DR. HENRY BRANDIS MARSH M.D.
NPI 1801808894
Internal Medicine - Cardiovascular Disease in Washington, DC
NPI Status: Active since August 11, 2006
Contact Information
106 IRVING ST NW
SUITE 116 SOUTH
WASHINGTON, DC
ZIP 20010
Phone: (202) 882-7000
Fax: (202) 723-4029
- Individual
- Male
- Internal Medicine
- Cardiovascular Disease
About HENRY MARSH
This page provides the complete NPI Profile along with additional information for Henry Marsh, an internist established in Washington, District Of Columbia with a medical specialization in Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1801808894 assigned on August 2006. The practitioner's primary taxonomy code is 207RC0000X with license number MD25733 (DC). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1801808894
- Provider Name
- DR. HENRY BRANDIS MARSH M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 106 IRVING ST NW SUITE 116 SOUTH WASHINGTON, DC 20010
- Location Phone
- (202) 882-7000
- Location Fax
- (202) 723-4029
- Mailing Address
- 106 IRVING ST NW SUITE 116 SOUTH WASHINGTON, DC 20010
- Mailing Phone
- (202) 882-7000
- Mailing Fax
- (202) 723-4029
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 08-11-2006
- Last Update Date
- 07-08-2007
- Code Navigator
An internist like Henry Marsh 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 Cardiovascular Disease
- Taxonomy Code
- 207RC0000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- MD25733
- License State
- DC
- Taxonomy Description
- An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
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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 1801808894, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).
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 66 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
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Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1801808894, enumerated as an "individual" on August 11, 2006.
The provider is located at 106 IRVING ST NW SUITE 116 SOUTH WASHINGTON, DC 20010 and the phone number is (202) 882-7000.
Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.
