AMALIE MALKIE MARX
NPI 1659224095
Developmental Therapist in Wyckoff, NJ
NPI Status: Active since February 17, 2026
Contact Information
541 CEDAR HILL AVE
WYCKOFF, NJ
ZIP 07481
Phone: (201) 201-8220
- Individual
- Female
- Developmental Therapist
About AMALIE MARX
This page provides the complete NPI Profile along with additional information for Amalie Marx, a provider established in Wyckoff, New Jersey with a medical specialization in Developmental Therapist. The healthcare provider is registered in the NPI registry with number 1659224095 assigned on February 2026. The practitioner's primary taxonomy code is 222Q00000X. The provider is registered as an individual and her NPI record was last updated February 2026.
- NPI
- 1659224095
- Provider Name
- AMALIE MALKIE MARX
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 541 CEDAR HILL AVE WYCKOFF, NJ 07481
- Location Phone
- (201) 201-8220
- Mailing Address
- 221 VAN HOUTEN AVE PASSAIC, NJ 07055
- Mailing Phone
- (646) 295-2591
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 02-17-2026
- Last Update Date
- 02-17-2026
- Code Navigator
Location Map
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
Developmental Therapist
- Taxonomy Code
- 222Q00000X
- Type
- Respiratory, Developmental, Rehabilitative and Restorative Service Providers
- Taxonomy Description
- A Developmental Therapist is a person qualified by completion of an approved program in Developmental Therapy and where applicable credentialed by the state and practicing within the scope of the credential, or credentialed by completion of education experiences as approved by the state and practicing within the scope of that credential or, where state credentialing does not exist, certified by the Board of the Developmental Therapy Association. A developmental therapist evaluates children's global development in order to identify areas of developmental delay whether arising from physiological, neurological, or environmental factors, or a combination of factors; and designs, implements, and modifies therapeutic interventions for the child and the family to promote the child's acquisition of skills in a variety of developmental areas, including cognitive processes and social interaction in order to maximize functional independence and developmental homeostasis, and improve the quality of life at home and in the community; and provides consultation for the parents and other professionals working with the family on global development.
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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 1659224095, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 65 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
WYCKOFF, NJ 07481
WYCKOFF, NJ 07481
WYCKOFF, NJ 07481
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1659224095, enumerated as an "individual" on February 17, 2026.
The provider is located at 541 CEDAR HILL AVE WYCKOFF, NJ 07481 and the phone number is (201) 201-8220.
Developmental Therapist with taxonomy code 222Q00000X.
