Active NPI
Yuehjien R Gu, M.D.
- Neurocritical Care Physician
- Stony Brook, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neurocritical Care Physician
- License
- 266560
- Practice address
- Department of Neurological Surgery
New York Spine and Brain Surgery HSC T12 RM 080
Stony Brook, NY 11794 - Phone
- (631) 444-1116
- Fax
- (631) 444-1535
- NPI assigned
- Jan 16, 2008
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Neurocritical Care Physician | 2084A2900X | 266560 | NY | Primary |
| Neurocritical Care Physician | 2084A2900X | MD433304 | PA | |
| Neurology Physician | 2084N0400X | 266560 | NY |
Addresses
Primary practice location
Department of Neurological Surgery
New York Spine and Brain Surgery HSC T12 RM 080
Stony Brook, NY 11794
Mailing address
Department of Neurological Surgery
New York Spine and Brain Surgery HSC T12 RM 080
Stony Brook, NY 11794-8122
Phone (631) 444-3689
Other names 1
- Yuejie Gu
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | Yuehjien.gu@direct.stonybrookmedicine.edu |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NY
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Neurology
- Education
- Other, 1987
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
100 Nicolls Rd
Stony Brook, NY 11794-8122
Phone (631) 444-1213
Hospital & facility affiliations
- Suny/Stony Brook University Hospital
- Long Island Community Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD433304 | PA | MD | Neurocritical Care Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Kaleida Health | Current | Accepting new patients | |
| Kaleida Health | Current | Accepting new patients | |
| University Neurology, Inc. | Neurology | Current | Accepting new patients |
| Kaleida Health | Current | Accepting new patients | |
| New York Spine & Brain Surgery, University Faculty Practice Corporatio | Current | Accepting new patients |
Locations
900 Hertel Ave
Buffalo, NY 14216
Phone (716) 871-1571
665 Elm St
Buffalo, NY 14203
Phone (716) 845-5970
100 Nicolls Rd
Stony Brook, NY 11794
Phone (631) 444-1560
Networks
- Healthfirst Medicare Network H3359
- Healthfirst Medicare Network H1722
- Healthfirst Medicare Network H5989
- Healthfirst Medicare Network H9678
Interoperability endpoints
- yuehjien.gu@direct.stonybrookmedicine.edu
Organizations & group practices 5
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.
-
- Neurological Surgery Physician
- Stony Brook, NY
- NPI 1154376309
-
- General Acute Care Hospital
- Buffalo, NY
- NPI 1639209596
-
- Neurology Physician
- Buffalo, NY
- NPI 1649293820
-
- General Acute Care Hospital
- Buffalo, NY
- NPI 1366473183
-
- Community/Retail Pharmacy
- Buffalo, NY
- NPI 1992540546
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Patchogue, NY
- NPI 1013724061
Hospital
-
- General Acute Care Hospital
- Patchogue, NY
- NPI 1831910355
-
- General Acute Care Hospital
- Southampton, NY
- NPI 1033224704
-
- General Acute Care Hospital
- Southampton, NY
- NPI 1225507114
-
- General Acute Care Hospital
- Greenport, NY
- NPI 1881690691
-
- General Acute Care Hospital
- Stony Brook, NY
- NPI 1972523348
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1200441600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776729600000",
"number": "1902082209",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "DEPARTMENT OF NEUROLOGICAL SURGERY",
"address_2": "NEW YORK SPINE AND BRAIN SURGERY HSC T12 RM 080",
"city": "STONY BROOK",
"state": "NY",
"postal_code": "117948122",
"telephone_number": "631-444-3689",
"fax_number": "631-444-1535"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "DEPARTMENT OF NEUROLOGICAL SURGERY",
"address_2": "NEW YORK SPINE AND BRAIN SURGERY HSC T12 RM 080",
"city": "STONY BROOK",
"state": "NY",
"postal_code": "11794",
"telephone_number": "631-444-1116",
"fax_number": "631-444-1535"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GU",
"first_name": "YUEHJIEN",
"middle_name": "R",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2008-01-16",
"last_updated": "2026-04-21",
"certification_date": "2026-04-21",
"status": "A"
},
"taxonomies": [
{
"code": "2084A2900X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Neurocritical Care",
"state": "NY",
"license": "266560",
"primary": true
},
{
"code": "2084A2900X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Neurocritical Care",
"state": "PA",
"license": "MD433304",
"primary": false
},
{
"code": "2084N0400X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Neurology",
"state": "NY",
"license": "266560",
"primary": false
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "Yuehjien.gu@direct.stonybrookmedicine.edu",
"affiliation": "N",
"address_1": "Department Of Neurological Surgery",
"address_2": "New York Spine and Brain Surgery HSC T12 Rm 080",
"city": "Stony Brook",
"state": "NY",
"country_code": "US",
"postal_code": "11794",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": [
{
"first_name": "YUEJIE",
"last_name": "GU",
"credential": "M.D",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Stony Brook, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 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.