IndividualActive
Sybil Ottenstein
NPI 1871165043 · Mental Health Counselor · New York, NY
Sybil Ottenstein is a Mental Health Counselor provider in New York, NY (NPI 1871165043).
Provider details
- NPI number
- 1871165043
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
150 E 58th St Fl 21
New York, NY 10155-0002
Phone: (917) 720-2764
Street-level locationGet directions
Mailing address
260 Cumberland St Apt 21
Brooklyn, NY 11205-4694
Registry dates
- Enumerated
- 2021-07-15
- Last updated
- 2021-07-15
- Certified
- 2021-07-15
Frequently asked questions
- What is Sybil Ottenstein's NPI number?
- Sybil Ottenstein's National Provider Identifier (NPI) is 1871165043, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sybil Ottenstein's specialty?
- Sybil Ottenstein is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Sybil Ottenstein located?
- Sybil Ottenstein's practice location on file with NPPES is 150 E 58th St Fl 21, New York, NY 10155-0002.
- What is Sybil Ottenstein's phone number?
- The practice phone number listed in the NPPES registry for Sybil Ottenstein is (917) 720-2764.
- Is Sybil Ottenstein's NPI active?
- Yes — Sybil Ottenstein's NPI (1871165043) is active in the NPPES registry as of the last update on 2021-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.