DR. WILLIAM SICKLES HALSEY III M.D.
NPI 1679544472
Otolaryngology - Plastic Surgery within the Head & Neck in La Jolla, CA
NPI Status: Active since January 30, 2006
Contact Information
9834 GENESEE AVE
SUITE 416
LA JOLLA, CA
ZIP 92037
Phone: (858) 458-1287
Fax: (858) 452-9160
- Individual
- Male
- Otolaryngology
- Plastic Surgery within the Head & Neck
About WILLIAM HALSEY
This page provides the complete NPI Profile along with additional information for William Halsey, a provider established in La Jolla, 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 1679544472 assigned on January 2006. The practitioner's primary taxonomy code is 207YX0007X with license number G-30707 (CA). The provider is registered as an individual and his NPI record was last updated 13 years ago.
- NPI
- 1679544472
- Provider Name
- DR. WILLIAM SICKLES HALSEY III M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 9834 GENESEE AVE SUITE 416 LA JOLLA, CA 92037
- Location Phone
- (858) 458-1287
- Location Fax
- (858) 452-9160
- Mailing Address
- 9834 GENESEE AVE SUITE 416 LA JOLLA, CA 92037
- Mailing Phone
- (858) 458-1287
- Mailing Fax
- (858) 452-9160
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 01-30-2006
- Last Update Date
- 11-02-2013
- 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.
- G-30707
- 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.
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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 1679544472, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).
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 68 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.
LA JOLLA, CA 92037
LA JOLLA, CA 92037
LA JOLLA, CA 92037
LA JOLLA, CA 92037
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1679544472, enumerated as an "individual" on January 30, 2006.
The provider is located at 9834 GENESEE AVE SUITE 416 LA JOLLA, CA 92037 and the phone number is (858) 458-1287.
Otolaryngology with taxonomy code 207YX0007X and a focus in Plastic Surgery within the Head & Neck.
