Active NPI
Henry Kar Hang Siu, M.D.
- Interventional Cardiology Physician
- New York, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Interventional Cardiology Physician
- License
- 296712
- Practice address
- 139 Centre St Ste 307
New York, NY 10013 - Phone
- (212) 334-3507
- Fax
- (646) 365-0469
- NPI assigned
- Dec 28, 2007
- 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 8
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Cardiovascular Disease Physician | 207RC0000X | 296712 | NY | |
| Interventional Cardiology Physician | 207RI0011X | MD444073 | PA | |
| Internal Medicine Physician | 207R00000X | 296712 | NY | |
| Interventional Cardiology Physician | 207RI0011X | 296712 | NY | Primary |
| Internal Medicine Physician | 207R00000X | 048870 | CT | |
| Cardiovascular Disease Physician | 207RC0000X | MT198672 | PA | |
| Hospitalist Physician | 208M00000X | 048870 | CT | |
| Internal Medicine Physician | 207R00000X | MD444073 | PA |
Addresses
Primary practice location
139 Centre St Ste 307
New York, NY 10013
Mailing address
139 Centre St Ste 307
New York, NY 10013-4554
Phone (212) 334-3507
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 12351923245 | Other | NY | GROUP NPI |
| 13-3857638 | Other | NY | TAX ID |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NJ, NY
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Interventional Cardiology
- Education
- State University of New York Downstate Medical Center, 2007
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
130 E 77TH St
New York, NY 10075-1851
Phone (212) 434-6400
139 Centre St
Suite 307
New York, NY 10013-4554
Phone (212) 334-3507
16 Sumner PL
Brooklyn, NY 11206-4110
Phone 71895188002102
Hospital & facility affiliations
- Lenox Hill Hospital
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Coronary angioplasty and stenting | 1-10 |
| Varicose vein removal | 1-10 |
| Leg revascularization (restoring blood flow) | 23 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MT198672 | PA | MD | Cardiovascular Disease Physician |
| 048870 | CT | MD | Hospitalist Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Ahava Medical and Rehabilitation Center, LLC | Current | Accepting new patients | |
| Icahn School of Medicine at Mount Sinai | Current | Accepting new patients | |
| Icahn School of Medicine at Mount Sinai | Cardiovascular Disease | Current | Accepting new patients |
| North Shore Medical Group of the Mount Sinai School of Medicine | Internal Medicine | Current | Accepting new patients |
| North Shore-Lij Medical PC | Internal Medicine | Current | Accepting new patients |
| Chinatown Cardiology, P.C. | Cardiovascular Disease | Current | Accepting new patients |
| North Shore Medical Group of the Mount Sinai School of Medicine | Internal Medicine | Current | Accepting new patients |
Locations
16 Sumner Pl
Brooklyn, NY 11206
Phone (718) 336-9500
2555 Nostrand Ave
Brooklyn, NY 11210
Phone 7189518800108
4235 Main St
Ste 3M
Flushing, NY 11355
Phone (718) 313-2368
325 Park Ave
Huntington, NY 11743
Phone (631) 351-3700
25 Carrier St
Liberty, NY 12754
Phone (718) 755-0332
1155 Northern Blvd
Manhasset, NY 11030
Phone (516) 407-4000
139 Centre St
Ste 307
New York, NY 10013
Phone (347) 480-5287
130 E 77th St
New York, NY 10075
Phone (212) 434-2606
150 E 42nd St
Fl 10
New York, NY 10017
Phone (646) 605-8119
300 Community Dr
Plandome, NY 11030
9901 Queens Blvd
Rego Park, NY 11374
Phone (718) 268-4500
Networks
- Healthfirst Medicare Network H1722
- Healthfirst Medicare Network H5989
- Healthfirst Medicare Network H3359
- Healthfirst Medicare Network H9678
Interoperability endpoints
- hks9005@direct.nyp.org
- hsiu64536@northwell.direct-ci.com
Organizations & group practices 7
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.
-
- Rehabilitation Practitioner
- Brooklyn, NY
- NPI 1184878274
-
- Cardiovascular Disease Physician
- New York, NY
- NPI 1235192345
-
- Cardiovascular Disease Physician
- New York, NY
- NPI 1487912416
-
- Internal Medicine Physician
- Greenlawn, NY
- NPI 1275640609
-
- Eyewear Supplier
- New York, NY
- NPI 1760227466
-
- Internal Medicine Physician
- Wantagh, NY
- NPI 1992417323
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- New York, NY
- NPI 1477616571
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1198800000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782777600000",
"number": "1871777607",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "139 CENTRE ST STE 307",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100134554",
"telephone_number": "212-334-3507",
"fax_number": "646-365-0469"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "139 CENTRE ST STE 307",
"city": "NEW YORK",
"state": "NY",
"postal_code": "10013",
"telephone_number": "212-334-3507",
"fax_number": "646-365-0469"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SIU",
"first_name": "HENRY",
"middle_name": "KAR HANG",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-12-28",
"last_updated": "2026-06-30",
"certification_date": "2026-06-30",
"status": "A"
},
"taxonomies": [
{
"code": "207RC0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": "NY",
"license": "296712",
"primary": false
},
{
"code": "207RI0011X",
"taxonomy_group": "",
"desc": "Internal Medicine, Interventional Cardiology",
"state": "PA",
"license": "MD444073",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NY",
"license": "296712",
"primary": false
},
{
"code": "207RI0011X",
"taxonomy_group": "",
"desc": "Internal Medicine, Interventional Cardiology",
"state": "NY",
"license": "296712",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CT",
"license": "048870",
"primary": false
},
{
"code": "207RC0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": "PA",
"license": "MT198672",
"primary": false
},
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "CT",
"license": "048870",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "PA",
"license": "MD444073",
"primary": false
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "GROUP NPI",
"identifier": "12351923245",
"state": "NY"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "TAX ID",
"identifier": "13-3857638",
"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 Jun 30, 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.