DR. GEOFFREY ALLEN KERCHNER MD, PHD
NPI 1447344122
Psychiatry & Neurology - Behavioral Neurology & Neuropsychiatry in Stanford, CA
NPI Status: Active since October 03, 2006
Contact Information
300 PASTEUR DR
ROOM A343, MC5235
STANFORD, CA
ZIP 94305
Phone: (650) 723-6469
Fax: (650) 723-7434
- Individual
- Male
- Psychiatry & Neurology
- Behavioral Neurology & Neuropsychiatry
About GEOFFREY KERCHNER
This page provides the complete NPI Profile along with additional information for Geoffrey Kerchner, a provider established in Stanford, California with a medical specialization in Psychiatry & Neurology, focusing in behavioral neurology & neuropsychiatry . The healthcare provider is registered in the NPI registry with number 1447344122 assigned on October 2006. The practitioner's primary taxonomy code is 2084B0040X with license number A91535 (CA). The provider is registered as an individual and his NPI record was last updated 13 years ago.
- NPI
- 1447344122
- Provider Name
- DR. GEOFFREY ALLEN KERCHNER MD, PHD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 300 PASTEUR DR ROOM A343, MC5235 STANFORD, CA 94305
- Location Phone
- (650) 723-6469
- Location Fax
- (650) 723-7434
- Mailing Address
- 300 PASTEUR DR ROOM A343, MC5235 STANFORD, CA 94305
- Mailing Phone
- (650) 723-6469
- Mailing Fax
- (650) 723-7434
- Is Sole Proprietor?
- No
- Enumeration Date
- 10-03-2006
- Last Update Date
- 12-12-2013
- 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
Psychiatry & Neurology Behavioral Neurology & Neuropsychiatry
- Taxonomy Code
- 2084B0040X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- A91535
- License State
- CA
- Taxonomy Description
- Behavioral Neurology & Neuropsychiatry is a medical subspecialty involving the diagnosis and treatment of neurologically based behavioral issues.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 2084N0400X | Allopathic & Osteopathic Physicians | Psychiatry & Neurology | A91535 (CA) |
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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 1447344122, 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.
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Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1447344122, enumerated as an "individual" on October 03, 2006.
The provider is located at 300 PASTEUR DR ROOM A343, MC5235 STANFORD, CA 94305 and the phone number is (650) 723-6469.
Psychiatry & Neurology with taxonomy code 2084B0040X and a focus in Behavioral Neurology & Neuropsychiatry.
