Active NPI
Jonathan Young Ko, M.D.
- Anesthesiology Physician
- Newark, NJ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- 25MA07926700
- Practice address
- 185 S Orange Ave
Newark, NJ 07103-2757 - Phone
- (973) 972-5007
- NPI assigned
- Feb 15, 2006
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | 25MA07926700 | NJ | Primary |
| Anesthesiology Physician | 207L00000X | 231494-1 | NY |
Addresses
Primary practice location
185 S Orange Ave
Newark, NJ 07103-2757
Mailing address
PO Box 12023
Newark, NJ 07101-5023
Phone (212) 427-2666
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0084221 | Medicaid | NJ |
Other names 1
- Jonathan Ko
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NJ, NY, CT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology
- Education
- Other, 2001
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
255 Lafayette Ave
Suffern, NY 10901-4812
Phone (845) 357-5775
Hospital & facility affiliations
- Good Samaritan Hospital of Suffern
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 25MA07926700 | NJ | MD | Anesthesiology Physician |
| 231494-1 | NY | MD | Anesthesiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Manhattan Endoscopy Center LLC | Current | Accepting new patients | |
| Yorkville Endoscopy, LLC | Current | Accepting new patients | |
| Garden State Healthcare Associates, LLC | Current | Accepting new patients | |
| Ramapo Anesthesiologists, PC | Anesthesiology | Current | Accepting new patients |
| North American Partners in Anesthesia LLP | Anesthesiology | Current | Accepting new patients |
| North American Partners in Anesthesia Connecticut PC | Anesthesiology | Current | Accepting new patients |
| Upstate Anesthesia Services, P.C. | Anesthesiology | Current | Accepting new patients |
| New Jersey Healthcare Specialists PC | Anesthesiology | Past | Accepting new patients |
| University Nephrology Associates LLP | Past | Accepting new patients | |
| Office Based Anesthesia LLC | Anesthesiology | Past | Accepting new patients |
| Suffolk Anesthesiology Associates, PC | Anesthesiology | Past | Accepting new patients |
| United Anesthesia PC | Anesthesiology | Past | Accepting new patients |
| Morris Anesthesia Group, PA | Past | Accepting new patients | |
| Trustees of Columbia University in the City of New York | Anesthesiology | Past | Accepting new patients |
| Pinnacle Medical Group | Anesthesiology | Past | Accepting new patients |
Locations
100 Grand St
New Britain, CT 06052
Phone (860) 224-5011
50 Hospital Hill Rd
Sharon, CT 06069
Phone (860) 364-4000
308 Willow Ave
Hoboken, NJ 07030
Phone (201) 418-1574
176 Palisade Ave
Jersey City, NJ 07306
Phone (201) 795-8200
2201 Hempstead Tpke
East Meadow, NY 11554
Phone (516) 486-6862
10201 66th Rd
Forest Hills, NY 11375
Phone (718) 830-4091
775 Park Ave
Ste 115
Huntington, NY 11743
Phone (631) 659-4150
68 S Service Rd
Ste 350
Melville, NY 11747
Phone (516) 945-3107
1510 Jericho Tpke
New Hyde Park, NY 11040
Phone (516) 216-5341
535 5th Ave
Fl 5
New York, NY 10017
Phone (212) 682-2828
201 E 93rd St
New York, NY 10128
Phone (917) 281-0100
45 Reade Pl
Poughkeepsie, NY 12601
Phone (845) 331-3131
233 Lafayette Ave
Ste LL5
Suffern, NY 10901
Phone (914) 794-7741
255 Lafayette Ave
Suffern, NY 10901
Phone (845) 357-7830
Organizations & group practices 15
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.
-
- Anesthesiology Physician
- Suffern, NY
- NPI 1235151002
-
- Emergency Medicine Physician
- Bayonne, NJ
- NPI 1700014545
-
- Ambulatory Surgical Clinic/Center
- New York, NY
- NPI 1124324181
-
- Anesthesiology Physician
- New Britain, CT
- NPI 1316994775
-
- Anesthesiology Physician
- East Meadow, NY
- NPI 1629272141
-
- Ambulatory Surgical Clinic/Center
- New York, NY
- NPI 1174873780
-
- Anesthesiology Physician
- Melville, NY
- NPI 1649264706
-
- Pain Medicine (Anesthesiology) Physician
- Brick, NJ
- NPI 1477942423
-
- Anesthesiology Physician
- Hackensack, NJ
- NPI 1174585780
-
- Anesthesiology Physician
- Smithtown, NY
- NPI 1407947617
-
- Anesthesiology Physician
- Smithtown, NY
- NPI 1194826420
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Suffern, NY
- NPI 1346213469
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1139961600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783641600000",
"number": "1801860804",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 12023",
"city": "NEWARK",
"state": "NJ",
"postal_code": "071015023",
"telephone_number": "212-427-2666",
"fax_number": "212-289-6929"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "185 S ORANGE AVE",
"city": "NEWARK",
"state": "NJ",
"postal_code": "071032757",
"telephone_number": "973-972-5007"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KO",
"first_name": "JONATHAN",
"middle_name": "YOUNG",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-02-15",
"last_updated": "2026-07-10",
"certification_date": "2026-07-10",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "NJ",
"license": "25MA07926700",
"primary": true
},
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "NY",
"license": "231494-1",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0084221",
"state": "NJ"
}
],
"endpoints": [],
"other_names": [
{
"first_name": "JONATHAN",
"last_name": "KO",
"credential": "MD",
"code": "2",
"type": "Professional Name"
}
]
}
Other providers in Newark, NJ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 10, 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.