PAUL T MURPHY DMD
NPI 1619045507
Dentist - General Practice in N Chelmsford, MA

NPI Status: Active since December 01, 2006

Contact Information

45 PRINCETON STREET
N CHELMSFORD, MA
ZIP 01863
Phone: (978) 251-3912
Fax: (978) 251-8445

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  • Individual
  • Male
  • Dentist
  • General Practice

About PAUL MURPHY

This page provides the complete NPI Profile along with additional information for Paul Murphy, a provider established in N Chelmsford, Massachusetts with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1619045507 assigned on December 2006. The practitioner's primary taxonomy code is 1223G0001X with license number 13407 (MA). The provider is registered as an individual and his NPI record was last updated 10 years ago.

NPI
1619045507
Provider Name
PAUL T MURPHY DMD
Gender
Male
Entity Type
Individual
Location Address
45 PRINCETON STREET N CHELMSFORD, MA 01863
Location Phone
(978) 251-3912
Location Fax
(978) 251-8445
Mailing Address
45 PRINCETON STREET N CHELMSFORD, MA 01863
Mailing Phone
(978) 251-3912
Mailing Fax
(978) 251-8445
Is Sole Proprietor?
Yes
Enumeration Date
12-01-2006
Last Update Date
05-23-2016
Code Navigator

A dentist like Paul Murphy is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

Location Map

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

Dentist General Practice

Taxonomy Code
1223G0001X
Type
Dental Providers
License No.
13407
License State
MA
Taxonomy Description
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

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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 1619045507, 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 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
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
0
Doubled → 0
Pos 6
4
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
5
Unchanged
Pos 9
0
Doubled → 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 1 → 2 0 → 0 5 → 10 → 1 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 2 + 9 + 0 + 4 + 1 + 0 + 5 + 0 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1619045507.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619045507, enumerated as an "individual" on December 01, 2006.

The provider is located at 45 PRINCETON STREET N CHELMSFORD, MA 01863 and the phone number is (978) 251-3912.

Dentist with taxonomy code 1223G0001X and a focus in General Practice.