DUFF DERMATOLOGY
NPI 1831341437
Point of Service in Hattiesburg, MS

NPI Status: Active since October 15, 2008

Contact Information

40 FRANKLIN RD
HATTIESBURG, MS
ZIP 39402
Phone: (601) 296-3405

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  • Organization
  • Point of Service

About DUFF DERMATOLOGY

This page provides the complete NPI Profile along with additional information for Duff Dermatology, a provider established in Hattiesburg, Mississippi operating as a Point Of Service. The healthcare provider is registered in the NPI registry with number 1831341437 assigned on October 2008. The practitioner's primary taxonomy code is 305S00000X. The provider is registered as an organization and their NPI record was last updated 6 years ago. The provider's is doing business as Duff Dermatology. The authorized official of this NPI record is Sheryl Gray (Insurance Coordinator)

NPI
1831341437
Provider Legal Name
REBECCA R DUFF, PLLC
Other Organization Name
DUFF DERMATOLOGY
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
40 FRANKLIN RD HATTIESBURG, MS 39402
Location Phone
(601) 296-3405
Mailing Address
40 FRANKLIN RD HATTIESBURG, MS 39402
Mailing Phone
(601) 296-3405
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-15-2008
Last Update Date
06-11-2020
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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

Point of Service

Taxonomy Code
305S00000X
Type
Managed Care Organizations
Taxonomy Description
This product may also be called an open-ended HMO and offers a transition product incorporating features of both HMOs and PPOs. Beneficiaries are enrolled in an HMO but have the option to go outside the networks for an additional cost.

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

SHERYL GRAY

Authorized Official Title
INSURANCE COORDINATOR
Authorized Official Phone
(601) 296-3405

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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 1831341437, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 6 + 4 + 2 + 4 + 6 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1831341437.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Dermatology
40 FRANKLIN RD
HATTIESBURG, MS 39402
Clinic/Center (Ambulatory Surgical)
40 FRANKLIN RD
HATTIESBURG, MS 39402
Plastic Surgery
40 FRANKLIN RD
HATTIESBURG, MS 39402
Plastic Surgery
40 FRANKLIN RD
HATTIESBURG, MS 39402
Plastic Surgery
40 FRANKLIN RD
HATTIESBURG, MS 39402

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831341437, enumerated as an "organization" on October 15, 2008.

The provider is located at 40 FRANKLIN RD HATTIESBURG, MS 39402 and the phone number is (601) 296-3405.

Point of Service with taxonomy code 305S00000X.