CLARKE SPEECH THERAPY, LLC
NPI 1215896592
Speech-Language Pathologist in Sykesville, MD

NPI Status: Active since January 21, 2026

Contact Information

R2 1912 LIBERTY ROAD
BUILDING 3, SUITE 28
SYKESVILLE, MD
ZIP 21784
Phone: (443) 452-7524
Fax: (443) 281-9025

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  • Organization
  • Speech-Language Pathologist

About CLARKE SPEECH THERAPY, LLC

This page provides the complete NPI Profile along with additional information for Clarke Speech Therapy, Llc, a provider established in Sykesville, Maryland operating as a Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1215896592 assigned on January 2026. The practitioner's primary taxonomy code is 235Z00000X. The provider is registered as an organization and their NPI record was last updated February 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Nicole Clarke M.s., Ccc-slp (Speech Therapist)

NPI
1215896592
Provider Name
CLARKE SPEECH THERAPY, LLC
Entity Type
Organization
Location Address
R2 1912 LIBERTY ROAD BUILDING 3, SUITE 28 SYKESVILLE, MD 21784
Location Phone
(443) 452-7524
Location Fax
(443) 281-9025
Mailing Address
1814 FALLSTAFF CT ELDERSBURG, MD 21784
Mailing Phone
(443) 452-7524
Mailing Fax
(443) 281-9025
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-21-2026
Last Update Date
02-16-2026
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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
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.

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.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

NICOLE CLARKE M.S., CCC-SLP

Authorized Official Title
SPEECH THERAPIST
Authorized Official Phone
(443) 452-7524

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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 1215896592, 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 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
2
Unchanged
Pos 3
1
Doubled → 2
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
9
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
5
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 1 → 2 8 → 16 → 7 6 → 12 → 3 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 2 + 5 + 1 + 6 + 9 + 1 + 2 + 5 + 1 + 8 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1215896592.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1215896592, enumerated as an "organization" on January 21, 2026.

The provider is located at R2 1912 LIBERTY ROAD BUILDING 3, SUITE 28 SYKESVILLE, MD 21784 and the phone number is (443) 452-7524.

Speech-Language Pathologist with taxonomy code 235Z00000X.