Active NPI
Sybil Ottenstein Mental Health Counselor, PLLC
Doing business as Somatic Psychotherapy
- Mental Health Counselor
- Brooklyn, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Mental Health Counselor
- Legal business name
- SYBIL OTTENSTEIN MENTAL HEALTH COUNSELOR, PLLC
- Doing business as
- Somatic Psychotherapy
- Practice address
- 36 Waverly Ave Ste 303
Brooklyn, NY 11205-1236 - Phone
- (917) 539-7889
- NPI assigned
- Feb 10, 2025
- Last updated
- May 20, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Sybil Ottenstein, LMHC-D
- Title
- Owner
- Phone
- (917) 539-7889
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Mental Health Counselor | 101YM0800X | Primary |
Addresses
Primary practice location
36 Waverly Ave Ste 303
Brooklyn, NY 11205-1236
Mailing address
36 Waverly Ave Ste 303
Brooklyn, NY 11205-1236
Phone (917) 539-7889
Other practice location 1
345 7th Ave Ste 12-E
New York, NY 10001-5006
Phone (917) 539-7889
Other names 1
- Somatic Psychotherapy
National Provider Directory
National Provider DirectoryLocations
345 7th Ave
Ste 12E
New York, NY 10001
Phone (917) 539-7889
Practitioners & affiliated clinicians
Practitioners 3
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Mental Health Counselor
- New York, NY
- NPI 1871165043
-
- Clinical Social Worker
- Brooklyn, NY
- NPI 1306737937
-
- Mental Health Counselor
- Brooklyn, NY
- NPI 1437085313
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1739145600000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1779235200000",
"number": "1336954221",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "36 WAVERLY AVE STE 303",
"city": "BROOKLYN",
"state": "NY",
"postal_code": "112051236",
"telephone_number": "917-539-7889"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "36 WAVERLY AVE STE 303",
"city": "BROOKLYN",
"state": "NY",
"postal_code": "112051236",
"telephone_number": "917-539-7889"
}
],
"practiceLocations": [
{
"address_1": "345 7th Ave Ste 12-E",
"address_purpose": "LOCATION",
"city": "New York",
"state": "NY",
"postal_code": "100015006",
"country_code": "US",
"telephone_number": "917-539-7889",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"organization_name": "SYBIL OTTENSTEIN MENTAL HEALTH COUNSELOR, PLLC",
"organizational_subpart": "NO",
"enumeration_date": "2025-02-10",
"last_updated": "2026-05-20",
"certification_date": "2026-05-20",
"status": "A",
"authorized_official_last_name": "OTTENSTEIN",
"authorized_official_first_name": "SYBIL",
"authorized_official_title_or_position": "OWNER",
"authorized_official_telephone_number": "917-539-7889",
"authorized_official_credential": "LMHC-D"
},
"taxonomies": [
{
"code": "101YM0800X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Counselor, Mental Health",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"organization_name": "Somatic Psychotherapy",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Brooklyn, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.