DR. NORA VICTORIA HIRSCHLER MD
NPI 1316137904
Pathology - Blood Banking & Transfusion Medicine in San Francisco, CA

NPI Status: Active since July 30, 2007

Contact Information

270 MASONIC AVE
SAN FRANCISCO, CA
ZIP 94118
Phone: (415) 749-6663

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

Individual
Female
Pathology
Blood Banking & Transfusion Medicine

About NORA HIRSCHLER

This page provides the complete NPI Profile along with additional information for Nora Hirschler, a provider established in San Francisco, California with a medical specialization in Pathology, focusing in blood banking & transfusion medicine . The healthcare provider is registered in the NPI registry with number 1316137904 assigned on July 2007. The practitioner's primary taxonomy code is 207ZB0001X with license number C50083 (CA). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI: 1316137904
Provider Name: DR. NORA VICTORIA HIRSCHLER MD
Gender: Female
Entity Type: Individual
Location Address: 270 MASONIC AVE SAN FRANCISCO, CA 94118
Location Phone: (415) 749-6663
Mailing Address: 270 MASONIC AVE SAN FRANCISCO, CA 94118
Mailing Phone: (415) 749-6663
Is Sole Proprietor?: No
Enumeration Date: 07-30-2007
Last Update Date: 07-30-2007
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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: Pathology Blood Banking & Transfusion Medicine
Taxonomy Code: 207ZB0001X
Type: Allopathic & Osteopathic Physicians
License No.: C50083
License State: CA
Taxonomy Description: A physician who specializes in blood banking/transfusion medicine is responsible for the maintenance of an adequate blood supply, blood donor and patient-recipient safety and appropriate blood utilization. Pre-transfusion compatibility testing and antibody testing assure that blood transfusions, when indicated, are as safe as possible. This physician directs the preparation and safe use of specially prepared blood components, including red blood cells, white blood cells, platelets and plasma constituents, and marrow or stem cells for transplantation.

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 1316137904, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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 → 2

Pos 4

Unchanged

Pos 5

Doubled → 2

Pos 6

Unchanged

Pos 7

Doubled → 14 → 1 + 4

Pos 8

Unchanged

Pos 9

Doubled → 0

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 1 → 2 1 → 2 7 → 14 → 5 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 2 + 6 + 2 + 3 + 1 + 4 + 9 + 0 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4

This NPI is valid

The calculated check digit is 4, which matches the last digit of 1316137904.