MRS. MADELYN HERRILKO SLP-CF
NPI 1487584744
Speech-Language Pathologist in Cleveland, OH

NPI Status: Active since May 20, 2026

Contact Information

1890 E 107TH ST
CLEVELAND, OH
ZIP 44106
Phone: (216) 532-1347

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  • Individual
  • Female
  • Speech-Language Pathologist

About MADELYN HERRILKO

This page provides the complete NPI Profile along with additional information for Madelyn Herrilko, a provider established in Cleveland, Ohio with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1487584744 assigned on May 2026. The practitioner's primary taxonomy code is 235Z00000X with license number COND.20263370-SP (OH). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1487584744
Provider Name
MRS. MADELYN HERRILKO SLP-CF
Gender
Female
Entity Type
Individual
Location Address
1890 E 107TH ST CLEVELAND, OH 44106
Location Phone
(216) 532-1347
Mailing Address
32832 ELM DR AVON, OH 44011
Mailing Phone
(440) 420-3393
Is Sole Proprietor?
No
Enumeration Date
05-20-2026
Last Update Date
05-20-2026
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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.
COND.20263370-SP
License State
OH
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 1487584744, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).

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
4
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
4
Doubled → 8
Check
4
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 5 → 10 → 1 4 → 8 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 6 + 7 + 1 + 0 + 8 + 8 + 7 + 8 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1487584744.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Physical Therapy Assistant
1890 E 107TH ST
CLEVELAND, OH 44106
Clinic/Center (Occupational Medicine)
1890 E 107TH ST
CLEVELAND, OH 44106
Assisted Living Facility
1890 E 107TH ST
CLEVELAND, OH 44106
Occupational Therapy Assistant
1890 E 107TH ST
CLEVELAND, OH 44106
Occupational Therapist
1890 E 107TH ST
CLEVELAND, OH 44106
Occupational Therapy Assistant
1890 E 107TH ST
CLEVELAND, OH 44106
Assisted Living Facility
1890 E 107TH ST
CLEVELAND, OH 44106

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487584744, enumerated as an "individual" on May 20, 2026.

The provider is located at 1890 E 107TH ST CLEVELAND, OH 44106 and the phone number is (216) 532-1347.

Speech-Language Pathologist with taxonomy code 235Z00000X.