JOANNA WATERHOUSE RN, CDE, CPT
NPI 1841668399
Dietitian, Registered in Warrenton, VA

NPI Status: Active since September 14, 2015

Contact Information

493 BLACKWELL RD
SUITE 202
WARRENTON, VA
ZIP 20186
Phone: (540) 347-4400
Fax: (540) 341-8610

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  • Individual
  • Female
  • Dietitian, Registered

About JOANNA WATERHOUSE

This page provides the complete NPI Profile along with additional information for Joanna Waterhouse, a provider established in Warrenton, Virginia with a medical specialization in Dietitian, Registered. The healthcare provider is registered in the NPI registry with number 1841668399 assigned on September 2015. The practitioner's primary taxonomy code is 133V00000X with license number 20410019 (VA). The provider is registered as an individual and her NPI record was last updated 11 years ago.

NPI
1841668399
Provider Name
JOANNA WATERHOUSE RN, CDE, CPT
Gender
Female
Entity Type
Individual
Location Address
493 BLACKWELL RD SUITE 202 WARRENTON, VA 20186
Location Phone
(540) 347-4400
Location Fax
(540) 341-8610
Mailing Address
493 BLACKWELL RD SUITE 202 WARRENTON, VA 20186
Mailing Phone
(540) 347-4400
Mailing Fax
(540) 341-8610
Is Sole Proprietor?
No
Enumeration Date
09-14-2015
Last Update Date
09-14-2015
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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

Dietitian, Registered

Taxonomy Code
133V00000X
Type
Dietary & Nutritional Service Providers
License No.
20410019
License State
VA
Taxonomy Description
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

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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 1841668399, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
8
Unchanged
Pos 3
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
6
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
9
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 4 → 8 6 → 12 → 3 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 1 + 2 + 6 + 1 + 6 + 3 + 1 + 8 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1841668399.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Family Medicine
493 BLACKWELL RD, SUITE 202
WARRENTON, VA 20186
Allergy & Immunology
493 BLACKWELL RD, 305
WARRENTON, VA 20186
Internal Medicine
493 BLACKWELL RD, SUITE 101A
WARRENTON, VA 20186
General Acute Care Hospital
493 BLACKWELL RD
WARRENTON, VA 20186
Orthopaedic Surgery
493 BLACKWELL RD, SUITE 101A
WARRENTON, VA 20186
Home Health
493 BLACKWELL RD, STE 317
WARRENTON, VA 20186
Allergy & Immunology (Allergy)
493 BLACKWELL RD, STE 305
WARRENTON, VA 20186
Pathology (Anatomic Pathology & Clinical Pathology)
493 BLACKWELL RD, SUITE 101A
WARRENTON, VA 20186
Physician Assistant (Medical)
493 BLACKWELL RD, SUITE 202
WARRENTON, VA 20186
Home Health
493 BLACKWELL RD, SUITE 317C
WARRENTON, VA 20186
Pediatrics
493 BLACKWELL RD, SUITE 201
WARRENTON, VA 20186
Chiropractor
493 BLACKWELL RD, STE 350
WARRENTON, VA 20186
Psychologist (Clinical)
493 BLACKWELL RD, SUITE 203
WARRENTON, VA 20186
Chiropractor
493 BLACKWELL RD, SUITE 117
WARRENTON, VA 20186
Specialist
493 BLACKWELL RD, SUITE 202
WARRENTON, VA 20186
Internal Medicine (Sleep Medicine)
493 BLACKWELL RD
WARRENTON, VA 20186
Pediatrics
493 BLACKWELL RD, SUITE 101
WARRENTON, VA 20186
Family Medicine
493 BLACKWELL RD, SUITE 202
WARRENTON, VA 20186
General Practice
493 BLACKWELL RD, STE 202
WARRENTON, VA 20186
Family Medicine
493 BLACKWELL RD, SUITE 202
WARRENTON, VA 20186

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841668399, enumerated as an "individual" on September 14, 2015.

The provider is located at 493 BLACKWELL RD SUITE 202 WARRENTON, VA 20186 and the phone number is (540) 347-4400.

Dietitian, Registered with taxonomy code 133V00000X.