DR. MICHAEL HARLEY SEBASTIAN DMD, MSD, PC
NPI 1891819652
Dentist - Orthodontics and Dentofacial Orthopedics in Atlanta, GA

NPI Status: Active since March 19, 2007

Contact Information

91 W WIEUCA RD NE
SUITE-300
ATLANTA, GA
ZIP 30342
Phone: (404) 303-7400
Fax: (404) 303-1555

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  • Individual
  • Male
  • Dentist
  • Orthodontics and Dentofacial Orthopedics

About MICHAEL SEBASTIAN

This page provides the complete NPI Profile along with additional information for Michael Sebastian, a provider established in Atlanta, Georgia with a medical specialization in Dentist, focusing in orthodontics and dentofacial orthopedics . The healthcare provider is registered in the NPI registry with number 1891819652 assigned on March 2007. The practitioner's primary taxonomy code is 1223X0400X with license number 01072 (GA). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1891819652
Provider Name
DR. MICHAEL HARLEY SEBASTIAN DMD, MSD, PC
Gender
Male
Entity Type
Individual
Location Address
91 W WIEUCA RD NE SUITE-300 ATLANTA, GA 30342
Location Phone
(404) 303-7400
Location Fax
(404) 303-1555
Mailing Address
91 W WIEUCA RD NE SUITE-300 ATLANTA, GA 30342
Mailing Phone
(404) 303-7400
Mailing Fax
(404) 303-1555
Is Sole Proprietor?
Yes
Enumeration Date
03-19-2007
Last Update Date
08-31-2020
Code Navigator

A dentist like Michael Sebastian 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 Orthodontics and Dentofacial Orthopedics

Taxonomy Code
1223X0400X
Type
Dental Providers
License No.
01072
License State
GA
Taxonomy Description
That area of dentistry concerned with the supervision, guidance and correction of the growing or mature dentofacial structures, including those conditions that require movement of teeth or correction of malrelationships and malformations of their related structures and the adjustment of relationships between and among teeth and facial bones by the application of forces and/or the stimulation and redirection of functional forces within the craniofacial complex. Major responsibilities of orthodontic practice include the diagnosis, prevention, interception and treatment of all forms of malocclusion of the teeth and associated alterations in their surrounding structures; the design, application and control of functional and corrective appliances; and the guidance of the dentition and its supporting structures to attain and maintain optimum occlusal relations in physiologic and esthetic harmony among facial and cranial structures.

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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 1891819652, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
6
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
2
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 9 → 18 → 9 8 → 16 → 7 9 → 18 → 9 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 6 + 1 + 1 + 8 + 6 + 1 + 0 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1891819652.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Internal Medicine
91 W WIEUCA RD NE, SUITE 1000
ATLANTA, GA 30342

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891819652, enumerated as an "individual" on March 19, 2007.

The provider is located at 91 W WIEUCA RD NE SUITE-300 ATLANTA, GA 30342 and the phone number is (404) 303-7400.

Dentist with taxonomy code 1223X0400X and a focus in Orthodontics and Dentofacial Orthopedics.