STEPHEN TAYLOR RAGAN MD
NPI 1548416795
Preventive Medicine - Public Health & General Preventive Medicine in Stony Brook, NY
NPI Status: Active since August 07, 2008
Contact Information
101 NICOLLS RD # HSCL3086
STONY BROOK, NY
ZIP 11794
Phone: (631) 444-3902
- Individual
- Male
- Preventive Medicine
- Public Health & General Preventive Medic...
About STEPHEN RAGAN
This page provides the complete NPI Profile along with additional information for Stephen Ragan, a provider established in Stony Brook, New York 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 1548416795 assigned on August 2008. The practitioner's primary taxonomy code is 2083P0901X with license number D0090717 (MD). The provider is registered as an individual and his NPI record was last updated 5 years ago.
- NPI
- 1548416795
- Provider Name
- STEPHEN TAYLOR RAGAN MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 101 NICOLLS RD # HSCL3086 STONY BROOK, NY 11794
- Location Phone
- (631) 444-3902
- Mailing Address
- 3002 FINDLEY RD KENSINGTON, MD 20895
- Mailing Phone
- (706) 627-4607
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 08-07-2008
- Last Update Date
- 09-28-2021
- 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.
- D0090717
- License State
- MD
- 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 1548416795, we treat the final digit (5) 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 5).
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 75 is 80. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1548416795, enumerated as an "individual" on August 07, 2008.
The provider is located at 101 NICOLLS RD # HSCL3086 STONY BROOK, NY 11794 and the phone number is (631) 444-3902.
Preventive Medicine with taxonomy code 2083P0901X and a focus in Public Health & General Preventive Medicine.
