GEISE DENTAL HUNTSVILLE PLLC
NPI 1679401459
Dentist - General Practice in Huntsville, AL

NPI Status: Active since May 12, 2026

Contact Information

1111 GLENEAGLES DR SW STE A
HUNTSVILLE, AL
ZIP 35801
Phone: (972) 248-1221

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  • Organization
  • Dentist
  • General Practice

About GEISE DENTAL HUNTSVILLE PLLC

This page provides the complete NPI Profile along with additional information for Geise Dental Huntsville Pllc, a provider established in Huntsville, Alabama operating as a Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1679401459 assigned on May 2026. The practitioner's primary taxonomy code is 1223G0001X. The provider is registered as an organization and their NPI record was last updated May 2026. 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 authorized official of this NPI record is Dr. William Robert Jennings Dds (Owner)

NPI
1679401459
Provider Name
GEISE DENTAL HUNTSVILLE PLLC
Entity Type
Organization
Location Address
1111 GLENEAGLES DR SW STE A HUNTSVILLE, AL 35801
Location Phone
(972) 248-1221
Mailing Address
2109 COMMERCE ST STE 200 DALLAS, TX 75201
Mailing Phone
(972) 248-1221
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-12-2026
Last Update Date
05-14-2026
Code Navigator

A dentist like Geise Dental Huntsville Pllc is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

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

Dentist General Practice

Taxonomy Code
1223G0001X
Type
Dental Providers
Taxonomy Description
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

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. WILLIAM ROBERT JENNINGS DDS

Authorized Official Title
OWNER
Authorized Official Phone
(940) 206-8956

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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 1679401459, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
7
Doubled → 14 → 1 + 4
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
0
Unchanged
Pos 7
1
Doubled → 2
Pos 8
4
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
9
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 7 → 14 → 5 4 → 8 1 → 2 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 4 + 9 + 8 + 0 + 2 + 4 + 1 + 0 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1679401459.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Dentist (General Practice)
1111 GLENEAGLES DR SW STE A
HUNTSVILLE, AL 35801
Dentist (General Practice)
1111 GLENEAGLES DR SW STE A
HUNTSVILLE, AL 35801

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1679401459, enumerated as an "organization" on May 12, 2026.

The provider is located at 1111 GLENEAGLES DR SW STE A HUNTSVILLE, AL 35801 and the phone number is (972) 248-1221.

Dentist with taxonomy code 1223G0001X and a focus in General Practice.