DR. WILLIAM Z SUN M.D.
NPI 1043247943
Ophthalmology in Philadelphia, PA

Q: What is William Sun's NPI number?

The NPI number for William Sun is 1043247943. It was assigned to this individual provider in the NPPES registry on June 27, 2006.

Q: What is William Sun's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for William Sun was last updated on March 24, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 27, 2006PECOS EnrolledAccepts Medicare Assignment

5.93/100

CMS Quality Rating

2031 LOCUST ST, PHILADELPHIA, PA 19103(215) 564-4277(215) 563-9721 Get Directions Write a Review

NPPES record last updated: March 24, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. William Z Sun M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM Z SUN M.D. (NPI 1043247943) is an individual ophthalmology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD-020214-E) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Hahneman Medical College Of The Pacific (1976).

NPPES Registry Identity

NPI1043247943

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. WILLIAM Z SUNCredential: M.D.

Location Address2031 LOCUST STPhiladelphia, PA 19103-5611

Mailing Address2031 Locust StPhiladelphia, PA 19103-5611 · (215) 564-4277 · Fax (215) 563-9721

Phone(215) 564-4277

Fax(215) 563-9721

Sole ProprietorYes

Medical School CMSHahneman Medical College Of The PacificGraduated 1976

Enumeration DateJune 27, 2006

Last NPPES UpdateMarch 24, 2008

✔ NPI 1043247943 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in PA · MD-020214-E

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

2031 LOCUST ST, Philadelphia, PA 19103

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Other Identifiers 10

Medicare NSC0822920001PA

Other32044PA · Health/senior Partners

Medicare UPINC32167PA

Medicare NSC0822920002PA

Medicaid0810299PA

Other0053211000PA · Keystone

Other155826PA · Blue Shield

Other155826PA · Aarp

Other2353PA · Aetna

Medicare PIN155826PA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William Z Sun M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9234269127

PECOS Enrollment IDI20100621000354

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

387 services280 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

311 services166 patients

Established patient complete exam of visual system 92014

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

297 services282 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

291 services279 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

106 services104 patients

Laser repair to improve eye fluid flow 65855

Laser repair to improve eye fluid flow is a procedure aimed at treating glaucoma. A laser is used to create a small hole in the eye's drainage system, allowing fluid to flow out more easily. This helps to lower the pressure inside the eye, reducing the risk of vision loss.

47 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$137.17 typical visit price

range $59.88 – $180.99

Typical copayment $34.29 (range $14.97 – $45.24)

Most-billed visit code 99204

Established Patient

$74.47 typical visit price

range $19.30 – $147.29

Typical copayment $18.61 (range $4.82 – $36.82)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

5.93/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

Improvement Activities

Cost

19.78

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CRAIG LICHTMAN M.D.

Psychiatry & Neurology (Psychiatry)

2031 LOCUST ST, LOBBY WEST
PHILADELPHIA, PA 19103

Philadelphia County (215) 567-7336

WILLIAM Z. SUN,MD

Eyewear Supplier

2031 LOCUST ST
PHILADELPHIA, PA 19103

Philadelphia County (215) 564-4277

DR. PHILLIP MICHAEL ORLANDO D.O.

Psychiatry & Neurology (Psychiatry)

2031 LOCUST ST
PHILADELPHIA, PA 19103

Philadelphia County (267) 244-1760

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Sun's NPI number?

The NPI number for William Sun is 1043247943. It was assigned to this individual provider in the NPPES registry on June 27, 2006.

Where is William Sun located?

William Sun practices at 2031 Locust St, Philadelphia, PA 19103. The listed phone number is (215) 564-4277.

What is William Sun's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is William Sun enrolled in Medicare?

Yes. William Sun is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Sun accept?

Health plans from BlueCross BlueShield of Tennessee and Providence Health Plan list William Sun as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Sun was last updated on March 24, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.