PETER P FEIMER D.D.S.
NPI 1295818656
Dentist - General Practice in Chicago, IL

NPI Status: Active since October 21, 2006

Contact Information

1725 W HARRISON ST
SUITE 717
CHICAGO, IL
ZIP 60612
Phone: (312) 829-4208
Fax: (312) 829-0987

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  • Individual
  • Male
  • Dentist
  • General Practice

About PETER FEIMER

This page provides the complete NPI Profile along with additional information for Peter Feimer, a provider established in Chicago, Illinois with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1295818656 assigned on October 2006. The practitioner's primary taxonomy code is 1223G0001X. The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1295818656
Provider Name
PETER P FEIMER D.D.S.
Gender
Male
Entity Type
Individual
Location Address
1725 W HARRISON ST SUITE 717 CHICAGO, IL 60612
Location Phone
(312) 829-4208
Location Fax
(312) 829-0987
Mailing Address
21W237 GROVE ST ITASCA, IL 60143
Is Sole Proprietor?
No
Enumeration Date
10-21-2006
Last Update Date
07-08-2007
Code Navigator

A dentist like Peter Feimer 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 State
IL
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 1295818656, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
6
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 9 → 18 → 9 8 → 16 → 7 8 → 16 → 7 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 1 + 6 + 1 + 1 + 6 + 6 + 1 + 0 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1295818656.

Other Providers at the Same Location


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

Pediatrics (Pediatric Pulmonology)
1725 W HARRISON ST, SUITE 710
CHICAGO, IL 60612
Otolaryngology
1725 W HARRISON ST, SUITE 340
CHICAGO, IL 60612
Neurological Surgery
1725 W HARRISON ST, SUITE 970
CHICAGO, IL 60612
Neurological Surgery
1725 W HARRISON ST, SUITE 970
CHICAGO, IL 60612
Psychiatry & Neurology (Neurology)
1725 W HARRISON ST, SUITE 1106
CHICAGO, IL 60612
Otolaryngology
1725 W HARRISON ST, SUITE 938
CHICAGO, IL 60612
Obstetrics & Gynecology (Reproductive Endocrinology)
1725 W HARRISON ST, SUITE 408
CHICAGO, IL 60612
Obstetrics & Gynecology (Gynecologic Oncology)
1725 W HARRISON ST, SUITE 1010
CHICAGO, IL 60612
Psychologist (Clinical)
1725 W HARRISON ST, STE 755
CHICAGO, IL 60612
Psychiatry & Neurology (Neurology)
1725 W HARRISON ST, SUITE 718
CHICAGO, IL 60612
Internal Medicine
1725 W HARRISON ST, SUITE 837
CHICAGO, IL 60612
Orthopaedic Surgery
1725 W HARRISON ST, SUITE 370
CHICAGO, IL 60612
Internal Medicine (Hematology)
1725 W HARRISON ST, SUITE 1010
CHICAGO, IL 60612
Internal Medicine (Hematology)
1725 W HARRISON ST, SUITE 1010
CHICAGO, IL 60612
Internal Medicine (Hematology)
1725 W HARRISON ST, SUITE 1010
CHICAGO, IL 60612
Internal Medicine (Hematology)
1725 W HARRISON ST, SUITE 1010
CHICAGO, IL 60612
Internal Medicine (Medical Oncology)
1725 W HARRISON ST, SUITE 855
CHICAGO, IL 60612
Internal Medicine (Medical Oncology)
1725 W HARRISON ST, SUITE 1010
CHICAGO, IL 60612
Internal Medicine (Medical Oncology)
1725 W HARRISON ST, SUITE 1010
CHICAGO, IL 60612
Nurse Practitioner
1725 W HARRISON ST, SUITE 1010
CHICAGO, IL 60612

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295818656, enumerated as an "individual" on October 21, 2006.

The provider is located at 1725 W HARRISON ST SUITE 717 CHICAGO, IL 60612 and the phone number is (312) 829-4208.

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