Samuel Yun, M.D.
NPI 1790071694 · Retina Specialist (Ophthalmology) Physician · Fairfax, VA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Yun, M.D. is a Retina Specialist (Ophthalmology) Physician provider in Fairfax, VA (NPI 1790071694).
Provider details
- NPI number
- 1790071694
- Entity type
- Individual
- Primary specialty
- Retina Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101261451 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,153 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Imaging of Retina92134 | 565 | $45 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 431 | $100 |
| Established Patient Complete Exam of Visual System92014 | 413 | $140 |
| Exam of Visual Field With Extended Testing92083 | 241 | $71 |
| Injection of Drug Into Eye67028 | 124 | $131 |
| New Patient Complete Exam of Visual System92004 | 110 | $166 |
| Removal of Cataract With Insertion of Prosthetic Lens |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cyclosporinebrand: Restasis | 450 | 151 |
| Latanoprost | 435 | 133 |
| Prednisolone Acetate | 275 | 171 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 247 | 223 |
| Timolol Maleate | 197 | 64 |
| Brimonidine Tartrate | 191 | 62 |
| Erythromycin Basebrand: Erythromycin | 189 | 107 |
Practice location
Mailing address
Additional practice locations (1)
- 3959 Pender Dr Ste 260Fairfax, VA 22030-6041Phone: (703) 364-5400
Registry dates
- Enumerated
- 2011-06-20
- Last updated
- 2026-02-23
- Certified
- 2026-02-23
Frequently asked questions
- What is Samuel Yun's NPI number?
- Samuel Yun's National Provider Identifier (NPI) is 1790071694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Yun's specialty?
- Samuel Yun is listed in the NPPES registry with a primary specialty of Retina Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Yun located?
- Samuel Yun's practice location on file with NPPES is 3930 Pender Dr Ste 215, Fairfax, VA 22030-0992.
- What is Samuel Yun's phone number?
- The practice phone number listed in the NPPES registry for Samuel Yun is (703) 364-5400.
- Does Samuel Yun accept Medicare?
- Samuel Yun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Yun's NPI active?
- Yes — Samuel Yun's NPI (1790071694) is active in the NPPES registry as of the last update on 2026-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.