Are you William Z. Sun, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 2031 Locust St, Philadelphia, PA 19103
About Dr. Sun
Based in Philadelphia, PA, William Z. Sun, M.D. is listed in the NPI registry under ophthalmology. William graduated from Hahneman Medical College of the Pacific in 1976. Medicare claims data shows William provided 1,650 services to 1,330 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient complete exam of visual system. NPI 1043247943 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (215) 564-4277
- Email not available
Practice Locations
2031 LOCUST ST
Philadelphia, PA 19103
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
1,650 services · 1,330 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Laser repair to improve eye fluid flow | Procedure | 65855 |
47 | More often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
34 | As often as other peers in Ophthalmology |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
23 | Less often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
297 | As often as other peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
291 | More often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
106 | As often as other peers in Ophthalmology |
| Exam of the internal drainage system of eye | Treatment | 92020 |
46 | As often as other peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
31 | Less often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
16 | Less often than most peers in Ophthalmology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
387 | More often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other eye doctors in Philadelphia 8
Same specialty, same city.
Trained at Hahneman Medical College of the Pacific 6
Other providers in the same specialty who trained at the same institution.
More connections — 10 related providers in 2 groups
Class of 1976 at Hahneman Medical College of the Pacific 2
Providers who graduated from the same medical school in the same year.
Also performs Laser repair to improve eye fluid flow 8
Providers in PA who bill this service to Medicare most often.
Common questions
What does William Z. Sun specialize in?
William Z. Sun is an eye doctor in Philadelphia, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is William Z. Sun located?
William Z. Sun is listed at 2031 Locust St, Philadelphia, PA 19103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is William Z. Sun's phone number?
The number on file is (215) 564-4277. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for William Z. Sun?
William Z. Sun's National Provider Identifier is 1043247943. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did William Z. Sun train?
William Z. Sun attended Hahneman Medical College of the Pacific, graduating in 1976. This comes from the CMS National Downloadable File.
CMS public data
How much experience does William Z. Sun have?
William Z. Sun has 50 years experience. Calculated from a graduation year of 1976, reported in the CMS National Downloadable File.
CMS public data
What does William Z. Sun do most often?
According to Medicare billing data, William Z. Sun performs procedures including laser repair to improve eye fluid flow, removal of recurring cataract in lens capsule using a laser and removal of cataract with insertion of prosthetic lens; provides treatments such as established patient complete exam of visual system and exam of visual field with extended testing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is William Z. Sun's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by William Z. Sun. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.