622. Providers update this record themselves, so call before visiting.
How can I verify Han-Jong Koh, MD's license?
NPPES lists Virginia license number 0101051485, 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 Han-Jong Koh, MD prescribe under Medicare Part D?
In 2024, Han-Jong Koh, MD had 3,820 Medicare Part D claims for 269 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Han-Jong Koh, MD's MIPS final score?
The 2023 MIPS final score is 96 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.
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.