DR. LOUIS G. BRENNAN M.D.
NPI 1154636769
Otolaryngology - Plastic Surgery within the Head & Neck in Laguna Niguel, CA
NPI Status: Active since August 09, 2010
Contact Information
4 LEICESTER CT
LAGUNA NIGUEL, CA
ZIP 92677
Phone: (949) 481-0285
- Individual
- Male
- Otolaryngology
- Plastic Surgery within the Head & Neck
About LOUIS BRENNAN
This page provides the complete NPI Profile along with additional information for Louis Brennan, a provider established in Laguna Niguel, California with a medical specialization in Otolaryngology, focusing in plastic surgery within the head & neck . The healthcare provider is registered in the NPI registry with number 1154636769 assigned on August 2010. The practitioner's primary taxonomy code is 207YX0007X with license number CFE25219 (CA). The provider is registered as an individual and his NPI record was last updated 16 years ago.
- NPI
- 1154636769
- Provider Name
- DR. LOUIS G. BRENNAN M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 4 LEICESTER CT LAGUNA NIGUEL, CA 92677
- Location Phone
- (949) 481-0285
- Mailing Address
- 4 LEICESTER COURT LAGUNA NIGUEL, CA 92677
- Mailing Phone
- (949) 481-0285
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 08-09-2010
- Last Update Date
- 08-09-2010
- Code Navigator
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
Otolaryngology Plastic Surgery within the Head & Neck
- Taxonomy Code
- 207YX0007X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- CFE25219
- License State
- CA
- Taxonomy Description
- An otolaryngologist with additional training in plastic and reconstructive procedures within the head, face, neck and associated structures, including cutaneous head and neck oncology and reconstruction, management of maxillofacial trauma, soft tissue repair and neural surgery. The field is diverse and involves a wide age range of patients, from the newborn to the aged. While both cosmetic and reconstructive surgeries are practiced, there are many additional procedures which interface with them.
Reviews for DR. LOUIS G. BRENNAN M.D.
There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.
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 1154636769, we treat the final digit (9) 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 9).
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 51 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1154636769, enumerated as an "individual" on August 09, 2010.
The provider is located at 4 LEICESTER CT LAGUNA NIGUEL, CA 92677 and the phone number is (949) 481-0285.
Otolaryngology with taxonomy code 207YX0007X and a focus in Plastic Surgery within the Head & Neck.
