MARK A SAGER MD
NPI 1245291145
Internal Medicine - Geriatric Medicine in Madison, WI
NPI Status: Active since March 30, 2006
Contact Information
2880 UNIVERSITY AVE
MADISON, WI
ZIP 53705
Phone: (608) 263-7740
Fax: (608) 262-6048
- Individual
- Male
- Internal Medicine
- Geriatric Medicine
About MARK SAGER
This page provides the complete NPI Profile along with additional information for Mark Sager, an internist established in Madison, Wisconsin with a medical specialization in Internal Medicine, focusing in geriatric medicine . The healthcare provider is registered in the NPI registry with number 1245291145 assigned on March 2006. The practitioner's primary taxonomy code is 207RG0300X with license number 19308 (WI). The provider is registered as an individual and his NPI record was last updated 17 years ago.
- NPI
- 1245291145
- Provider Name
- MARK A SAGER MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2880 UNIVERSITY AVE MADISON, WI 53705
- Location Phone
- (608) 263-7740
- Location Fax
- (608) 262-6048
- Mailing Address
- 7974 UW HEALTH CT MIDDLETON, WI 53562
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-30-2006
- Last Update Date
- 04-01-2009
- Code Navigator
An internist like Mark Sager is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
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
Internal Medicine Geriatric Medicine
- Taxonomy Code
- 207RG0300X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 19308
- License State
- WI
- Taxonomy Description
- An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
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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 1245291145, 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 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 65 is 70. 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.
MADISON, WI 53705
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1245291145, enumerated as an "individual" on March 30, 2006.
The provider is located at 2880 UNIVERSITY AVE MADISON, WI 53705 and the phone number is (608) 263-7740.
Internal Medicine with taxonomy code 207RG0300X and a focus in Geriatric Medicine.
