DR. MICHELLE MADDEN MB BCH BAO
NPI 1750921045
Internal Medicine - Nephrology in Boston, MA
NPI Status: Active since January 14, 2020
Contact Information
55 FRUIT ST
BOSTON, MA
ZIP 02114
Phone: (617) 726-2000
- Individual
- Female
- Internal Medicine
- Nephrology
About MICHELLE MADDEN
This page provides the complete NPI Profile along with additional information for Michelle Madden, an internist established in Boston, Massachusetts with a medical specialization in Internal Medicine, focusing in nephrology . The healthcare provider is registered in the NPI registry with number 1750921045 assigned on January 2020. The practitioner's primary taxonomy code is 207RN0300X with license number 3018012 (MA). The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1750921045
- Provider Name
- DR. MICHELLE MADDEN MB BCH BAO
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 55 FRUIT ST BOSTON, MA 02114
- Location Phone
- (617) 726-2000
- Mailing Address
- 45 FRANCIS ST BOSTON, MA 02115
- Is Sole Proprietor?
- No
- Enumeration Date
- 01-14-2020
- Last Update Date
- 06-24-2025
- Code Navigator
An internist like Michelle Madden 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
Secondary Locations
- 75 Francis St
Boston, MA 02115
(617) 732-5636
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 Nephrology
- Taxonomy Code
- 207RN0300X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 3018012
- License State
- MA
- Taxonomy Description
- An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
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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 1750921045, 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 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 55 is 60. 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.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1750921045, enumerated as an "individual" on January 14, 2020.
The provider is located at 55 FRUIT ST BOSTON, MA 02114 and the phone number is (617) 726-2000.
Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.
