Active NPI
Ruoyi Jiang
- Dermatology Physician
- New Haven, CT
National Provider Identifier
1760132278
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Dermatology Physician
- License
- 83684
- Practice address
- 20 York St
New Haven, CT 06510-3220 - Phone
- (203) 688-4242
- NPI assigned
- Mar 27, 2022
- Sex
- Male
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Dermatology Physician | 207N00000X | 83684 | CT | Primary |
Addresses
Primary practice location
20 York St
New Haven, CT 06510-3220
Mailing address
55 Lock St
New Haven, CT 06511-3603
Phone (203) 432-0092
Other practice location 1
55 Lock St
New Haven, CT 06511-3603
Phone (203) 432-0092
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 83684 | CT | MD | Dermatology Physician |
Interoperability endpoints
- rjiang319098@direct.ynhh.org
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1648339200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777161600000",
"number": "1760132278",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "55 LOCK ST",
"city": "NEW HAVEN",
"state": "CT",
"postal_code": "065113603",
"telephone_number": "203-432-0092"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "20 YORK ST",
"city": "NEW HAVEN",
"state": "CT",
"postal_code": "065103220",
"telephone_number": "203-688-4242"
}
],
"practiceLocations": [
{
"address_1": "55 Lock St",
"address_purpose": "LOCATION",
"city": "New Haven",
"state": "CT",
"postal_code": "065113603",
"country_code": "US",
"telephone_number": "203-432-0092",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "JIANG",
"first_name": "RUOYI",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-03-27",
"last_updated": "2026-04-26",
"certification_date": "2026-04-26",
"status": "A"
},
"taxonomies": [
{
"code": "207N00000X",
"taxonomy_group": "",
"desc": "Dermatology",
"state": "CT",
"license": "83684",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in New Haven, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 26, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.