MEDICAL DIAGNOSTICS AND REHABILITATION LLC
NPI 1659454908
Physician Assistant in Springfield, MA

NPI Status: Active since October 23, 2006

Contact Information

300 STAFFORD STREET
SUITE 360
SPRINGFIELD, MA
ZIP 01104
Phone: (413) 734-8440
Fax: (413) 731-6703

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  • Organization
  • Physician Assistant

About MEDICAL DIAGNOSTICS AND REHABILITATION LLC

This page provides the complete NPI Profile along with additional information for Medical Diagnostics And Rehabilitation Llc, a primary care provider established in Springfield, Massachusetts operating as a Physician Assistant. The healthcare provider is registered in the NPI registry with number 1659454908 assigned on October 2006. The practitioner's primary taxonomy code is 363A00000X. The provider is registered as an organization and their NPI record was last updated one year ago. Medical Diagnostics And Rehabilitation Llc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's . The authorized official of this NPI record is Dr. Mitchell I Clionsky Phd (Ceo Manager Of The Llc)

NPI
1659454908
Provider Legal Name
MEDICAL DIAGNOSTICS AND REHABILITATION LLC
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
300 STAFFORD STREET SUITE 360 SPRINGFIELD, MA 01104
Location Phone
(413) 734-8440
Location Fax
(413) 731-6703
Mailing Address
300 STAFFORD STREET SUITE 360 SPRINGFIELD, MA 01104
Mailing Phone
(413) 734-8440
Mailing Fax
(413) 731-6703
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-23-2006
Last Update Date
09-11-2025
Code Navigator

A primary care provider (PCP) like Medical Diagnostics And Rehabilitation Llc sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

Location Map

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

Physician Assistant

Taxonomy Code
363A00000X
Type
Physician Assistants & Advanced Practice Nursing Providers
Taxonomy Description
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

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)
1111N00000XChiropractic Providers

Chiropractor

 
2207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

 
3225100000XRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Physical Therapist

 
4225200000XRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Physical Therapy Assistant

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

DR. MITCHELL I CLIONSKY PHD

Authorized Official Title
CEO MANAGER OF THE LLC
Authorized Official Phone
(413) 734-8440

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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 1659454908, 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
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
4
Doubled → 8
Pos 8
9
Unchanged
Pos 9
0
Doubled → 0
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 5 → 10 → 1 4 → 8 4 → 8 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 8 + 5 + 8 + 9 + 0 + 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 1659454908.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Surgery
300 STAFFORD STREET, SUITE 113
SPRINGFIELD, MA 01104
Nurse Practitioner
300 STAFFORD STREET, SUITES 154, 161
SPRINGFIELD, MA 01104
Nurse Practitioner (Acute Care)
300 STAFFORD STREET, SUITES 101, 154 & 161
SPRINGFIELD, MA 01104

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659454908, enumerated as an "organization" on October 23, 2006.

The provider is located at 300 STAFFORD STREET SUITE 360 SPRINGFIELD, MA 01104 and the phone number is (413) 734-8440.

Physician Assistant with taxonomy code 363A00000X.