AMJAD ATWI DC
NPI 1124886361
Chiropractor in Natick, MA

NPI Status: Active since March 12, 2024

Contact Information

264 N MAIN ST
NATICK, MA
ZIP 01760
Phone: (508) 655-9008

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  • Individual
  • Male
  • Years of Experience 3
  • Chiropractor
  • Accepts Medicare Approved Payment

About AMJAD ATWI

This page provides the complete NPI Profile along with additional information for Amjad Atwi, a provider established in Natick, Massachusetts with a medical specialization in Chiropractor and more than 3 years of experience. The healthcare provider is registered in the NPI registry with number 1124886361 assigned on March 2024. The practitioner's primary taxonomy code is 111N00000X with license number CHI5140 (MA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1124886361
Provider Name
AMJAD ATWI DC
Gender
Male
Entity Type
Individual
Location Address
264 N MAIN ST NATICK, MA 01760
Location Phone
(508) 655-9008
Mailing Address
264 N MAIN ST NATICK, MA 01760
Mailing Phone
(508) 655-9008
Medical School Name
OTHER
Graduation Year
2023
Is Sole Proprietor?
No
Enumeration Date
03-12-2024
Last Update Date
06-10-2025
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A chiropractor like Amjad Atwi helps patients with problems of the neuromusculoskeletal system, which includes nerves, bones, muscles, ligaments, and tendons. Chiropractors use spinal adjustments and manipulation, as well as other clinical interventions, to manage health issues such as back and neck pain. Some chiropractors apply procedures like massage therapy, rehabilitative exercise, ultrasound and spinal adjustments and manipulation. A chiropractor focuses on the patients overall health and might refer patients to other healthcare professionals if necessary.

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

Chiropractor

Taxonomy Code
111N00000X
Type
Chiropractic Providers
License No.
CHI5140
License State
MA
Taxonomy Description
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

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

CH14723 (FL)

Medicare Participation & PECOS Enrollment Status

Amjad Atwi is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • PECOS PAC ID: 547771602

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20250616002155

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

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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 1124886361, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 4 + 4 + 1 + 6 + 8 + 1 + 2 + 3 + 1 + 2 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1124886361.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Chiropractor
264 N MAIN ST
NATICK, MA 01760
Chiropractor
264 N MAIN ST
NATICK, MA 01760
Chiropractor
264 N MAIN ST
NATICK, MA 01760
Chiropractor
264 N MAIN ST
NATICK, MA 01760
Chiropractor
264 N MAIN ST
NATICK, MA 01760
Chiropractor
264 N MAIN ST
NATICK, MA 01760
Counselor (Mental Health)
264 N MAIN ST
NATICK, MA 01760

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124886361, enumerated as an "individual" on March 12, 2024.

The provider is located at 264 N MAIN ST NATICK, MA 01760 and the phone number is (508) 655-9008.

Chiropractor with taxonomy code 111N00000X.