Isabella Sierra, M.PSY
NPI 1972166882 · Clinical Psychologist · New York, NY
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isabella Sierra, M.PSY is a Clinical Psychologist provider in New York, NY (NPI 1972166882).
Provider details
- NPI number
- 1972166882
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- M.PSY
- Sex
- Female
- Sole proprietor
- No
- License
- 024524 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES 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
Mailing address
Registry dates
- Enumerated
- 2019-04-16
- Last updated
- 2022-01-03
- Certified
- 2022-01-03
Frequently asked questions
- What is Isabella Sierra's NPI number?
- Isabella Sierra's National Provider Identifier (NPI) is 1972166882, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabella Sierra's specialty?
- Isabella Sierra is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Isabella Sierra located?
- Isabella Sierra's practice location on file with NPPES is 1111 Amsterdam Ave, New York, NY 10025-1716.
- What is Isabella Sierra's phone number?
- The practice phone number listed in the NPPES registry for Isabella Sierra is (212) 523-4000.
- Does Isabella Sierra accept Medicare?
- Isabella Sierra is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isabella Sierra's NPI active?
- Yes — Isabella Sierra's NPI (1972166882) is active in the NPPES registry as of the last update on 2022-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.