DR. JIANYI ZHANG M.D.
NPI 1093778847
Preventive Medicine - Preventive Medicine/Occupational Environmental Medicine in Front Royal, VA

NPI Status: Active since April 11, 2006

Contact Information

133 N ROYAL AVE
FRONT ROYAL, VA
ZIP 22630
Phone: (540) 636-8888
Fax: (703) 485-2970

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  • Individual
  • Male
  • Preventive Medicine
  • Preventive Medicine/Occupational Environ...

About JIANYI ZHANG

This page provides the complete NPI Profile along with additional information for Jianyi Zhang, a provider established in Front Royal, Virginia with a medical specialization in Preventive Medicine, focusing in preventive medicine/occupational environmental medicine . The healthcare provider is registered in the NPI registry with number 1093778847 assigned on April 2006. The practitioner's primary taxonomy code is 2083P0500X with license number 0101058281 (VA). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1093778847
Provider Name
DR. JIANYI ZHANG M.D.
Gender
Male
Entity Type
Individual
Location Address
133 N ROYAL AVE FRONT ROYAL, VA 22630
Location Phone
(540) 636-8888
Location Fax
(703) 485-2970
Mailing Address
5816 WHITE PEBBLE PATH CLARKSVILLE, MD 21029
Mailing Phone
(443) 535-0280
Mailing Fax
(703) 485-2970
Is Sole Proprietor?
No
Enumeration Date
04-11-2006
Last Update Date
02-20-2020
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Location Map

Secondary Locations

  • 900 S Washington St Ste 112
    Falls Church, VA 22046
    (703) 237-0120

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

Preventive Medicine Preventive Medicine/Occupational Environmental Medicine

Taxonomy Code
2083P0500X
Type
Allopathic & Osteopathic Physicians
License No.
0101058281
License State
VA
Taxonomy Description
A preventive medicine physician who specializes in preventive medicine/occupational-environmental medicine, which is focused on protecting the population from occupational and environmental conditions.

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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 1093778847, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
3
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
7
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
8
Unchanged
Pos 9
4
Doubled → 8
Check
7
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 9 → 18 → 9 7 → 14 → 5 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 0 + 1 + 8 + 3 + 1 + 4 + 7 + 1 + 6 + 8 + 8 + 24 = 73

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1093778847.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1093778847, enumerated as an "individual" on April 11, 2006.

The provider is located at 133 N ROYAL AVE FRONT ROYAL, VA 22630 and the phone number is (540) 636-8888.

Preventive Medicine with taxonomy code 2083P0500X and a focus in Preventive Medicine/Occupational Environmental Medicine.