IndividualActive
Alyssa Van Der Merwe, PSYD
NPI 1073129169 · Psychologist · Harrison, NY
Alyssa Van Der Merwe, PSYD is a Psychologist provider in Harrison, NY (NPI 1073129169).
Provider details
- NPI number
- 1073129169
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 023178 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(64/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
500 Mamaroneck Ave Ste 320
Harrison, NY 10528-1600
Phone: (914) 630-5560
Approximate (ZIP-level) locationGet directions
Mailing address
500 Mamaroneck Ave Ste 320
Harrison, NY 10528-1600
Registry dates
- Enumerated
- 2020-09-23
- Last updated
- 2020-09-23
- Certified
- 2020-09-23
Frequently asked questions
- What is Alyssa Van Der Merwe's NPI number?
- Alyssa Van Der Merwe's National Provider Identifier (NPI) is 1073129169, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyssa Van Der Merwe's specialty?
- Alyssa Van Der Merwe is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Alyssa Van Der Merwe located?
- Alyssa Van Der Merwe's practice location on file with NPPES is 500 Mamaroneck Ave Ste 320, Harrison, NY 10528-1600.
- What is Alyssa Van Der Merwe's phone number?
- The practice phone number listed in the NPPES registry for Alyssa Van Der Merwe is (914) 630-5560.
- Is Alyssa Van Der Merwe's NPI active?
- Yes — Alyssa Van Der Merwe's NPI (1073129169) is active in the NPPES registry as of the last update on 2020-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.