MONICA MARIE ALLONARDO M.S., CCC-SLP
NPI 1255289427
Speech-Language Pathologist in Hammonton, NJ

NPI Status: Active since March 21, 2026

Contact Information

897 12TH ST UNIT 101
HAMMONTON, NJ
ZIP 08037
Phone: (609) 878-0892

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  • Individual
  • Female
  • Speech-Language Pathologist

About MONICA ALLONARDO

This page provides the complete NPI Profile along with additional information for Monica Allonardo, a provider established in Hammonton, New Jersey with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1255289427 assigned on March 2026. The practitioner's primary taxonomy code is 235Z00000X with license number 41YS01375700 (NJ). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1255289427
Provider Name
MONICA MARIE ALLONARDO M.S., CCC-SLP
Gender
Female
Entity Type
Individual
Location Address
897 12TH ST UNIT 101 HAMMONTON, NJ 08037
Location Phone
(609) 878-0892
Mailing Address
636 MAIN RD VINELAND, NJ 08360
Is Sole Proprietor?
Yes
Enumeration Date
03-21-2026
Last Update Date
03-21-2026
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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

Speech-Language Pathologist

Taxonomy Code
235Z00000X
Type
Speech, Language and Hearing Service Providers
License No.
41YS01375700
License State
NJ
Taxonomy Description
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.

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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 1255289427, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
2
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
5
Unchanged
Pos 5
2
Doubled → 4
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
Unchanged
Pos 9
2
Doubled → 4
Check
7
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 5 → 10 → 1 2 → 4 9 → 18 → 9 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 0 + 5 + 4 + 8 + 1 + 8 + 4 + 4 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1255289427.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Speech-Language Pathologist
897 12TH ST UNIT 101
HAMMONTON, NJ 08037

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255289427, enumerated as an "individual" on March 21, 2026.

The provider is located at 897 12TH ST UNIT 101 HAMMONTON, NJ 08037 and the phone number is (609) 878-0892.

Speech-Language Pathologist with taxonomy code 235Z00000X.