DR. WILLIAM PATRICK HENNRIKUS MD
NPI 1386135986
Surgery in Bethesda, MD
NPI Status: Active since May 21, 2018
Contact Information
8901 WISCONSIN AVE
BETHESDA, MD
ZIP 20889
Phone: (301) 295-0537
- Individual
- Male
- Surgery
About WILLIAM HENNRIKUS
This page provides the complete NPI Profile along with additional information for William Hennrikus, a provider established in Bethesda, Maryland with a medical specialization in Surgery. The healthcare provider is registered in the NPI registry with number 1386135986 assigned on May 2018. The practitioner's primary taxonomy code is 208600000X with license number 0101268066 (VA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1386135986
- Provider Name
- DR. WILLIAM PATRICK HENNRIKUS MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 8901 WISCONSIN AVE BETHESDA, MD 20889
- Location Phone
- (301) 295-0537
- Mailing Address
- 8901 WISCONSIN AVE BETHESDA, MD 20889
- Mailing Phone
- (301) 295-0537
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-21-2018
- Last Update Date
- 10-17-2025
- Code Navigator
A surgeon like William Hennrikus treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.
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
Surgery
- Taxonomy Code
- 208600000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 0101268066
- License State
- VA
- Taxonomy Description
- A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
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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 1386135986, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).
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 64 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.
BETHESDA, MD 20889
BETHESDA, MD 20889
BETHESDA, MD 20889
BETHESDA, MD 20889
BETHESDA, MD 20889
BETHESDA, MD 20889
BETHESDA, MD 20889
BETHESDA, MD 20889
BETHESDA, MD 20889
BETHESDA, MD 20889
BETHESDA, MD 20889
BETHESDA, MD 20889
BETHESDA, MD 20889
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1386135986, enumerated as an "individual" on May 21, 2018.
The provider is located at 8901 WISCONSIN AVE BETHESDA, MD 20889 and the phone number is (301) 295-0537.
Surgery with taxonomy code 208600000X.
