Active NPI
Cindy Siyang Zhao
- Ophthalmology Physician
- Philadelphia, PA
National Provider Identifier
1063157725
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Ophthalmology Physician
- License
- MD494048
- Practice address
- 840 Walnut St Ste 1020
Philadelphia, PA 19107-5180 - Phone
- (800) 331-6634
- NPI assigned
- Apr 28, 2022
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Ophthalmology Physician | 207W00000X | MD494048 | PA | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X |
Addresses
Primary practice location
840 Walnut St Ste 1020
Philadelphia, PA 19107-5180
Mailing address
840 Walnut St Ste 1020
Philadelphia, PA 19107-5180
Phone (800) 331-6634
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | czhao@midatlret.intellechartdirect.net | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20260513002815 | PA | Practitioner - Ophthalmology | 1052880614 |
Care Compare profile
Medicare Care Compare- Specialty
- Ophthalmology
- Education
- Perelman School of Med at the University of Pennsylvania, 2022
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
840 Walnut St
Philadelphia, PA 19107-5109
Phone (800) 331-6634
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD494048 | PA | MD | Ophthalmology Physician |
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Ophthalmology Physician
- Plymouth Meeting, PA
- NPI 1659326452
-
- Ophthalmology Physician
- Philadelphia, PA
- NPI 1184624009
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- San Jose, CA
- NPI 1063406551
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1651104000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1785888000000",
"number": "1063157725",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "840 WALNUT ST STE 1020",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191075180",
"telephone_number": "800-331-6634"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "840 WALNUT ST STE 1020",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191075180",
"telephone_number": "800-331-6634"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ZHAO",
"first_name": "CINDY",
"middle_name": "SIYANG",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2022-04-28",
"last_updated": "2026-08-05",
"certification_date": "2026-08-05",
"status": "A"
},
"taxonomies": [
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "PA",
"license": "MD494048",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "czhao@midatlret.intellechartdirect.net",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "840 Walnut St Ste 1020",
"city": "Philadelphia",
"state": "PA",
"country_code": "US",
"postal_code": "191075180",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Philadelphia, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.