Active NPI
Alexander C Chan, M.D.
- Internal Medicine Physician
- New York, NY
National Provider Identifier
1568427243
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 239025
- Practice address
- 13-17 Elizabeth Street
RM 409
New York, NY 10013-4903 - Phone
- (212) 334-3999
- NPI assigned
- Apr 18, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 239025 | NY | Primary |
Addresses
Primary practice location
13-17 Elizabeth Street
RM 409
New York, NY 10013-4903
Mailing address
13-17 Elizabeth Street
RM 409
New York, NY 10013-4903
Phone (212) 334-3999
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 02749439 | Medicaid | NY |
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
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20060519000142 | NY | Practitioner - Internal Medicine | 4688685027 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Icahn School of Medicine at Mount Sinai, 2004
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
Practice addresses (Care Compare)
13 -17 Elizabeth St
Suite 510
New York, NY 10013-4803
Phone (212) 334-3999
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles (1 of 5)
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Alexander Chan, M.D., P.C. | Internal Medicine | Current | Accepting new patients |
Networks
- Healthfirst Medicare Network H3359
- Healthfirst Medicare Network H5989
- Healthfirst Medicare Network H9678
- Healthfirst Medicare Network H1722
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.
-
- Internal Medicine Physician
- New York, NY
- NPI 1245401223
Internal Medicine, NY
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1145318400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1768176000000",
"number": "1568427243",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "13-17 ELIZABETH STREET",
"address_2": "RM 409",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100134903",
"telephone_number": "212-334-3999"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "13-17 ELIZABETH STREET",
"address_2": "RM 409",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100134903",
"telephone_number": "212-334-3999"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CHAN",
"first_name": "ALEXANDER",
"middle_name": "C",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-04-18",
"last_updated": "2026-01-12",
"certification_date": "2026-01-12",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NY",
"license": "239025",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "02749439",
"state": "NY"
}
],
"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 Jan 12, 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.