MICHAEL J O'BRIEN MD
NPI 1144203241
Internal Medicine in La Crosse, WI
NPI Status: Active since November 22, 2005
Contact Information
700 WEST AVE S
LA CROSSE, WI
ZIP 54601
Phone: (608) 785-0940
- Individual
- Male
- Internal Medicine
About MICHAEL O'BRIEN
This page provides the complete NPI Profile along with additional information for Michael O'brien, an internist established in La Crosse, Wisconsin with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1144203241 assigned on November 2005. The practitioner's primary taxonomy code is 207R00000X with license number 29161 (WI). The provider is registered as an individual and his NPI record was last updated 6 years ago.
- NPI
- 1144203241
- Provider Name
- MICHAEL J O'BRIEN MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 700 WEST AVE S LA CROSSE, WI 54601
- Location Phone
- (608) 785-0940
- Mailing Address
- PO BOX 1510 EAU CLAIRE, WI 54702
- Mailing Phone
- (608) 785-0940
- Is Sole Proprietor?
- No
- Enumeration Date
- 11-22-2005
- Last Update Date
- 01-20-2020
- Code Navigator
An internist like Michael O'brien 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
- Taxonomy Code
- 207R00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 29161
- License State
- WI
- Taxonomy Description
- A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
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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 1144203241, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).
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 59 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.
LA CROSSE, WI 54601
LA CROSSE, WI 54601
LACROSSE, WI 54601
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1144203241, enumerated as an "individual" on November 22, 2005.
The provider is located at 700 WEST AVE S LA CROSSE, WI 54601 and the phone number is (608) 785-0940.
Internal Medicine with taxonomy code 207R00000X.
