DR. FRANCES EMELIA SAM D.D.S.
NPI 1740429646
Dentist - Oral and Maxillofacial Surgery in Washington, DC

NPI Status: Active since February 17, 2009

Contact Information

600 W ST NW RM 424
WASHINGTON, DC
ZIP 20059
Phone: (202) 806-0071

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  • Individual
  • Female
  • Dentist
  • Oral and Maxillofacial Surgery

About FRANCES SAM

This page provides the complete NPI Profile along with additional information for Frances Sam, a provider established in Washington, District Of Columbia with a medical specialization in Dentist, focusing in oral and maxillofacial surgery . The healthcare provider is registered in the NPI registry with number 1740429646 assigned on February 2009. The practitioner's primary taxonomy code is 1223S0112X with license number DEN1000180 (DC). The provider is registered as an individual and her NPI record was last updated 14 years ago.

NPI
1740429646
Provider Name
DR. FRANCES EMELIA SAM D.D.S.
Gender
Female
Entity Type
Individual
Location Address
600 W ST NW RM 424 WASHINGTON, DC 20059
Location Phone
(202) 806-0071
Mailing Address
600 W ST NW # 424 WASHINGTON, DC 20059
Mailing Phone
(202) 806-0071
Is Sole Proprietor?
No
Enumeration Date
02-17-2009
Last Update Date
10-03-2012
Code Navigator

A dentist like Frances Sam 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 Oral and Maxillofacial Surgery

Taxonomy Code
1223S0112X
Type
Dental Providers
License No.
DEN1000180
License State
DC
Taxonomy Description
An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.

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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 1740429646, 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
7
Unchanged
Pos 3
4
Doubled → 8
Pos 4
0
Unchanged
Pos 5
4
Doubled → 8
Pos 6
2
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
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 4 → 8 4 → 8 9 → 18 → 9 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 8 + 2 + 1 + 8 + 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 1740429646.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740429646, enumerated as an "individual" on February 17, 2009.

The provider is located at 600 W ST NW RM 424 WASHINGTON, DC 20059 and the phone number is (202) 806-0071.

Dentist with taxonomy code 1223S0112X and a focus in Oral and Maxillofacial Surgery.