Doctor profile · Federal record
Dr. William Sun, M.D.
Ophthalmology Physician (CMS: Ophthalmology) · Philadelphia, PA
- NPI 1043247943
- Accepts Medicare
- MIPS 5.9 / 100 · 2023
- 50 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2031 Locust St
Philadelphia, PA 191035611
(215) 564-4277
fax (215) 563-9721
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- March 24, 2008
- Year of graduation
- 1976 — 50 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- Pennsylvania #MD-020214-E
- Medicaid
- PA #0810299
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1043247943. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,644
Distinct HCPCS
10
Medicare allowed
$197,714
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 479 | 297 | $133 | |
92083 |
Exam of visual field with extended testing | 327 | 316 | $66 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 277 | 191 | $94 | |
92014 |
Established patient complete exam of visual system | 260 | 255 | $132 | |
92250 |
Photography of the retina | 112 | 111 | $36 | |
65855 |
Laser repair to improve eye fluid flow | 42 | 24 | $255 | |
92004 |
New patient complete exam of visual system | 39 | 39 | $156 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 38 | 28 | $561 | |
92136 |
Measurement of corneal curvature and depth of eye | 32 | 29 | $49 | |
66821 |
Removal of recurring cataract in lens capsule using a laser | 24 | 18 | $348 |
In context: peer comparison
Among 68 peers in this city , average services per provider: 160. This provider delivers 10× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,190
Patients
336
Total drug cost
$22,874
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 673 | 128 | $10,466 |
| Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) | Brand | 193 | 98 | $2,665 |
| Timolol Maleate | Generic | 115 | 42 | $922 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 48 | 19 | $929 |
| Brimonidine Tartrate | Generic | 47 | 13 | $4,580 |
| Prednisolone Acetate | Generic | 44 | 25 | $1,372 |
| Dorzolamide Hcl | Generic | 20 | 0 | $689 |
| Erythromycin (Erythromycin Base) | Brand | 14 | 11 | $169 |
| Acetazolamide | Generic | 13 | 0 | $410 |
| Azelastine Hcl | Generic | 12 | 0 | $609 |
Frequently asked questions
What is Dr. William Sun's medical specialty?
Dr. William Sun practices Ophthalmology Physician in Philadelphia, PA.
Where does Dr. William Sun practice?
Dr. William Sun practices at 2031 Locust St, Philadelphia, PA 191035611. Office phone: 2155644277.
What is Dr. William Sun's NPI?
Dr. William Sun's National Provider Identifier (NPI) is 1043247943, issued by NPPES.
Does Dr. William Sun accept Medicare assignment?
Yes. Dr. William Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Sun commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Exam of visual field with extended testing (HCPCS 92083); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.