DR. BARBARA BIRSINGER THD, MPH, RD, CEDRD
NPI 1427489277
Dietitian, Registered - Nutrition, Metabolic in Santa Rosa, CA

NPI Status: Active since December 04, 2013

Contact Information

175 CONCOURSE BLVD
SANTA ROSA, CA
ZIP 95403
Phone: (707) 799-2982
Fax: (707) 763-9380

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Dietitian, Registered
Nutrition, Metabolic

About BARBARA BIRSINGER

This page provides the complete NPI Profile along with additional information for Barbara Birsinger, a provider established in Santa Rosa, California with a medical specialization in Dietitian, Registered, focusing in nutrition, metabolic . The healthcare provider is registered in the NPI registry with number 1427489277 assigned on December 2013. The practitioner's primary taxonomy code is 133VN1006X with license number 516016 (CA). The provider is registered as an individual and her NPI record was last updated 13 years ago.

NPI: 1427489277
Provider Name: DR. BARBARA BIRSINGER THD, MPH, RD, CEDRD
Gender: Female
Entity Type: Individual
Location Address: 175 CONCOURSE BLVD SANTA ROSA, CA 95403
Location Phone: (707) 799-2982
Location Fax: (707) 763-9380
Mailing Address: 900 PINEWOOD CT PETALUMA, CA 94954
Mailing Phone: (707) 799-2982
Mailing Fax: (707) 763-9380
Is Sole Proprietor?: Yes
Enumeration Date: 12-04-2013
Last Update Date: 12-04-2013
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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, Metabolic
Taxonomy Code: 133VN1006X
Type: Dietary & Nutritional Service Providers
License No.: 516016
License State: CA
Taxonomy Description: A registered dietitian who achieves specialized competency in metabolic nutrition.

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 1427489277, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 4

Pos 4

Unchanged

Pos 5

Doubled → 8

Pos 6

Unchanged

Pos 7

Doubled → 18 → 1 + 8

Pos 8

Unchanged

Pos 9

Doubled → 14 → 1 + 4

Check

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 4 → 8 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 + 4 + 4 + 7 + 8 + 8 + 1 + 8 + 2 + 1 + 4 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7

This NPI is valid

The calculated check digit is 7, which matches the last digit of 1427489277.