Crystal Mothersill
NPI 1629492145 · Clinical Social Worker · Bronx, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Mothersill is a Clinical Social Worker provider in Bronx, NY (NPI 1629492145).
Provider details
- NPI number
- 1629492145
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
12 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
Mailing address
Registry dates
- Enumerated
- 2014-02-05
- Last updated
- 2025-09-09
- Certified
- 2025-09-09
Frequently asked questions
- What is Crystal Mothersill's NPI number?
- Crystal Mothersill's National Provider Identifier (NPI) is 1629492145, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Mothersill's specialty?
- Crystal Mothersill is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Crystal Mothersill located?
- Crystal Mothersill's practice location on file with NPPES is 1185 Bryant Ave Ph, Bronx, NY 10459-2079.
- What is Crystal Mothersill's phone number?
- The practice phone number listed in the NPPES registry for Crystal Mothersill is (917) 690-9307.
- Does Crystal Mothersill accept Medicare?
- Crystal Mothersill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Crystal Mothersill's NPI active?
- Yes — Crystal Mothersill's NPI (1629492145) is active in the NPPES registry as of the last update on 2025-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.