SARAH A HILGERS OT
NPI 1285796938
Occupational Therapist - Hand in Berkeley, CA

NPI Status: Active since December 15, 2006

Contact Information

1931 GRANT ST
BERKELEY, CA
ZIP 94703
Phone: (510) 307-1659
Fax: (510) 307-1664

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  • Individual
  • Female
  • Occupational Therapist
  • Hand

About SARAH HILGERS

This page provides the complete NPI Profile along with additional information for Sarah Hilgers, a provider established in Berkeley, California with a medical specialization in Occupational Therapist, focusing in hand . The healthcare provider is registered in the NPI registry with number 1285796938 assigned on December 2006. The practitioner's primary taxonomy code is 225XH1200X with license number 4103 (CA). The provider is registered as an individual and her NPI record was last updated 4 years ago.

NPI
1285796938
Provider Name
SARAH A HILGERS OT
Gender
Female
Entity Type
Individual
Location Address
1931 GRANT ST BERKELEY, CA 94703
Location Phone
(510) 307-1659
Location Fax
(510) 307-1664
Mailing Address
1931 GRANT ST BERKELEY, CA 94703
Mailing Phone
(510) 307-1659
Mailing Fax
(510) 307-1664
Is Sole Proprietor?
Yes
Enumeration Date
12-15-2006
Last Update Date
02-11-2022
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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

Occupational Therapist Hand

Taxonomy Code
225XH1200X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
4103
License State
CA

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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 1285796938, 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
2
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
5
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
9
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
9
Unchanged
Pos 9
3
Doubled → 6
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 8 → 16 → 7 7 → 14 → 5 6 → 12 → 3 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 6 + 5 + 1 + 4 + 9 + 1 + 2 + 9 + 6 + 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 1285796938.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1285796938, enumerated as an "individual" on December 15, 2006.

The provider is located at 1931 GRANT ST BERKELEY, CA 94703 and the phone number is (510) 307-1659.

Occupational Therapist with taxonomy code 225XH1200X and a focus in Hand.