DR. DIEM D NGUYEN MD
NPI 1609858018
Family Medicine in Williamsburg, VA

NPI Status: Active since November 19, 2005

Contact Information

EASTERN STATE HOSPITAL 4601 IRONBOUND RD.
WILLIAMSBURG, VA
ZIP 23187
Phone: (757) 253-7434
Fax: (757) 253-4564

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  • Individual
  • Male
  • Family Medicine

About DIEM NGUYEN

This page provides the complete NPI Profile along with additional information for Diem Nguyen, a primary care provider established in Williamsburg, Virginia with a medical specialization in Family Medicine. The healthcare provider is registered in the NPI registry with number 1609858018 assigned on November 2005. The practitioner's primary taxonomy code is 207Q00000X with license number VA01010411157 (VA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1609858018
Provider Name
DR. DIEM D NGUYEN MD
Gender
Male
Entity Type
Individual
Location Address
EASTERN STATE HOSPITAL 4601 IRONBOUND RD. WILLIAMSBURG, VA 23187
Location Phone
(757) 253-7434
Location Fax
(757) 253-4564
Mailing Address
3024 WHITTAKER ISLAND RD WILLIAMSBURG, VA 23185
Mailing Phone
(757) 253-6531
Is Sole Proprietor?
Yes
Enumeration Date
11-19-2005
Last Update Date
07-08-2007
Code Navigator

A primary care provider (PCP) like Diem Nguyen sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

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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

Family Medicine

Taxonomy Code
207Q00000X
Type
Allopathic & Osteopathic Physicians
License No.
VA01010411157
License State
VA
Taxonomy Description
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

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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 1609858018, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
6
Unchanged
Pos 3
0
Doubled → 0
Pos 4
9
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
5
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
0
Unchanged
Pos 9
1
Doubled → 2
Check
8
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 0 → 0 8 → 16 → 7 8 → 16 → 7 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 0 + 9 + 1 + 6 + 5 + 1 + 6 + 0 + 2 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1609858018.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1609858018, enumerated as an "individual" on November 19, 2005.

The provider is located at EASTERN STATE HOSPITAL 4601 IRONBOUND RD. WILLIAMSBURG, VA 23187 and the phone number is (757) 253-7434.

Family Medicine with taxonomy code 207Q00000X.