MARGARET H IRVIN DDS
NPI 1710909130
Dentist - General Practice in Washington, DC

NPI Status: Active since July 24, 2006

Contact Information

4545 42ND ST NW
SUITE 108
WASHINGTON, DC
ZIP 20016
Phone: (202) 244-6650
Fax: (202) 244-9603

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  • Individual
  • Female
  • Dentist
  • General Practice

About MARGARET IRVIN

This page provides the complete NPI Profile along with additional information for Margaret Irvin, a provider established in Washington, District Of Columbia with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1710909130 assigned on July 2006. The practitioner's primary taxonomy code is 1223G0001X with license number DEN4523 (DC). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1710909130
Provider Name
MARGARET H IRVIN DDS
Gender
Female
Entity Type
Individual
Location Address
4545 42ND ST NW SUITE 108 WASHINGTON, DC 20016
Location Phone
(202) 244-6650
Location Fax
(202) 244-9603
Mailing Address
4545 42ND ST NW SUITE 108 WASHINGTON, DC 20016
Mailing Phone
(202) 244-6650
Mailing Fax
(202) 244-9603
Is Sole Proprietor?
No
Enumeration Date
07-24-2006
Last Update Date
07-08-2007
Code Navigator

A dentist like Margaret Irvin 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.
DEN4523
License State
DC
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 1710909130, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
7
Unchanged
Pos 3
1
Doubled → 2
Pos 4
0
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
1
Unchanged
Pos 9
3
Doubled → 6
Check
0
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 9 → 18 → 9 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 2 + 0 + 1 + 8 + 0 + 1 + 8 + 1 + 6 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1710909130.

Other Providers at the Same Location


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

Social Worker (Clinical)
4545 42ND ST NW, #212
WASHINGTON, DC 20016
Dentist (General Practice)
4545 42ND ST NW, SUITE 108
WASHINGTON, DC 20016
Pediatrics (Pediatric Cardiology)
4545 42ND ST NW, SUITE 308
WASHINGTON, DC 20016
Psychologist
4545 42ND ST NW, SUITE 300
WASHINGTON, DC 20016
Psychologist (Clinical)
4545 42ND ST NW, SUITE 302
WASHINGTON, DC 20016
Social Worker (Clinical)
4545 42ND ST NW, SUITE 207
WASHINGTON, DC 20016
Social Worker (Clinical)
4545 42ND ST NW, SUITE 302
WASHINGTON, DC 20016
Social Worker (Clinical)
4545 42ND ST NW, SUITE 204
WASHINGTON, DC 20016
Psychologist
4545 42ND ST NW, SUITE 212
WASHINGTON, DC 20016
Social Worker (Clinical)
4545 42ND ST NW, STE 304
WASHINGTON, DC 20016
Psychologist (Clinical)
4545 42ND ST NW, SUITE 204
WASHINGTON, DC 20016
Psychiatry & Neurology (Psychiatry)
4545 42ND ST NW, SUITE 212
WASHINGTON, DC 20016
Psychologist
4545 42ND ST NW, SUITE 300
WASHINGTON, DC 20016
Registered Nurse (Psychiatric/Mental Health, Adult)
4545 42ND ST NW, SUITE 204
WASHINGTON, DC 20016
Counselor (Professional)
4545 42ND ST NW, SUITE 302
WASHINGTON, DC 20016
Psychologist (Clinical)
4545 42ND ST NW, SUITE 302
WASHINGTON, DC 20016
Psychologist (Clinical)
4545 42ND ST NW, SUITE 204
WASHINGTON, DC 20016
Social Worker (Clinical)
4545 42ND ST NW, SUITE 304
WASHINGTON, DC 20016
Social Worker (Clinical)
4545 42ND ST NW, SUITE 200
WASHINGTON, DC 20016
Psychologist (Clinical)
4545 42ND ST NW, SUITE 202
WASHINGTON, DC 20016

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1710909130, enumerated as an "individual" on July 24, 2006.

The provider is located at 4545 42ND ST NW SUITE 108 WASHINGTON, DC 20016 and the phone number is (202) 244-6650.

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