OrganizationActive
William Z. Sun,md
NPI 1497904759 · Eyewear Supplier · Philadelphia, PA
William Z. Sun,md is a Eyewear Supplier organization in Philadelphia, PA (NPI 1497904759).
Provider details
- NPI number
- 1497904759
- Entity type
- Organization
- Primary specialty
- Eyewear SupplierSuppliers
- Organization subpart
- No
- Authorized official
- Debra Degrazia, Office Manager(215) 564-4277
Specialties & taxonomies
Suppliers
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
2031 Locust St
Philadelphia, PA 19103-5611
Phone: (215) 564-4277
Fax: (215) 563-9721
Street-level locationGet directions
Mailing address
2031 Locust St
Philadelphia, PA 19103-5611
Registry dates
- Enumerated
- 2008-09-11
- Last updated
- 2008-09-11
Frequently asked questions
- What is William Z. Sun,md's NPI number?
- William Z. Sun,md's National Provider Identifier (NPI) is 1497904759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William Z. Sun,md?
- William Z. Sun,md is classified in the NPPES registry as Eyewear Supplier (Suppliers).
- Where is William Z. Sun,md located?
- William Z. Sun,md's practice location on file with NPPES is 2031 Locust St, Philadelphia, PA 19103-5611.
- What is William Z. Sun,md's phone number?
- The practice phone number listed in the NPPES registry for William Z. Sun,md is (215) 564-4277.
- Who is the authorized official for William Z. Sun,md?
- The authorized official listed on William Z. Sun,md's NPPES record is Debra Degrazia, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William Z. Sun,md's NPI active?
- Yes — William Z. Sun,md's NPI (1497904759) is active in the NPPES registry as of the last update on 2008-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.