Active NPI
Tianchi Tu, DMD
- General Practice Dentistry
- Holyoke, MA
National Provider Identifier
1891251559
On this page
Key facts
NPPES NPI Registry- Primary specialty
- General Practice Dentistry
- License
- DN1858565
- Practice address
- 217 South St
Holyoke, MA 01040-3611 - Phone
- (413) 338-8672
- NPI assigned
- Feb 18, 2019
- Last updated
- Sep 19, 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 |
|---|---|---|---|---|
| Dentist | 122300000X | DN1858565 | MA | |
| General Practice Dentistry | 1223G0001X | DN1858565 | MA | Primary |
Addresses
Primary practice location
217 South St
Holyoke, MA 01040-3611
Mailing address
1201 Broadway
Square One Mall
Saugus, MA 01906
Phone (781) 558-5092
Other practice location 1
1096 Revere Beach Pkwy
Chelsea, MA 02150-1454
Phone (617) 336-8587
Other practice location 2
1201 Broadway
Square One Mall
Saugus, MA 01906
Phone (781) 558-5092
Other practice location 3
933 Pleasant St Ste 102-103
Fall River, MA 02723-1000
Phone (508) 673-3044
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| DN1858565 | MA | MD | General Practice Dentistry |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1550448000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1758240000000",
"number": "1891251559",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1201 BROADWAY",
"address_2": "SQUARE ONE MALL",
"city": "SAUGUS",
"state": "MA",
"postal_code": "01906",
"telephone_number": "781-558-5092"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "217 SOUTH ST",
"city": "HOLYOKE",
"state": "MA",
"postal_code": "010403611",
"telephone_number": "413-338-8672"
}
],
"practiceLocations": [
{
"address_1": "1096 Revere Beach Pkwy",
"address_purpose": "LOCATION",
"city": "Chelsea",
"state": "MA",
"postal_code": "021501454",
"country_code": "US",
"telephone_number": "617-336-8587",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1201 Broadway",
"address_2": "Square One Mall",
"address_purpose": "LOCATION",
"city": "Saugus",
"state": "MA",
"postal_code": "01906",
"country_code": "US",
"telephone_number": "781-558-5092",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "933 Pleasant St Ste 102-103",
"address_purpose": "LOCATION",
"city": "Fall River",
"state": "MA",
"postal_code": "027231000",
"country_code": "US",
"telephone_number": "508-673-3044",
"fax_number": "508-673-4396",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "TU",
"first_name": "TIANCHI",
"name_prefix": "Dr.",
"credential": "DMD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-02-18",
"last_updated": "2025-09-19",
"certification_date": "2025-09-19",
"status": "A"
},
"taxonomies": [
{
"code": "122300000X",
"taxonomy_group": "",
"desc": "Dentist",
"state": "MA",
"license": "DN1858565",
"primary": false
},
{
"code": "1223G0001X",
"taxonomy_group": "",
"desc": "Dentist, General Practice",
"state": "MA",
"license": "DN1858565",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Holyoke, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.