Sungjun Hwang, M.D.
NPI 1255334132 · Ophthalmology Physician · Canandaigua, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sungjun Hwang, M.D. is a Ophthalmology Physician provider in Canandaigua, NY (NPI 1255334132).
Provider details
- NPI number
- 1255334132
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 202483 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,639 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) |
|---|---|---|
| Measurement of Corneal Curvature and Depth of Eye92136 | 254 | $38 |
| Established Patient Complete Exam of Visual System92014 | 157 | $118 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 135 | $157 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 134 | $86 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 121 | $465 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 1,332 | 709 |
| Ketorolac Tromethamine | 988 | 598 |
| Latanoprost | 964 | 248 |
| Ciprofloxacin Hcl | 634 | 572 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 309 | 90 |
| Brimonidine Tartrate | 259 | 70 |
| Dorzolamide Hcl | 172 | 53 |
| Timolol Maleate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$327 across 14 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 (3)
- 784 Pre Emption RdGeneva, NY 14456-2092Phone: (585) 394-2020Fax: (585) 394-9261
- 1025 Brixton DrMacedon, NY 14502-8831Phone: (585) 394-2020Fax: (585) 394-9261
- 1210 Driving Park AveNewark, NY 14513-1057Phone: (585) 394-2020Fax: (585) 394-9261
Registry dates
- Enumerated
- 2005-05-24
- Last updated
- 2023-06-06
- Certified
- 2023-06-06
Frequently asked questions
- What is Sungjun Hwang's NPI number?
- Sungjun Hwang's National Provider Identifier (NPI) is 1255334132, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sungjun Hwang's specialty?
- Sungjun Hwang is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Sungjun Hwang located?
- Sungjun Hwang's practice location on file with NPPES is 325 West St, Canandaigua, NY 14424-1723.
- What is Sungjun Hwang's phone number?
- The practice phone number listed in the NPPES registry for Sungjun Hwang is (585) 394-2020.
- Does Sungjun Hwang accept Medicare?
- Sungjun Hwang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sungjun Hwang's NPI active?
- Yes — Sungjun Hwang's NPI (1255334132) is active in the NPPES registry as of the last update on 2023-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.