Doctor profile · Federal record
Dr. Dal Chun, MD
Retina Specialist (Ophthalmology) Physician (CMS: Ophthalmology) · Ophthalmology Physician · Ophthalmology Physician · Ophthalmology Physician · Retina Specialist (Ophthalmology) Physician · Vienna, VA
- NPI 1578587135
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 26 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8219 Leesburg Pike, #120
Vienna, VA 221822625
(703) 564-4300
fax (703) 206-7238 - Mailing address
-
7501 Greenway Center Dr, #300
Greenbelt, MD 207703514
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- April 9, 2019
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207WX0107X — NUCC code
- State licenses (3)
- Virginia #0101232470 · Massachusetts #220610 · Maryland #D73940
- Medicaid (3)
- MD #334430400 · DC #041273800 · VA #1578587135
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578587135. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
40,580
Distinct HCPCS
10
Medicare allowed
$3,265,456
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J2777 |
Injection, faricimab-svoa, 0.1 mg | 28,200 | 66 | $37 | |
92134 |
Imaging of retina | 3,061 | 1,215 | $47 | |
92014 |
Established patient complete exam of visual system | 3,006 | 1,164 | $146 | |
92201 |
Extended exam of the back part of the eye with retinal drawing | 1,881 | 1,166 | $28 | |
67028 |
Injection of drug into eye | 1,360 | 214 | $130 | |
J0178 |
Injection, aflibercept, 1 mg | 1,304 | 155 | $870 | |
92202 |
Extended exam of the back part of the eye with optic nerve drawing | 1,011 | 287 | $18 | |
92235 |
Exam of retinal blood vessels using a special camera after injection of a dye | 217 | 210 | $164 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 127 | 127 | $190 | |
J7312 |
Injection, dexamethasone, intravitreal implant, 0.1 mg | 112 | 11 | $198 |
In context: peer comparison
Among 1 peers in Vienna Retina Specialist (Ophthalmology) Physician, average services per provider: 2,254. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$552
Transactions
17
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Astellas Pharma US INC | 5 | $217.73 | |
| Abbvie INC. | 5 | $118.00 | |
| Genentech USA, INC. | 3 | $90.09 | |
| Regeneron Healthcare Solutions, INC. | 2 | $66.87 | |
| Apellis Pharmaceuticals, INC. | 1 | $33.53 | |
| Regeneron Pharmaceuticals, INC. | 1 | $25.68 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
240
Patients
98
Total drug cost
$10,692
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisolone Acetate | Generic | 78 | 40 | $4,672 |
| Ketorolac Tromethamine | Generic | 70 | 23 | $2,520 |
| Ofloxacin | Generic | 28 | 24 | $575 |
| Brimonidine Tartrate | Generic | 23 | 11 | $1,903 |
| Latanoprost | Generic | 21 | 0 | $425 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 20 | 0 | $598 |
Frequently asked questions
What is Dr. Dal Chun's medical specialty?
Dr. Dal Chun practices Retina Specialist (Ophthalmology) Physician in Vienna, VA.
Where does Dr. Dal Chun practice?
Dr. Dal Chun practices at 8219 Leesburg Pike, Vienna, VA 221822625. Office phone: 7035644300.
What is Dr. Dal Chun's NPI?
Dr. Dal Chun's National Provider Identifier (NPI) is 1578587135, issued by NPPES.
Does Dr. Dal Chun accept Medicare assignment?
Yes. Dr. Dal Chun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dal Chun commonly perform?
Top Medicare-reported procedures in 2023: Injection, faricimab-svoa, 0.1 mg (HCPCS J2777); Imaging of retina (HCPCS 92134); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.