Active NPI
Justin Zhu
- Physician Assistant
- Danbury, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 5517
- Practice address
- 24 Hospital Ave
Danbury, CT 06810-6099 - Phone
- (203) 739-7000
- NPI assigned
- Nov 3, 2021
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 5517 | CT | Primary |
Addresses
Primary practice location
24 Hospital Ave
Danbury, CT 06810-6099
Mailing address
PO Box 23687
New York, NY 10087-3687
Phone (860) 322-2222
Other practice location 1
40 Dale Rd Ste 100
Avon, CT 06001-3692
Phone (860) 322-2222
Other practice location 2
30 Knotter Drive
Suite 2
Southington, CT 06489
Phone (860) 400-2000
Other practice location 3
499 Farmington Ave Ste 230
Farmington, CT 06032-1933
Phone (860) 400-2000
Other practice location 4
1 Northwestern Dr Ste 301
Bloomfield, CT 06002-3400
Phone (860) 400-2000
Other practice location 5
340 Buckland Rd Fl 2
South Windsor, CT 06074-3725
Phone (860) 322-2222
Other practice location 6
493 Heritage Rd Ste 5C-1
Southbury, CT 06488-3879
Phone (203) 264-3990
Other practice location 7
1 Willowbrook Rd Ste 2
Cromwell, CT 06416-1745
Phone (860) 322-2222
Other names 1
- Justin Zhu
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- State University of New York Downstate Medical Center, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1 Willowbrook Rd
Suite 2
Cromwell, CT 06416-1745
Phone (860) 322-2222
340 Buckland Rd
FL 2
South Windsor, CT 06074-3725
Phone (860) 322-2222
40 Dale Rd
Suite 100
Avon, CT 06001-3692
Phone (860) 322-2222
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
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.
-
- Dermatology Physician
- Cromwell, CT
- NPI 1407313984
-
- Dermatology Physician
- Waterbury, CT
- NPI 1588136220
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1635897600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1751328000000",
"number": "1689339871",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 23687",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100873687",
"telephone_number": "860-322-2222"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "24 HOSPITAL AVE",
"city": "DANBURY",
"state": "CT",
"postal_code": "068106099",
"telephone_number": "203-739-7000"
}
],
"practiceLocations": [
{
"address_1": "40 Dale Rd Ste 100",
"address_purpose": "LOCATION",
"city": "Avon",
"state": "CT",
"postal_code": "060013692",
"country_code": "US",
"telephone_number": "860-322-2222",
"fax_number": "860-322-6838",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "30 Knotter Drive",
"address_2": "Suite 2",
"address_purpose": "LOCATION",
"city": "Southington",
"state": "CT",
"postal_code": "06489",
"country_code": "US",
"telephone_number": "860-400-2000",
"fax_number": "860-400-3000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "499 Farmington Ave Ste 230",
"address_purpose": "LOCATION",
"city": "Farmington",
"state": "CT",
"postal_code": "060321933",
"country_code": "US",
"telephone_number": "860-400-2000",
"fax_number": "860-400-3000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1 Northwestern Dr Ste 301",
"address_purpose": "LOCATION",
"city": "Bloomfield",
"state": "CT",
"postal_code": "060023400",
"country_code": "US",
"telephone_number": "860-400-2000",
"fax_number": "860-400-3000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "340 Buckland Rd Fl 2",
"address_purpose": "LOCATION",
"city": "South Windsor",
"state": "CT",
"postal_code": "060743725",
"country_code": "US",
"telephone_number": "860-322-2222",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "493 Heritage Rd Ste 5C-1",
"address_purpose": "LOCATION",
"city": "Southbury",
"state": "CT",
"postal_code": "064883879",
"country_code": "US",
"telephone_number": "203-264-3990",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1 Willowbrook Rd Ste 2",
"address_purpose": "LOCATION",
"city": "Cromwell",
"state": "CT",
"postal_code": "064161745",
"country_code": "US",
"telephone_number": "860-322-2222",
"fax_number": "860-322-6838",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ZHU",
"first_name": "JUSTIN",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2021-11-03",
"last_updated": "2025-07-01",
"certification_date": "2025-06-11",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "CT",
"license": "5517",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "JUSTIN",
"last_name": "ZHU",
"credential": "PA-C",
"code": "2",
"type": "Professional Name"
}
]
}
Other providers in Danbury, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 1, 2025; 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.