SAMIA GHAZAL SINGER SAMARA RD, RDN, LDN
NPI 1427999135
Dietitian, Registered - Nutrition, Obesity and Weight Management in Guthrie, OK

NPI Status: Active since April 06, 2026

Contact Information

7111 S DOUGLAS BLVD
GUTHRIE, OK
ZIP 73044
Phone: (405) 757-9508

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  • Individual
  • Female
  • Dietitian, Registered
  • Nutrition, Obesity and Weight Management

About SAMIA GHAZAL SINGER SAMARA

This page provides the complete NPI Profile along with additional information for Samia Ghazal Singer Samara, a provider established in Guthrie, Oklahoma with a medical specialization in Dietitian, Registered, focusing in nutrition, obesity and weight management . The healthcare provider is registered in the NPI registry with number 1427999135 assigned on April 2026. The practitioner's primary taxonomy code is 133VN1201X with license number 2928 (OK). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1427999135
Provider Name
SAMIA GHAZAL SINGER SAMARA RD, RDN, LDN
Gender
Female
Entity Type
Individual
Location Address
7111 S DOUGLAS BLVD GUTHRIE, OK 73044
Location Phone
(405) 757-9508
Mailing Address
7111 S DOUGLAS BLVD GUTHRIE, OK 73044
Mailing Phone
(405) 757-9508
Is Sole Proprietor?
No
Enumeration Date
04-06-2026
Last Update Date
04-06-2026
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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

Dietitian, Registered Nutrition, Obesity and Weight Management

Taxonomy Code
133VN1201X
Type
Dietary & Nutritional Service Providers
License No.
2928
License State
OK
Taxonomy Description
An individual who is a Board Certified Specialist for Obesity and Weight Management and educates, supports, and advocates for patients and clients to understand and manage their weight and associated risks through the use of nutritional, behavioral health, medical, surgical, pharmacotherapeutic, and exercise and physical activity interventions.

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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 1427999135, we treat the final digit (5) 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 5).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 1 + 8 + 9 + 1 + 8 + 1 + 6 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1427999135.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427999135, enumerated as an "individual" on April 06, 2026.

The provider is located at 7111 S DOUGLAS BLVD GUTHRIE, OK 73044 and the phone number is (405) 757-9508.

Dietitian, Registered with taxonomy code 133VN1201X and a focus in Nutrition, Obesity and Weight Management.