MELODIE CHALKER
NPI 1265389779
Speech-Language Pathologist in Midland, TX

NPI Status: Active since March 13, 2026

Contact Information

5212 SINCLAIR AVE
MIDLAND, TX
ZIP 79707
Phone: (432) 689-9898

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  • Individual
  • Female
  • Speech-Language Pathologist

About MELODIE CHALKER

This page provides the complete NPI Profile along with additional information for Melodie Chalker, a provider established in Midland, Texas with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1265389779 assigned on March 2026. The practitioner's primary taxonomy code is 235Z00000X. The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1265389779
Provider Name
MELODIE CHALKER
Gender
Female
Entity Type
Individual
Location Address
5212 SINCLAIR AVE MIDLAND, TX 79707
Location Phone
(432) 689-9898
Mailing Address
4 STUTZ CT MIDLAND, TX 79705
Is Sole Proprietor?
No
Enumeration Date
03-13-2026
Last Update Date
03-13-2026
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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.

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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 1265389779, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
6
Doubled → 12 → 1 + 2
Pos 4
5
Unchanged
Pos 5
3
Doubled → 6
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
7
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
9
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 6 → 12 → 3 3 → 6 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 2 + 5 + 6 + 8 + 1 + 8 + 7 + 1 + 4 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1265389779.

Other Providers at the Same Location


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

Occupational Therapy Assistant
5212 SINCLAIR AVE
MIDLAND, TX 79707
Physical Therapist
5212 SINCLAIR AVE
MIDLAND, TX 79707
Pharmacy (Long Term Care Pharmacy)
5212 SINCLAIR AVE
MIDLAND, TX 79707
Speech-Language Pathologist
5212 SINCLAIR AVE
MIDLAND, TX 79707
Pharmacy (Community/Retail Pharmacy)
5212 SINCLAIR AVE
MIDLAND, TX 79707
Physical Therapy Assistant
5212 SINCLAIR AVE
MIDLAND, TX 79707
Speech-Language Pathologist
5212 SINCLAIR AVE
MIDLAND, TX 79707

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1265389779, enumerated as an "individual" on March 13, 2026.

The provider is located at 5212 SINCLAIR AVE MIDLAND, TX 79707 and the phone number is (432) 689-9898.

Speech-Language Pathologist with taxonomy code 235Z00000X.