Dal Chun, MD
Retina Specialist (Ophthalmology) Physician · Vienna, VA
Dal Chun, MD is a retina specialist (ophthalmology) physician with a practice address in Vienna, Virginia, and NPI 1578587135, issued on Jul 27, 2006. Check the license (Virginia 0101232470, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Dal Chun
- Credential
- MD
- Primary taxonomy
- Retina Specialist (Ophthalmology) Physician 207WX0107X
- License numbers
- 0101232470 VA
220610 MA
D73940 MD
Self-reported in NPPES; status is on the state search - Practice location
- 8219 Leesburg Pike, Vienna, VA 22182
- Phone
- (703) 564-4300
- Enumerated
- Jul 27, 2006
- Record last updated
- Apr 9, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (703) 206-7238
- Medicaid IDs
- 334430400 MD
041273800 DC
1578587135 VA - Medicare enrollment
- Enrolled (PECOS I20120430000151); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 2000
- Entity
- Type 1 · individual
8 nearest retina specialist (ophthalmology) physician records → All 45 in Virginia → Look up another NPI →
Also registered at 8219 Leesburg Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Debora Armellini, D.D.S., MSProsthodontics1598998924
Verify Dal Chun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101232470Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024
332 Medicare Part D claims for 91 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Ketorolac Tromethamine94 claims
- Prednisolone Acetate68 claims
- Brimonidine Tartrate35 claims
- Ofloxacin28 claims
- Latanoprost19 claims
- Timolol Maleate18 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): 100 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: $551.90
17 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 1,253 providers of this specialty with any payment received $7,667.49 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.
Bills Medicare through one group practice
- The Retina Group OF Washington PLLCReston, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dal Chun among 45 retina specialist (ophthalmology) physician records in Virginia
Dal Chun, MD is one of 45 retina specialist (ophthalmology) physician records with a practice address in Virginia. 93% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 89% of these records are
- Graduated2000 · median 2005 among the 40 with a school on file
- Record last updated2019 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Retina Specialist (Ophthalmology) Physician providers in Virginia
There are 45 retina specialist (ophthalmology) physician records in Virginia.
All 45 in Virginia → Every provider in Vienna → Retina Specialist (Ophthalmology) Physician nationwide →
The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes
- Nishi Gulati, M.D.Vienna, VA 221821629203625
- Jung Woo, M.D.Vienna, VA 221821437214525
- Imran Khatri, MDWoodbridge, VA 221911336643378
- Muge Kesen, MDMc Lean, VA 221021770676017
- Gordon Byrnes, M.D.Alexandria, VA 223101295709699
- Sundeep Kasi, M.D.Alexandria, VA 223101952697773
- Reshma Katira, M.D.Alexandria, VA 223101700851607
- Michael Rivers, M.D.Alexandria, VA 223101396719332
Common questions
What is Dal Chun, MD's NPI number?
Dal Chun, MD's National Provider Identifier (NPI) is 1578587135, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dal Chun, MD located?
The NPPES record lists a practice address at 8219 Leesburg Pike, Vienna, VA, 22182. Phone: (703) 564-4300. Providers update this record themselves, so call before visiting.
How can I verify Dal Chun, MD's license?
NPPES lists Virginia license number 0101232470, 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 Dal Chun, MD prescribe under Medicare Part D?
In 2024, Dal Chun, MD had 332 Medicare Part D claims for 91 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.
What is Dal Chun, MD's MIPS final score?
The 2023 MIPS final score is 100 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.