DR. JOY DIERKS M.D.
NPI 1164594644
General Practice in Fpo, AE

NPI Status: Active since November 14, 2006

Contact Information

USS EMORY S LAND AS39
MEDICAL DEPARTMENT
FPO, AE
ZIP 09454
Phone:

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  • Individual
  • Female
  • General Practice

About JOY DIERKS

This page provides the complete NPI Profile along with additional information for Joy Dierks, a primary care provider established in Fpo, with a medical specialization in General Practice. The healthcare provider is registered in the NPI registry with number 1164594644 assigned on November 2006. The practitioner's primary taxonomy code is 208D00000X with license number 0101238542 (VA). The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1164594644
Provider Name
DR. JOY DIERKS M.D.
Gender
Female
Entity Type
Individual
Location Address
USS EMORY S LAND AS39 MEDICAL DEPARTMENT FPO, AE 09454
Location Phone
Mailing Address
9300 DEWITT LOOP JOINT MEDICAL READINESS CLINIC FORT BELVOIR, VA 22060
Mailing Phone
(202) 781-1003
Is Sole Proprietor?
No
Enumeration Date
11-14-2006
Last Update Date
10-23-2023
Code Navigator

A primary care provider (PCP) like Joy Dierks 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

General Practice

Taxonomy Code
208D00000X
Type
Allopathic & Osteopathic Physicians
License No.
0101238542
License State
VA
Taxonomy Description
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

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)
12083X0100XAllopathic & Osteopathic Physicians

Preventive Medicine
Occupational Medicine

0101238542 (VA)

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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 1164594644, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
1
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
6
Unchanged
Pos 9
4
Doubled → 8
Check
4
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 6 → 12 → 3 5 → 10 → 1 4 → 8 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 2 + 4 + 1 + 0 + 9 + 8 + 6 + 8 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1164594644.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164594644, enumerated as an "individual" on November 14, 2006.

The provider is located at USS EMORY S LAND AS39 MEDICAL DEPARTMENT FPO, AE 09454 and the phone number is .

General Practice with taxonomy code 208D00000X.