SANNIDHI CHIRAG DEWAN MD
NPI 1982480646
Radiology - Pediatric Radiology in Wilmington, DE

NPI Status: Active since September 07, 2023

Contact Information

1600 ROCKLAND RD
WILMINGTON, DE
ZIP 19803
Phone: (302) 651-4200
Fax: (302) 651-4945

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  • Individual
  • Female
  • Radiology
  • Pediatric Radiology

About SANNIDHI DEWAN

This page provides the complete NPI Profile along with additional information for Sannidhi Dewan, a provider established in Wilmington, Delaware with a medical specialization in Radiology, focusing in pediatric radiology . The healthcare provider is registered in the NPI registry with number 1982480646 assigned on September 2023. The practitioner's primary taxonomy code is 2085P0229X with license number C1-0028440 (DE). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1982480646
Provider Name
SANNIDHI CHIRAG DEWAN MD
Gender
Female
Entity Type
Individual
Location Address
1600 ROCKLAND RD WILMINGTON, DE 19803
Location Phone
(302) 651-4200
Location Fax
(302) 651-4945
Mailing Address
PO BOX 191 ROCKLAND, DE 19732
Mailing Phone
(302) 651-4200
Mailing Fax
(302) 651-4945
Is Sole Proprietor?
No
Enumeration Date
09-07-2023
Last Update Date
10-09-2025
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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

Radiology Pediatric Radiology

Taxonomy Code
2085P0229X
Type
Allopathic & Osteopathic Physicians
License No.
C1-0028440
License State
DE
Taxonomy Description
A radiologist who is proficient in all forms of diagnostic imaging as it pertains to the treatment of diseases in the newborn, infant, child and adolescent. This specialist has knowledge of both imaging and interventional procedures related to the care and management of diseases of children. A pediatric radiologist must be highly knowledgeable of all organ systems as they relate to growth and development, congenital malformations, diseases peculiar to infants and children and diseases that begin in childhood but cause substantial residual impairment in adulthood.

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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 1982480646, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 6 + 2 + 8 + 8 + 0 + 6 + 8 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1982480646.

Other Providers at the Same Location


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

Physician Assistant
1600 ROCKLAND RD
WILMINGTON, DE 19803
Emergency Medicine (Pediatric Emergency Medicine)
1600 ROCKLAND RD, AI DUPONT HOSPITAL FOR CHILDREN
WILMINGTON, DE 19803
Physician Assistant
1600 ROCKLAND RD, DEPARTMENT OF ORTHOPEDICS, DUPONT HOSPITAL
WILMINGTON, DE 19803
Pediatrics (Pediatric Emergency Medicine)
1600 ROCKLAND RD
WILMINGTON, DE 19803
Audiologist
1600 ROCKLAND RD, AUDIOLOGY DEPARTMENT
WILMINGTON, DE 19803
Pharmacist
1600 ROCKLAND RD
WILMINGTON, DE 19803
Pediatrics (Pediatric Infectious Diseases)
1600 ROCKLAND RD
WILMINGTON, DE 19803
Pediatrics
1600 ROCKLAND RD
WILMINGTON, DE 19803
Pharmacist
1600 ROCKLAND RD, DUPONT HOSPITAL FOR CHILDREN
WILMINGTON, DE 19803
Pharmacist
1600 ROCKLAND RD
WILMINGTON, DE 19803
Social Worker (Clinical)
1600 ROCKLAND RD, A.I. DUPONT HOSPITAL FOR CHILDREN
WILMINGTON, DE 19803
Medical Genetics (Clinical Genetics (M.D.))
1600 ROCKLAND RD, MEDICAL GENETICS
WILMINGTON, DE 19803
Pediatrics
1600 ROCKLAND RD, A. I. DUPONT HOSPITAL FOR CHILDREN
WILMINGTON, DE 19803
Nurse Practitioner (Pediatrics)
1600 ROCKLAND RD
WILMINGTON, DE 19803
Radiology (Pediatric Radiology)
1600 ROCKLAND RD, DEPARTMENT OF RADIOLOGY, A.I DUPONT CHILDREN'S HOSPITAL
WILMINGTON, DE 19803
Audiologist
1600 ROCKLAND RD
WILMINGTON, DE 19803
Audiologist
1600 ROCKLAND RD, AUDIOLOGY DEPARTMENT
WILMINGTON, DE 19803
Speech-Language Pathologist
1600 ROCKLAND RD
WILMINGTON, DE 19803
Speech-Language Pathologist
1600 ROCKLAND RD
WILMINGTON, DE 19803
Speech-Language Pathologist
1600 ROCKLAND RD
WILMINGTON, DE 19803

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1982480646, enumerated as an "individual" on September 07, 2023.

The provider is located at 1600 ROCKLAND RD WILMINGTON, DE 19803 and the phone number is (302) 651-4200.

Radiology with taxonomy code 2085P0229X and a focus in Pediatric Radiology.