GEORGETTE O'BRIEN
NPI 1548862378
Mastectomy Fitter in Walnut Creek, CA

NPI Status: Active since November 16, 2020

Contact Information

1220 OAKLAND BLVD STE 100
WALNUT CREEK, CA
ZIP 94596
Phone: (925) 939-2450
Fax: (925) 930-7452

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  • Individual
  • Female
  • Mastectomy Fitter

About GEORGETTE O'BRIEN

This page provides the complete NPI Profile along with additional information for Georgette O'brien, a provider established in Walnut Creek, California with a medical specialization in Mastectomy Fitter. The healthcare provider is registered in the NPI registry with number 1548862378 assigned on November 2020. The practitioner's primary taxonomy code is 224900000X. The provider is registered as an individual and her NPI record was last updated 6 years ago.

NPI
1548862378
Provider Name
GEORGETTE O'BRIEN
Gender
Female
Entity Type
Individual
Location Address
1220 OAKLAND BLVD STE 100 WALNUT CREEK, CA 94596
Location Phone
(925) 939-2450
Location Fax
(925) 930-7452
Mailing Address
1220 OAKLAND BLVD STE 100 WALNUT CREEK, CA 94596
Mailing Phone
(925) 939-2450
Mailing Fax
(925) 930-7452
Is Sole Proprietor?
No
Enumeration Date
11-16-2020
Last Update Date
11-16-2020
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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

Mastectomy Fitter

Taxonomy Code
224900000X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Description
An individual trained in the fitting and adjusting of breast prostheses and management of post-mastectomy prostheses services.

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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 1548862378, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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
5
Unchanged
Pos 3
4
Doubled → 8
Pos 4
8
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
2
Doubled → 4
Pos 8
3
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
8
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 4 → 8 8 → 16 → 7 2 → 4 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 8 + 8 + 1 + 6 + 6 + 4 + 3 + 1 + 4 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1548862378.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1548862378, enumerated as an "individual" on November 16, 2020.

The provider is located at 1220 OAKLAND BLVD STE 100 WALNUT CREEK, CA 94596 and the phone number is (925) 939-2450.

Mastectomy Fitter with taxonomy code 224900000X.