JOHN PAUL NOTAR-FRANCESCO MD
NPI 1316928948
Radiology - Diagnostic Ultrasound in Essex, CT

NPI Status: Active since November 10, 2005

Contact Information

9 WILDWOOD MEDICAL CTR
ESSEX, CT
ZIP 06426
Phone: (860) 767-7149
Fax: (860) 767-1943

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  • Individual
  • Male
  • Radiology
  • Diagnostic Ultrasound

About JOHN NOTAR-FRANCESCO

This page provides the complete NPI Profile along with additional information for John Notar-francesco, a provider established in Essex, Connecticut with a medical specialization in Radiology, focusing in diagnostic ultrasound . The healthcare provider is registered in the NPI registry with number 1316928948 assigned on November 2005. The practitioner's primary taxonomy code is 2085U0001X with license number 025936 (CT). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1316928948
Provider Name
JOHN PAUL NOTAR-FRANCESCO MD
Gender
Male
Entity Type
Individual
Location Address
9 WILDWOOD MEDICAL CTR ESSEX, CT 06426
Location Phone
(860) 767-7149
Location Fax
(860) 767-1943
Mailing Address
9 WILDWOOD MEDICAL CTR ESSEX, CT 06426
Mailing Phone
(860) 767-7149
Mailing Fax
(860) 767-1943
Is Sole Proprietor?
Yes
Enumeration Date
11-10-2005
Last Update Date
09-11-2025
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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 Diagnostic Ultrasound

Taxonomy Code
2085U0001X
Type
Allopathic & Osteopathic Physicians
License No.
025936
License State
CT
Taxonomy Description
A Radiology doctor of Osteopathy that specializes in Diagnostic Ultrasound.

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)
12085R0202XAllopathic & Osteopathic Physicians

Radiology
Diagnostic Radiology

025936 (CT)

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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 1316928948, 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 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
3
Unchanged
Pos 3
1
Doubled → 2
Pos 4
6
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
2
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
4
Doubled → 8
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 1 → 2 9 → 18 → 9 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 2 + 6 + 1 + 8 + 2 + 1 + 6 + 9 + 8 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1316928948.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Family Medicine
9 WILDWOOD MEDICAL CTR
ESSEX, CT 06426
Preferred Provider Organization
9 WILDWOOD MEDICAL CTR
ESSEX, CT 06426

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1316928948, enumerated as an "individual" on November 10, 2005.

The provider is located at 9 WILDWOOD MEDICAL CTR ESSEX, CT 06426 and the phone number is (860) 767-7149.

Radiology with taxonomy code 2085U0001X and a focus in Diagnostic Ultrasound.