GRAZEN CORPORATION
NPI 1497648679
Clinic/Center - Physical Therapy in Madison, CT

NPI Status: Active since May 29, 2025

Contact Information

90 WALL ST STE 100
MADISON, CT
ZIP 06443
Phone: (475) 522-2985

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  • Organization
  • Clinic/Center
  • Physical Therapy

About GRAZEN CORPORATION

This page provides the complete NPI Profile along with additional information for Grazen Corporation, a provider established in Madison, Connecticut operating as a Clinic/center, focusing in physical therapy . The healthcare provider is registered in the NPI registry with number 1497648679 assigned on May 2025. The practitioner's primary taxonomy code is 261QP2000X. The provider is registered as an organization and their NPI record was last updated one year ago. The provider's . The authorized official of this NPI record is John Robert Grazen (Owner / Ceo)

NPI
1497648679
Provider Legal Name
GRAZEN CORPORATION
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
90 WALL ST STE 100 MADISON, CT 06443
Location Phone
(475) 522-2985
Mailing Address
90 WALL ST STE 100 MADISON, CT 06443
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-29-2025
Last Update Date
07-22-2025
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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

Clinic/Center Physical Therapy

Taxonomy Code
261QP2000X
Type
Ambulatory Health Care Facilities
Taxonomy Description
An entity, facility, or distinct part of a facility providing diagnostic and treatment services related to physical rehabilitation. Physical therapy is a dynamic profession with an established theoretical and scientific base and widespread clinical applications in the restoration, maintenance, and promotion of optimal physical function. Physical therapists and physical therapist assistants are licensed health care professionals who are experts in the movement system and help individuals maintain, restore, and improve movement, activity, and functioning, thereby enabling optimal performance and enhancing health, well-being, and quality of life. Their services prevent, minimize, or eliminate impairments of body functions and structures, activity limitations, and participation restrictions. Physical therapy is provided for individuals of all ages who have or may develop impairments, activity limitations, and participation restrictions related to (1) conditions of the musculoskeletal, neuromuscular, cardiovascular, pulmonary, and/or integumentary systems or (2) the negative effects attributable to unique personal and environmental factors as they relate to human performance.

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

JOHN ROBERT GRAZEN

Authorized Official Title
OWNER / CEO
Authorized Official Phone
(860) 876-3981

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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 1497648679, 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 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
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
6
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
9
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 9 → 18 → 9 6 → 12 → 3 8 → 16 → 7 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 1 + 2 + 4 + 1 + 6 + 6 + 1 + 4 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1497648679.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Clinic/Center (Dental)
90 WALL ST STE 100
MADISON, CT 06443

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497648679, enumerated as an "organization" on May 29, 2025.

The provider is located at 90 WALL ST STE 100 MADISON, CT 06443 and the phone number is (475) 522-2985.

Clinic/Center with taxonomy code 261QP2000X and a focus in Physical Therapy.