DR. ALEXANDRA DE WAAL PSYD
NPI 1881256139
Psychologist in New York, NY

NPI Status: Active since July 07, 2019

Contact Information

80 MAIDEN LN
NEW YORK, NY
ZIP 10038
Phone: (212) 509-2411

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  • Individual
  • Female
  • Psychologist

About ALEXANDRA DE WAAL

This page provides the complete NPI Profile along with additional information for Alexandra De Waal, a provider established in New York, New York with a medical specialization in Psychologist. The healthcare provider is registered in the NPI registry with number 1881256139 assigned on July 2019. The practitioner's primary taxonomy code is 103T00000X with license number 023123 (NY). The provider is registered as an individual and her NPI record was last updated 7 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI
1881256139
Provider Name
DR. ALEXANDRA DE WAAL PSYD
Gender
Female
Entity Type
Individual
Location Address
80 MAIDEN LN NEW YORK, NY 10038
Location Phone
(212) 509-2411
Mailing Address
298 GREENE AVE APT 3 BROOKLYN, NY 11238
Mailing Phone
(646) 283-3561
Is Sole Proprietor?
Yes
Enumeration Date
07-07-2019
Last Update Date
07-07-2019
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A psychologist like Alexandra De Waal studies cognitive, emotional, social processes and behavior by observing, interpreting, and recording how people relate to one another and to their environments. Psychologists gather information and evaluate behavior through controlled laboratory experiments, psychoanalysis, psychotherapy or through personality, performance, aptitude, or intelligence tests, and use this information when testing theories in their research or when treating patients.

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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Psychologist

Taxonomy Code
103T00000X
Type
Behavioral Health & Social Service Providers
License No.
023123
License State
NY
Taxonomy Description
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1881256139, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
5
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
1
Unchanged
Pos 9
3
Doubled → 6
Check
9
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 8 → 16 → 7 2 → 4 6 → 12 → 3 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 1 + 6 + 1 + 4 + 5 + 1 + 2 + 1 + 6 + 24 = 61

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1881256139.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

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Ophthalmology
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Registered Nurse
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Behavior Analyst
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Behavior Analyst
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Anesthesiology
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Internal Medicine
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Physical Therapist
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Nurse Practitioner (Women's Health)
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Registered Nurse
80 MAIDEN LN
NEW YORK, NY 10038
Pharmacy
80 MAIDEN LN
NEW YORK, NY 10038
Registered Nurse
80 MAIDEN LN
NEW YORK, NY 10038
Registered Nurse (Pediatrics)
80 MAIDEN LN
NEW YORK, NY 10038
Licensed Practical Nurse
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881256139, enumerated as an "individual" on July 07, 2019.

The provider is located at 80 MAIDEN LN NEW YORK, NY 10038 and the phone number is (212) 509-2411.

Psychologist with taxonomy code 103T00000X.