KATHLEEN GROFF DPT
NPI 1710431069
Physical Therapist - Geriatrics in Seattle, WA

NPI Status: Active since August 03, 2016

Contact Information

2821 S WALDEN ST
SEATTLE, WA
ZIP 98144
Phone: (206) 577-6200

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

Individual
Female
Physical Therapist
Geriatrics

About KATHLEEN GROFF

This page provides the complete NPI Profile along with additional information for Kathleen Groff, a provider established in Seattle, Washington with a medical specialization in Physical Therapist, focusing in geriatrics . The healthcare provider is registered in the NPI registry with number 1710431069 assigned on August 2016. The practitioner's primary taxonomy code is 2251G0304X with license number PT60641039 (WA). The provider is registered as an individual and her NPI record was last updated 10 years ago.

NPI: 1710431069
Provider Name: KATHLEEN GROFF DPT
Gender: Female
Entity Type: Individual
Location Address: 2821 S WALDEN ST SEATTLE, WA 98144
Location Phone: (206) 577-6200
Mailing Address: 17832 66TH PL W LYNNWOOD, WA 98037
Mailing Phone: (425) 772-8958
Is Sole Proprietor?: Yes
Enumeration Date: 08-03-2016
Last Update Date: 08-03-2016
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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: Physical Therapist Geriatrics
Taxonomy Code: 2251G0304X
Type: Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.: PT60641039
License State: WA
Taxonomy Description: A licensed physical therapist, including but not limited to an individual who is a Board Certified Specialist in Geriatric Physical Therapy, who has demonstrated specialized knowledge and skill in the comprehensive biopsychosocial assessment and evidence-based management of movement in aging adults. This includes, but is not limited to, specialized knowledge in and consideration of normal age-related changes and pathological manifestations across all systems; cognition and mental health; polypharmacy; fall risk mitigation; bone health; healthy and active aging, and socioeconomic and health policy issues affecting aging adults. The geriatric physical therapist is an integral part of the interdisciplinary geriatric team and serves as an advocate for the highest level of well-being for the older adult.

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 1710431069, we treat the final digit (9) 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 9).

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 → 8

Pos 6

Unchanged

Pos 7

Doubled → 2

Pos 8

Unchanged

Pos 9

Doubled → 12 → 1 + 2

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 4 → 8 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 2 + 0 + 8 + 3 + 2 + 0 + 1 + 2 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9

This NPI is valid

The calculated check digit is 9, which matches the last digit of 1710431069.