DIANE SIEGEL RD
NPI 1649160557
Dietitian, Registered in Hartford, CT

Active since July 03, 2025
282 WASHINGTON ST, HARTFORD, CT 06106(860) 593-0192 Get Directions Write a Review

NPPES record last updated: July 3, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Female
  • Dietitian, Registered

About DIANE SIEGEL

This page provides the complete NPI Profile along with additional information for Diane Siegel, a provider established in Hartford, Connecticut with a medical specialization in Dietitian, Registered. The healthcare provider is registered in the NPI registry with number 1649160557 assigned on July 2025. The practitioner's primary taxonomy code is 133V00000X. The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1649160557
Provider Name
DIANE SIEGEL RD
Gender
Female
Entity Type
Individual
Location Address
282 WASHINGTON ST HARTFORD, CT 06106
Location Phone
(860) 593-0192
Mailing Address
282 WASHINGTON ST HARTFORD, CT 06106
Mailing Phone
(860) 593-0192
Is Sole Proprietor?
No
Enumeration Date
07-03-2025
Last Update Date
07-03-2025
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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
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 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 1649160557, 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 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
6
Unchanged
Pos 3
4
Doubled → 8
Pos 4
9
Unchanged
Pos 5
1
Doubled → 2
Pos 6
6
Unchanged
Pos 7
0
Doubled → 0
Pos 8
5
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 4 → 8 1 → 2 0 → 0 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 8 + 9 + 2 + 6 + 0 + 5 + 1 + 0 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1649160557.

Other Providers at the Same Location


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

Pediatrics (Pediatric Cardiology)
282 WASHINGTON ST, SUITE 2B
HARTFORD, CT 06106
Physician Assistant (Medical)
282 WASHINGTON ST, HARTFORD
HARTFORD, CT 06106
Pediatrics (Pediatric Hematology-Oncology)
282 WASHINGTON ST
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Pediatrics
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Nurse Practitioner (Pediatrics)
282 WASHINGTON ST
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Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
282 WASHINGTON ST
HARTFORD, CT 06106
Nurse Practitioner (Pediatrics)
282 WASHINGTON ST
HARTFORD, CT 06106
Physician Assistant
282 WASHINGTON ST
HARTFORD, CT 06106
Clinical Nurse Specialist (Pediatrics)
282 WASHINGTON ST
HARTFORD, CT 06106
Clinical Nurse Specialist (Pediatrics)
282 WASHINGTON ST
HARTFORD, CT 06106
Pediatrics
282 WASHINGTON ST
HARTFORD, CT 06106
Pediatrics (Neonatal-Perinatal Medicine)
282 WASHINGTON ST
HARTFORD, CT 06106
Surgery
282 WASHINGTON ST
HARTFORD, CT 06106
Pediatrics (Pediatric Hematology-Oncology)
282 WASHINGTON ST
HARTFORD, CT 06106
Pediatrics (Neonatal-Perinatal Medicine)
282 WASHINGTON ST
HARTFORD, CT 06106
Pediatrics (Neonatal-Perinatal Medicine)
282 WASHINGTON ST
HARTFORD, CT 06106
Pediatrics (Neonatal-Perinatal Medicine)
282 WASHINGTON ST
HARTFORD, CT 06106
Nurse Practitioner (Pediatrics)
282 WASHINGTON ST
HARTFORD, CT 06106
Pediatrics
282 WASHINGTON ST
HARTFORD, CT 06106

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649160557, enumerated as an "individual" on July 03, 2025.

The provider is located at 282 WASHINGTON ST HARTFORD, CT 06106 and the phone number is (860) 593-0192.

Dietitian, Registered with taxonomy code 133V00000X.