IVYREHAB CONNECTICUT, INC.
NPI 1265799365
Physical Therapist in Old Greenwich, CT

NPI Status: Active since April 13, 2012

Contact Information

143 SOUND BEACH AVE
SUITE 100
OLD GREENWICH, CT
ZIP 06870
Phone: (866) 489-7342
Fax: (631) 580-5222

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  • Organization
  • Physical Therapist

About IVYREHAB CONNECTICUT, INC.

This page provides the complete NPI Profile along with additional information for Ivyrehab Connecticut, Inc., a provider established in Old Greenwich, Connecticut operating as a Physical Therapist. The healthcare provider is registered in the NPI registry with number 1265799365 assigned on April 2012. The practitioner's primary taxonomy code is 225100000X. The provider is registered as an organization and their NPI record was last updated February 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Ashley Griffiths (Sr. Director Of Provider Relations)

NPI
1265799365
Provider Name
IVYREHAB CONNECTICUT, INC.
Entity Type
Organization
Location Address
143 SOUND BEACH AVE SUITE 100 OLD GREENWICH, CT 06870
Location Phone
(866) 489-7342
Location Fax
(631) 580-5222
Mailing Address
1311 MAMARONECK AVE STE 140 WHITE PLAINS, NY 10605
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-13-2012
Last Update Date
02-12-2026
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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

Taxonomy Code
225100000X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Description
Physical therapists (PTs) are licensed health care professionals who diagnose and treat individuals of all ages, from newborns to the very oldest, who have medical problems or other health-related conditions that limit their abilities to move and perform functional activities in their daily lives. PTs examine each individual and develop a plan using treatment techniques to promote the ability to move, reduce pain, restore function, and prevent disability. In addition, PTs work with individuals to prevent the loss of mobility before it occurs by developing fitness- and wellness-oriented programs for healthier and more active lifestyles. PTs:
  • Diagnose and manage movement dysfunction and enhance physical and functional abilities.
  • Restore, maintain, and promote not only optimal physical function but optimal wellness and fitness and optimal quality of life as it relates to movement and health.
  • Prevent the onset, symptoms, and progression of impairments, functional limitations, and disabilities that may result from diseases, disorders, conditions, or injuries.
  • Treat conditions of the musculoskeletal, neuromuscular, cardiovascular, pulmonary, and/or integumentary systems.
  • Address the negative effects attributable to unique personal and environmental factors as they relate to human performance.
PTs provide care for people in a variety of settings, including hospitals, private practices, outpatient clinics, home health agencies, schools, sports and fitness facilities, work settings, and nursing homes. State licensure is required in each state in which a PT practices.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1225X00000XRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Occupational Therapist

 
2235Z00000XSpeech, Language and Hearing Service Providers

Speech-Language Pathologist

 

Group Taxonomy 193400000X MULTIPLE SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

ASHLEY GRIFFITHS

Authorized Official Title
SR. DIRECTOR OF PROVIDER RELATIONS
Authorized Official Phone
(732) 678-6119

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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 1265799365, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
6
Doubled → 12 → 1 + 2
Pos 4
5
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
9
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
3
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
5
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 6 → 12 → 3 7 → 14 → 5 9 → 18 → 9 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 2 + 5 + 1 + 4 + 9 + 1 + 8 + 3 + 1 + 2 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1265799365.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Physical Therapist
143 SOUND BEACH AVE
OLD GREENWICH, CT 06870
Physical Therapist
143 SOUND BEACH AVE
OLD GREENWICH, CT 06870
Physical Therapist
143 SOUND BEACH AVE
OLD GREENWICH, CT 06870
Physical Therapist
143 SOUND BEACH AVE
OLD GREENWICH, CT 06870

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1265799365, enumerated as an "organization" on April 13, 2012.

The provider is located at 143 SOUND BEACH AVE SUITE 100 OLD GREENWICH, CT 06870 and the phone number is (866) 489-7342.

Physical Therapist with taxonomy code 225100000X.