Active NPI
Caleb Jaesung Yoo
- Physician Assistant
- New York, NY
National Provider Identifier
1003705443
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- Practice address
- 523 E 72ND St FL 5
New York, NY 10021-4099 - Phone
- (646) 797-8305
- NPI assigned
- Jul 1, 2025
- 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 | NY | Primary |
Addresses
Primary practice location
523 E 72ND St FL 5
New York, NY 10021-4099
Mailing address
5520 Lorna St
Torrance, CA 90503-4070
Phone (310) 995-8554
Other practice location 1
535 E 70th St
New York, NY 10021-4823
Phone (646) 797-8305
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Physician Assistant
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Scott Jacob Ellis MD PLLC | Current | Accepting new patients |
Locations
523 E 72nd St
Fl 5
New York, NY 10021
Phone (212) 606-1579
Organizations & group practices 1
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.
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NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1751328000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1751328000000",
"number": "1003705443",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5520 LORNA ST",
"city": "TORRANCE",
"state": "CA",
"postal_code": "905034070",
"telephone_number": "310-995-8554"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "523 E 72ND ST FL 5",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100214099",
"telephone_number": "646-797-8305"
}
],
"practiceLocations": [
{
"address_1": "535 E 70th St",
"address_purpose": "LOCATION",
"city": "New York",
"state": "NY",
"postal_code": "100214823",
"country_code": "US",
"telephone_number": "646-797-8305",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "YOO",
"first_name": "CALEB",
"middle_name": "JAESUNG",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2025-07-01",
"last_updated": "2025-07-01",
"certification_date": "2025-06-24",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "NY",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in New York, NY
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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.