DR. TIM ZHANXIANG SHI MD, PHD
NPI 1396696902
Specialist - Research Study in Frederick, MD
NPI Status: Active since February 09, 2026
Contact Information
3914 ADDISON WOODS RD
FREDERICK, MD
ZIP 21704
Phone: (410) 788-4006
Fax: (410) 788-4006
- Individual
- Male
- Specialist
- Research Study
About TIM SHI
This page provides the complete NPI Profile along with additional information for Tim Shi, a provider established in Frederick, Maryland with a medical specialization in Specialist, focusing in research study . The healthcare provider is registered in the NPI registry with number 1396696902 assigned on February 2026. The practitioner's primary taxonomy code is 1744R1102X. The provider is registered as an individual and his NPI record was last updated February 2026.
- NPI
- 1396696902
- Provider Name
- DR. TIM ZHANXIANG SHI MD, PHD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 3914 ADDISON WOODS RD FREDERICK, MD 21704
- Location Phone
- (410) 788-4006
- Location Fax
- (410) 788-4006
- Mailing Address
- 3914 ADDISON WOODS RD FREDERICK, MD 21704
- Mailing Phone
- (410) 788-4006
- Mailing Fax
- (410) 788-4006
- Is Sole Proprietor?
- No
- Enumeration Date
- 02-09-2026
- Last Update Date
- 02-09-2026
- 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
Specialist Research Study
- Taxonomy Code
- 1744R1102X
- Type
- Other Service Providers
- License State
- MD
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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 1396696902, 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.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1396696902, enumerated as an "individual" on February 09, 2026.
The provider is located at 3914 ADDISON WOODS RD FREDERICK, MD 21704 and the phone number is (410) 788-4006.
Specialist with taxonomy code 1744R1102X and a focus in Research Study.
