TERRI MARKS
NPI 1417810573
Contractor in Charlotte, NC

NPI Status: Active since December 05, 2025

Contact Information

1235 EAST BLVD STE E
CHARLOTTE, NC
ZIP 28203
Phone: (336) 685-1738

Get Directions Write a Review

  • Individual
  • Female
  • Contractor

About TERRI MARKS

This page provides the complete NPI Profile along with additional information for Terri Marks, a provider established in Charlotte, North Carolina with a medical specialization in Contractor. The healthcare provider is registered in the NPI registry with number 1417810573 assigned on December 2025. The practitioner's primary taxonomy code is 171W00000X. The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1417810573
Provider Name
TERRI MARKS
Gender
Female
Entity Type
Individual
Location Address
1235 EAST BLVD STE E CHARLOTTE, NC 28203
Location Phone
(336) 685-1738
Mailing Address
1235 EAST BLVD STE E CHARLOTTE, NC 28203
Is Sole Proprietor?
Yes
Enumeration Date
12-05-2025
Last Update Date
12-05-2025
Code Navigator

Location Map

Secondary Locations

  • Foxhill 9, Apartment 506
    Dubai, United Arab Emirates 25314
  • 2049 Chapel Park Ln
    Greensboro, NC 27405
    (336) 685-1738

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

Contractor

Taxonomy Code
171W00000X
Type
Other Service Providers
Taxonomy Description
For the purposes of the Health Care Provider Taxonomy, a contractor is limited to individuals who do construction or mechanical work to modify a patient's environment to accommodate a health condition. Contractors perform projects including, but not limited to, building wheelchair ramps, widening doorways, modifying personal vehicles, and making other improvements for patient access and movement. This code has no relation to a provider's employment status.

Reviews for TERRI MARKS

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1417810573, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
1
Doubled → 2
Pos 4
7
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
0
Doubled → 0
Pos 8
5
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
3
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 8 → 16 → 7 0 → 0 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 + 2 + 7 + 1 + 6 + 1 + 0 + 5 + 1 + 4 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1417810573.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Speech-Language Pathologist
1235 EAST BLVD STE E, 129
CHARLOTTE, NC 28203
Counselor (Professional)
1235 EAST BLVD STE E
CHARLOTTE, NC 28203
Non-emergency Medical Transport (VAN)
1235 EAST BLVD STE E, SUITE E #339
CHARLOTTE, NC 28203
Social Worker (Clinical)
1235 EAST BLVD STE E
CHARLOTTE, NC 28203
Counselor (Mental Health)
1235 EAST BLVD STE E
CHARLOTTE, NC 28203
Speech-Language Pathologist
1235 EAST BLVD STE E
CHARLOTTE, NC 28203
Social Worker (Clinical)
1235 EAST BLVD STE E
CHARLOTTE, NC 28203
Non-emergency Medical Transport (VAN)
1235 EAST BLVD STE E
CHARLOTTE, NC 28203
Counselor (Mental Health)
1235 EAST BLVD STE E, #1940
CHARLOTTE, NC 28203
Dietitian, Registered
1235 EAST BLVD STE E, #2271
CHARLOTTE, NC 28203
Behavior Analyst
1235 EAST BLVD STE E
CHARLOTTE, NC 28203
Private Vehicle
1235 EAST BLVD STE E, #1481
CHARLOTTE, NC 28203

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1417810573, enumerated as an "individual" on December 05, 2025.

The provider is located at 1235 EAST BLVD STE E CHARLOTTE, NC 28203 and the phone number is (336) 685-1738.

Contractor with taxonomy code 171W00000X.