Active NPI
Ying-Chen Wang, LMHC
- Mental Health Counselor
- Waltham, MA
National Provider Identifier
1649183146
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Mental Health Counselor
- License
- LMHC10001281
- Practice address
- 9 Russell St Unit 4
Waltham, MA 02453-8546 - Phone
- (617) 858-6183
- NPI assigned
- Sep 24, 2026
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Mental Health Counselor | 101YM0800X | LMHC10001281 | MA | Primary |
Addresses
Primary practice location
9 Russell St Unit 4
Waltham, MA 02453-8546
Mailing address
9 Russell St Unit 4
Waltham, MA 02453-8546
Phone (617) 858-6183
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1790208000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1790208000000",
"number": "1649183146",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9 RUSSELL ST UNIT 4",
"city": "WALTHAM",
"state": "MA",
"postal_code": "024538546",
"telephone_number": "617-858-6183"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9 RUSSELL ST UNIT 4",
"city": "WALTHAM",
"state": "MA",
"postal_code": "024538546",
"telephone_number": "617-858-6183"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WANG",
"first_name": "YING-CHEN",
"credential": "LMHC",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2026-09-24",
"last_updated": "2026-09-24",
"certification_date": "2026-09-24",
"status": "A"
},
"taxonomies": [
{
"code": "101YM0800X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Counselor, Mental Health",
"state": "MA",
"license": "LMHC10001281",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Waltham, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.