Active NPI
John H Halbrook, ED.D., LCSW, MFT
- Marriage & Family Therapist
- New York, NY
National Provider Identifier
1710029210
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Marriage & Family Therapist
- License
- 000035
- Practice address
- 410 W 40TH St
New York, NY 10018-1204 - Phone
- (212) 358-1317
- Fax
- (203) 762-3106
- NPI assigned
- Feb 12, 2007
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | R047940 | NY | |
| Clinical Social Worker | 1041C0700X | 004362 | CT | |
| Marriage & Family Therapist | 106H00000X | 000546 | CT | |
| Marriage & Family Therapist | 106H00000X | 000035 | NY | Primary |
Addresses
Primary practice location
410 W 40TH St
New York, NY 10018-1204
Mailing address
17 Friendlee LN
Wilton, CT 06897-3109
Phone (203) 762-3106
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 10743237 | Other | NY | CAQH ID # FOR CREDENTIAL |
| P2542770 | Other | NY | OXFORD INS. PROVIDER NO. |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective Nov 8, 2021 through Nov 8, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| R047940 | NY | MD | Clinical Social Worker |
| 000546 | CT | MD | Marriage & Family Therapist |
| 000035 | NY | MD | General Practice Dentistry |
| 004362 | CT | MD | Physical Therapist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1171238400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1710029210",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "17 FRIENDLEE LN",
"city": "WILTON",
"state": "CT",
"postal_code": "068973109",
"telephone_number": "203-762-3106",
"fax_number": "203-762-3106"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "410 W 40TH ST",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100181204",
"telephone_number": "212-358-1317",
"fax_number": "203-762-3106"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HALBROOK",
"first_name": "JOHN",
"middle_name": "H",
"name_prefix": "Dr.",
"credential": "ED.D., LCSW, MFT",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2007-02-12",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "NY",
"license": "R047940",
"primary": false
},
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "CT",
"license": "004362",
"primary": false
},
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "CT",
"license": "000546",
"primary": false
},
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "NY",
"license": "000035",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CAQH ID # FOR CREDENTIAL",
"identifier": "10743237",
"state": "NY"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "OXFORD INS. PROVIDER NO.",
"identifier": "P2542770",
"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 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; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.