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.

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)

Practice location

500 Mamaroneck Ave Ste 320

Harrison, NY 10528-1600

Phone: (914) 630-5560

Approximate (ZIP-level) locationGet directions

More NY providers

Mailing address

500 Mamaroneck Ave Ste 320

Harrison, NY 10528-1600

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 023178 (NY)
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
6 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.

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.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions