DR. DONALD E. WILLIAMSON M.D.
NPI 1205002193
Preventive Medicine - Public Health & General Preventive Medicine in Montgomery, AL
NPI Status: Active since May 01, 2008
Contact Information
201 MONROE ST
ALA. DEPT. OF PUBLIC HEALTH; THE RSA TOWER, SUITE 1552
MONTGOMERY, AL
ZIP 36104
Phone: (334) 206-5200
Fax: (334) 206-2008
- Individual
- Male
- Preventive Medicine
- Public Health & General Preventive Medic...
About DONALD WILLIAMSON
This page provides the complete NPI Profile along with additional information for Donald Williamson, a provider established in Montgomery, Alabama with a medical specialization in Preventive Medicine, focusing in public health & general preventive medicine . The healthcare provider is registered in the NPI registry with number 1205002193 assigned on May 2008. The practitioner's primary taxonomy code is 2083P0901X with license number 12781 (AL). The provider is registered as an individual and his NPI record was last updated 18 years ago.
- NPI
- 1205002193
- Provider Name
- DR. DONALD E. WILLIAMSON M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 201 MONROE ST ALA. DEPT. OF PUBLIC HEALTH; THE RSA TOWER, SUITE 1552 MONTGOMERY, AL 36104
- Location Phone
- (334) 206-5200
- Location Fax
- (334) 206-2008
- Mailing Address
- 201 MONROE ST ALA. DEPT. OF PUBLIC HEALTH; THE RSA TOWER; SUITE 1552 MONTGOMERY, AL 36104
- Mailing Phone
- (334) 206-5200
- Mailing Fax
- (334) 206-2008
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-01-2008
- Last Update Date
- 05-01-2008
- 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
Preventive Medicine Public Health & General Preventive Medicine
- Taxonomy Code
- 2083P0901X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 12781
- License State
- AL
- Taxonomy Description
- Public health and general preventive medicine focuses on promoting health, preventing disease, and managing the health of communities and defined populations. These practitioners combine population-based public health skills with knowledge of primary, secondary, and tertiary prevention-oriented clinical practice in a wide variety of settings.
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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 1205002193, we treat the final digit (3) 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 3).
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 47 is 50. The difference is the calculated check digit.
Other Providers at the Same Location
The following 9 providers are registered at the same or a nearby location.
MONTGOMERY, AL 36104
MONTGOMERY, AL 36104
MONTGOMERY, AL 36104
MONTGOMERY, AL 36104
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1205002193, enumerated as an "individual" on May 01, 2008.
The provider is located at 201 MONROE ST ALA. DEPT. OF PUBLIC HEALTH; THE RSA TOWER, SUITE 1552 MONTGOMERY, AL 36104 and the phone number is (334) 206-5200.
Preventive Medicine with taxonomy code 2083P0901X and a focus in Public Health & General Preventive Medicine.
