EXPERT WITNESS SERVICES LLC
NPI 1366969438
Clinic/Center - Medical Specialty in North Myrtle Beach, SC

NPI Status: Active since August 29, 2017

Contact Information

4701 S OCEAN BLVD APT 5F
NORTH MYRTLE BEACH, SC
ZIP 29582
Phone: (901) 634-6210

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  • Organization
  • Clinic/Center
  • Medical Specialty

About EXPERT WITNESS SERVICES LLC

This page provides the complete NPI Profile along with additional information for Expert Witness Services Llc, a provider established in North Myrtle Beach, South Carolina operating as a Clinic/center, focusing in medical specialty . The healthcare provider is registered in the NPI registry with number 1366969438 assigned on August 2017. The practitioner's primary taxonomy code is 261QM2500X. The provider is registered as an organization and their NPI record was last updated one year ago. 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 provider's . The authorized official of this NPI record is Dr. David Weitzman Md (President)

NPI
1366969438
Provider Legal Name
EXPERT WITNESS SERVICES LLC
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
4701 S OCEAN BLVD APT 5F NORTH MYRTLE BEACH, SC 29582
Location Phone
(901) 634-6210
Mailing Address
204 MORAYSHIRE CT HOLLY SPRINGS, NC 27540
Mailing Phone
(919) 346-4442
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-29-2017
Last Update Date
07-28-2025
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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

Clinic/Center Medical Specialty

Taxonomy Code
261QM2500X
Type
Ambulatory Health Care Facilities
Taxonomy Description
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).

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)
1207P00000XAllopathic & Osteopathic Physicians

Emergency Medicine

39135 (SC)
2261QH0100XAmbulatory Health Care Facilities

Clinic/Center
Health Service

 
3261QM1000XAmbulatory Health Care Facilities

Clinic/Center
Migrant Health

 
4261QU0200XAmbulatory Health Care Facilities

Clinic/Center
Urgent Care

 

Group Taxonomy 193400000X 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

DR. DAVID WEITZMAN MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(901) 634-6210

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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 1366969438, 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
3
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
6
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
Unchanged
Pos 9
3
Doubled → 6
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 6 → 12 → 3 9 → 18 → 9 9 → 18 → 9 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 2 + 6 + 1 + 8 + 6 + 1 + 8 + 4 + 6 + 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 1366969438.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1366969438, enumerated as an "organization" on August 29, 2017.

The provider is located at 4701 S OCEAN BLVD APT 5F NORTH MYRTLE BEACH, SC 29582 and the phone number is (901) 634-6210.

Clinic/Center with taxonomy code 261QM2500X and a focus in Medical Specialty.