Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

CHRISTINE FURMANEK FEIGHERY APN-CNP
NPI 1114916467
Nurse Practitioner - Adult Health in Elk Grove Village, IL

Active since October 19, 2005
850 BIESTERFIELD RD, SUITE 4011, ELK GROVE VILLAGE, IL 60007(847) 981-3694(847) 981-6508 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Female
  • Nurse Practitioner
  • Adult Health

About CHRISTINE FEIGHERY

This page provides the complete NPI Profile along with additional information for Christine Feighery, a provider established in Elk Grove Village, Illinois with a medical specialization in Nurse Practitioner, focusing in adult health . The healthcare provider is registered in the NPI registry with number 1114916467 assigned on October 2005. The practitioner's primary taxonomy code is 363LA2200X. The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1114916467
Provider Name
CHRISTINE FURMANEK FEIGHERY APN-CNP
Gender
Female
Entity Type
Individual
Location Address
850 BIESTERFIELD RD SUITE 4011 ELK GROVE VILLAGE, IL 60007
Location Phone
(847) 981-3694
Location Fax
(847) 981-6508
Mailing Address
850 BIESTERFIELD RD SUITE 4011 ELK GROVE VILLAGE, IL 60007
Mailing Phone
(847) 981-3694
Mailing Fax
(847) 981-6508
Is Sole Proprietor?
No
Enumeration Date
10-19-2005
Last Update Date
07-13-2026
Code Navigator

A nurse practitioner (NP) like Christine Feighery is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

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

Nurse Practitioner Adult Health

Taxonomy Code
363LA2200X
Type
Physician Assistants & Advanced Practice Nursing Providers
License State
IL

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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 1114916467, 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
1
Unchanged
Pos 3
1
Doubled → 2
Pos 4
4
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
1
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
4
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 9 → 18 → 9 6 → 12 → 3 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 2 + 4 + 1 + 8 + 1 + 1 + 2 + 4 + 1 + 2 + 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 1114916467.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1114916467, enumerated as an "individual" on October 19, 2005.

The provider is located at 850 BIESTERFIELD RD SUITE 4011 ELK GROVE VILLAGE, IL 60007 and the phone number is (847) 981-3694.

Nurse Practitioner with taxonomy code 363LA2200X and a focus in Adult Health.