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Sydney Appelbaum, PSYD
NPI 1346128501 · Clinical Psychologist · Brooklyn, NY
Sydney Appelbaum, PSYD is a Clinical Psychologist provider in Brooklyn, NY (NPI 1346128501).
Provider details
- NPI number
- 1346128501
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Female
- Sole proprietor
- Yes
- License
- P134223 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% 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
109 N 12th St Ste 507
Brooklyn, NY 11249-1002
Phone: (347) 407-8959
Street-level locationGet directions
Mailing address
109 N 12th St Ste 507
Brooklyn, NY 11249-1002
Registry dates
- Enumerated
- 2025-08-25
- Last updated
- 2025-08-27
- Certified
- 2025-08-27
Frequently asked questions
- What is Sydney Appelbaum's NPI number?
- Sydney Appelbaum's National Provider Identifier (NPI) is 1346128501, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sydney Appelbaum's specialty?
- Sydney Appelbaum is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Sydney Appelbaum located?
- Sydney Appelbaum's practice location on file with NPPES is 109 N 12th St Ste 507, Brooklyn, NY 11249-1002.
- What is Sydney Appelbaum's phone number?
- The practice phone number listed in the NPPES registry for Sydney Appelbaum is (347) 407-8959.
- Is Sydney Appelbaum's NPI active?
- Yes — Sydney Appelbaum's NPI (1346128501) is active in the NPPES registry as of the last update on 2025-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.