DR. COLLEEN ANN LARKIN DNP, CPNP-PC
NPI 1669937231
Nurse Practitioner in Oak Lawn, IL

NPI Status: Active since February 07, 2019

Contact Information

4440 W 95TH ST STE 1332H
OAK LAWN, IL
ZIP 60453
Phone: (708) 684-2016
Fax: (708) 684-4808

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  • Individual
  • Female
  • Nurse Practitioner

About COLLEEN LARKIN

This page provides the complete NPI Profile along with additional information for Colleen Larkin, a provider established in Oak Lawn, Illinois with a medical specialization in Nurse Practitioner. The healthcare provider is registered in the NPI registry with number 1669937231 assigned on February 2019. The practitioner's primary taxonomy code is 363L00000X with license number 209-018705 (IL). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1669937231
Provider Name
DR. COLLEEN ANN LARKIN DNP, CPNP-PC
Gender
Female
Entity Type
Individual
Location Address
4440 W 95TH ST STE 1332H OAK LAWN, IL 60453
Location Phone
(708) 684-2016
Location Fax
(708) 684-4808
Mailing Address
29373 NETWORK PL CHICAGO, IL 60673
Mailing Phone
(847) 390-5900
Is Sole Proprietor?
Yes
Enumeration Date
02-07-2019
Last Update Date
01-27-2025
Code Navigator

A nurse practitioner (NP) like Colleen Larkin 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

Secondary Locations

  • 10939 S Troy St
    Chicago, IL 60655
    (773) 858-7980

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

Taxonomy Code
363L00000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
209-018705
License State
IL
Taxonomy Description
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

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)
1363LP0200XPhysician Assistants & Advanced Practice Nursing Providers

Nurse Practitioner
Pediatrics

209018705 (IL)

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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 1669937231, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
6
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
2
Unchanged
Pos 9
3
Doubled → 6
Check
1
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 6 → 12 → 3 9 → 18 → 9 7 → 14 → 5 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 1 + 8 + 3 + 1 + 4 + 2 + 6 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1669937231.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Physician Assistant
4440 W 95TH ST STE 1332H
OAK LAWN, IL 60453
Physician Assistant
4440 W 95TH ST STE 1332H
OAK LAWN, IL 60453
Surgery (Pediatric Surgery)
4440 W 95TH ST STE 1332H
OAK LAWN, IL 60453
Physician Assistant
4440 W 95TH ST STE 1332H
OAK LAWN, IL 60453
Nurse Practitioner (Pediatrics)
4440 W 95TH ST STE 1332H
OAK LAWN, IL 60453
Nurse Practitioner
4440 W 95TH ST STE 1332H
OAK LAWN, IL 60453
Physician Assistant
4440 W 95TH ST STE 1332H
OAK LAWN, IL 60453

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669937231, enumerated as an "individual" on February 07, 2019.

The provider is located at 4440 W 95TH ST STE 1332H OAK LAWN, IL 60453 and the phone number is (708) 684-2016.

Nurse Practitioner with taxonomy code 363L00000X.