DR. GREGORY PAUL THOMAS DDS MD
NPI 1992883367
Oral & Maxillofacial Surgery in Chicago, IL
NPI Status: Active since November 01, 2006
Contact Information
676 N SAINT CLAIR ST
SUITE 2280
CHICAGO, IL
ZIP 60611
Phone: (312) 926-2929
Fax: (312) 926-3595
- Individual
- Male
- Oral & Maxillofacial Surgery
About GREGORY THOMAS
This page provides the complete NPI Profile along with additional information for Gregory Thomas, a provider established in Chicago, Illinois with a medical specialization in Oral & Maxillofacial Surgery. The healthcare provider is registered in the NPI registry with number 1992883367 assigned on November 2006. The practitioner's primary taxonomy code is 204E00000X with license number 40497 (CA). The provider is registered as an individual and his NPI record was last updated 15 years ago.
- NPI
- 1992883367
- Provider Name
- DR. GREGORY PAUL THOMAS DDS MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 676 N SAINT CLAIR ST SUITE 2280 CHICAGO, IL 60611
- Location Phone
- (312) 926-2929
- Location Fax
- (312) 926-3595
- Mailing Address
- 676 N SAINT CLAIR ST SUITE 2280 CHICAGO, IL 60611
- Mailing Phone
- (312) 926-2929
- Mailing Fax
- (312) 926-3595
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 11-01-2006
- Last Update Date
- 09-06-2011
- Code Navigator
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
Oral & Maxillofacial Surgery
- Taxonomy Code
- 204E00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 40497
- License State
- CA
- Taxonomy Description
- Oral and maxillofacial surgeons are trained to recognize and treat a wide spectrum of diseases, injuries and defects in the head, neck, face, jaws and the hard and soft tissues of the oral and maxillofacial region. They are also trained to administer anesthesia, and provide care in an office setting. They are trained to treat problems such as the extraction of wisdom teeth, misaligned jaws, tumors and cysts of the jaw and mouth, and to perform dental implant surgery.
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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 1992883367, 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 73 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1992883367, enumerated as an "individual" on November 01, 2006.
The provider is located at 676 N SAINT CLAIR ST SUITE 2280 CHICAGO, IL 60611 and the phone number is (312) 926-2929.
Oral & Maxillofacial Surgery with taxonomy code 204E00000X.
