Active NPI
James Alexander Fagin, M.D.
- Internal Medicine Physician
- New York, NY
National Provider Identifier
1932164886
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 35-068940
- Practice address
- 1275 York Ave
New York, NY 10021-6007 - Phone
- (646) 888-2136
- NPI assigned
- Apr 20, 2006
- Last updated
- Sep 11, 2025
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 35-068940 | OH | Primary |
| Endocrinology, Diabetes & Metabolism Physician | 207RE0101X | 35-068940 | OH |
Addresses
Primary practice location
1275 York Ave
New York, NY 10021-6007
Mailing address
633 3Rd Ave
Box 3
New York, NY 10017-6706
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0172576 | Medicaid | OH | |
| 64951064 | Medicaid | KY |
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
- Endocrinology
- Education
- Other, 1973
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
1275 York Ave
New York, NY 10065-6007
Phone (212) 639-2000
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 88.48 of 100
- Quality
- 79.07
- Improvement activities
- 40
- Cost
- 72.84
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 35-068940 | OH | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Memorial Endocrine Group | Endocrinology, Diabetes & Metabolism | Current | Accepting new patients |
| University Internal Medicine Associates, Inc. | Internal Medicine | Past | Accepting new patients |
Locations
1275 York Ave
New York, NY 10065
Phone (212) 639-3813
633 3rd Ave
Lbby 3
New York, NY 10017
Phone (848) 225-6000
Networks
- Healthfirst Medicare Network H5989
- Healthfirst Medicare Network H1722
- Healthfirst Medicare Network H9678
- Healthfirst Medicare Network H3359
Interoperability endpoints
- jfagin36637@mskcc.direct-ci.com
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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Endocrinology, Diabetes & Metabolism Physician
- New York, NY
- NPI 1558332023
-
- Internal Medicine Physician
- Cincinnati, OH
- NPI 1588620850
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- New York, NY
- NPI 1700887411
-
- Special Hospital
- New York, NY
- NPI 1770046351
-
- General Acute Care Hospital
- Basking Ridge, NJ
- NPI 1659385474
-
- General Acute Care Hospital
- Montvale, NJ
- NPI 1841650330
-
- General Acute Care Hospital
- Middletown, NJ
- NPI 1528428521
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1145491200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1932164886",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "633 3RD AVE",
"address_2": "BOX 3",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100176706"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1275 YORK AVE",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100216007",
"telephone_number": "646-888-2136"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FAGIN",
"first_name": "JAMES",
"middle_name": "ALEXANDER",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-04-20",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "OH",
"license": "35-068940",
"primary": true
},
{
"code": "207RE0101X",
"taxonomy_group": "",
"desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
"state": "OH",
"license": "35-068940",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0172576",
"state": "OH"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "64951064",
"state": "KY"
}
],
"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 Sep 11, 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.