DR. CHRISTOPHER ANDREW WIDMER D.D.S.
NPI 1023397163
Dentist - Endodontics in Naples, FL

NPI Status: Active since August 08, 2011

Contact Information

4959 CASTELLO DR
NAPLES, FL
ZIP 34103
Phone: (239) 262-2677
Fax: (239) 261-2670

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  • Individual
  • Male
  • Dentist
  • Endodontics

About CHRISTOPHER WIDMER

This page provides the complete NPI Profile along with additional information for Christopher Widmer, a provider established in Naples, Florida with a medical specialization in Dentist, focusing in endodontics . The healthcare provider is registered in the NPI registry with number 1023397163 assigned on August 2011. The practitioner's primary taxonomy code is 1223E0200X with license number DN20965 (FL). The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI
1023397163
Provider Name
DR. CHRISTOPHER ANDREW WIDMER D.D.S.
Gender
Male
Entity Type
Individual
Location Address
4959 CASTELLO DR NAPLES, FL 34103
Location Phone
(239) 262-2677
Location Fax
(239) 261-2670
Mailing Address
1735 OAKES BLVD NAPLES, FL 34119
Mailing Phone
(301) 801-6428
Is Sole Proprietor?
No
Enumeration Date
08-08-2011
Last Update Date
11-20-2018
Code Navigator

A dentist like Christopher Widmer 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

Secondary Locations

  • 238 Brookley Ave SW
    Bolling AFB, DC 20032
    (202) 404-5519
  • 238 Brookley Ave SW
    Bolling AFB, DC 20032
    (202) 404-5519
  • 923 Del Prado Blvd S Ste 103
    Cape Coral, FL 33990
    (239) 482-5311
  • 6323 Corporate Ct Ste A
    Fort Myers, FL 33919
    (239) 482-5311

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 Endodontics

Taxonomy Code
1223E0200X
Type
Dental Providers
License No.
DN20965
License State
FL
Taxonomy Description
The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.

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)
1122300000XDental Providers

Dentist

15101 (MD)

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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 1023397163, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
0
Unchanged
Pos 3
2
Doubled → 4
Pos 4
3
Unchanged
Pos 5
3
Doubled → 6
Pos 6
9
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
1
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
3
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 2 → 4 3 → 6 7 → 14 → 5 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 4 + 3 + 6 + 9 + 1 + 4 + 1 + 1 + 2 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1023397163.

Other Providers at the Same Location


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

Dentist (Endodontics)
4959 CASTELLO DR
NAPLES, FL 34103
Clinic/Center (Dental)
4959 CASTELLO DR
NAPLES, FL 34103

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1023397163, enumerated as an "individual" on August 08, 2011.

The provider is located at 4959 CASTELLO DR NAPLES, FL 34103 and the phone number is (239) 262-2677.

Dentist with taxonomy code 1223E0200X and a focus in Endodontics.