DR. MATTHEW WINFRED DUNCAN M.D.
NPI 1023137916
Legal Medicine in San Jose, CA
NPI Status: Active since March 29, 2007
Contact Information
1101 S WINCHESTER BLVD
SUITE I-207
SAN JOSE, CA
ZIP 95128
Phone: (408) 248-5665
Fax: (408) 248-5224
- Individual
- Male
- Legal Medicine
About MATTHEW DUNCAN
This page provides the complete NPI Profile along with additional information for Matthew Duncan, a provider established in San Jose, California with a medical specialization in Legal Medicine. The healthcare provider is registered in the NPI registry with number 1023137916 assigned on March 2007. The practitioner's primary taxonomy code is 173000000X with license number C32967 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1023137916
- Provider Name
- DR. MATTHEW WINFRED DUNCAN M.D.
- Other Name Type
- Professional Name (2)
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1101 S WINCHESTER BLVD SUITE I-207 SAN JOSE, CA 95128
- Location Phone
- (408) 248-5665
- Location Fax
- (408) 248-5224
- Mailing Address
- 2059 CAMDEN AVE 331 SAN JOSE, CA 95124
- Mailing Phone
- (408) 926-4775
- Mailing Fax
- (408) 248-5224
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-29-2007
- Last Update Date
- 07-08-2007
- 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
Legal Medicine
- Taxonomy Code
- 173000000X
- Type
- Other Service Providers
- License No.
- C32967
- License State
- CA
- Taxonomy Description
- The specialty areas of medicine concerned with matters of, and relations with, substantive law and legal institutions; such as the conduct of medical examinations at crime scenes, performance of autopsies, giving of expert medical testimony in judicial proceedings, medical treatment of inmates of penal institutions, the practice of trauma medicine in law enforcement settings, and other clinical practice and medical science applications in the fields of law, law enforcement, and corrections.
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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 1023137916, 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 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 54 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.
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1023137916, enumerated as an "individual" on March 29, 2007.
The provider is located at 1101 S WINCHESTER BLVD SUITE I-207 SAN JOSE, CA 95128 and the phone number is (408) 248-5665.
Legal Medicine with taxonomy code 173000000X.
