MALIK SYLVESTER BS MHP
NPI 1053251272
Counselor in Quincy, IL

NPI Status: Active since March 30, 2026

Contact Information

639 YORK ST
QUINCY, IL
ZIP 62301
Phone: (217) 222-6277
Fax: (217) 224-1155

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  • Individual
  • Male
  • Counselor

About MALIK SYLVESTER

This page provides the complete NPI Profile along with additional information for Malik Sylvester, a provider established in Quincy, Illinois with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1053251272 assigned on March 2026. The practitioner's primary taxonomy code is 101Y00000X. The provider is registered as an individual and his NPI record was last updated March 2026.

NPI
1053251272
Provider Name
MALIK SYLVESTER BS MHP
Gender
Male
Entity Type
Individual
Location Address
639 YORK ST QUINCY, IL 62301
Location Phone
(217) 222-6277
Location Fax
(217) 224-1155
Mailing Address
902 W MAIN ST WEST FRANKFORT, IL 62896
Mailing Phone
(618) 326-2772
Mailing Fax
(217) 224-1155
Is Sole Proprietor?
No
Enumeration Date
03-30-2026
Last Update Date
03-30-2026
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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

Counselor

Taxonomy Code
101Y00000X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

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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 1053251272, we treat the final digit (2) 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 2).

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
0
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
3
Unchanged
Pos 5
2
Doubled → 4
Pos 6
5
Unchanged
Pos 7
1
Doubled → 2
Pos 8
2
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
2
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 1 → 2 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 0 + 3 + 4 + 5 + 2 + 2 + 1 + 4 + 24 = 48

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

The next multiple of ten after 48 is 50. The difference is the calculated check digit.

50 - 48 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1053251272.

Other Providers at the Same Location


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

Assisted Living Facility
639 YORK ST
QUINCY, IL 62301
Clinic/Center (Radiology)
639 YORK ST
QUINCY, IL 62301
Custodial Care Facility (Adult Care Home)
639 YORK ST, SUITE 110
QUINCY, IL 62301
In Home Supportive Care
639 YORK ST, 112
QUINCY, IL 62301
Counselor (Professional)
639 YORK ST
QUINCY, IL 62301
Clinic/Center (Rehabilitation, Substance Use Disorder)
639 YORK ST
QUINCY, IL 62301
Clinic/Center (Community Health)
639 YORK ST
QUINCY, IL 62301
Counselor
639 YORK ST
QUINCY, IL 62301
Counselor
639 YORK ST
QUINCY, IL 62301
Counselor
639 YORK ST
QUINCY, IL 62301
Counselor
639 YORK ST
QUINCY, IL 62301
Counselor
639 YORK ST
QUINCY, IL 62301
Counselor
639 YORK ST
QUINCY, IL 62301
Counselor
639 YORK ST
QUINCY, IL 62301
Counselor (Addiction (Substance Use Disorder))
639 YORK ST
QUINCY, IL 62301
Counselor
639 YORK ST
QUINCY, IL 62301
Counselor
639 YORK ST
QUINCY, IL 62301
Counselor
639 YORK ST
QUINCY, IL 62301
Counselor (Addiction (Substance Use Disorder))
639 YORK ST
QUINCY, IL 62301
Counselor
639 YORK ST
QUINCY, IL 62301

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1053251272, enumerated as an "individual" on March 30, 2026.

The provider is located at 639 YORK ST QUINCY, IL 62301 and the phone number is (217) 222-6277.

Counselor with taxonomy code 101Y00000X.