Benjamin Chun, MD
NPI 1699747956 · Ophthalmology Physician · Pittsburgh, PA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1699747956
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 101052051 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,631 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 402 | $128 |
| Exam of Visual Field With Extended Testing92083 | 175 | $66 |
| Exam of the Internal Drainage System of Eye92020 | 172 | $28 |
| Established Patient Problem Focused Exam of Visual System92012 | 171 | $91 |
| Photography of the Retina92250 | 170 | $36 |
| Imaging of Optic Nerve92133 | 149 | $37 |
| Imaging of Retina92134 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bimatoprostbrand: Lumigan | 807 | 190 |
| Prednisolone Acetate | 736 | 462 |
| Latanoprost | 428 | 92 |
| Brimonidine Tartrate | 408 | 102 |
| Brimonidine Tartratebrand: Alphagan P | 287 | 79 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 272 | 59 |
| Cyclosporinebrand: Restasis | 243 | 85 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,015 across 49 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 8381 Old Courthouse Rd Ste 345Vienna, VA 22182-4103Phone: (703) 853-1966
Registry dates
- Enumerated
- 2006-02-02
- Last updated
- 2026-03-27
- Certified
- 2026-03-27
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.