MS. JOANNE MARGUERITE DUCOMMUN RN, BSN
NPI 1568564961
Registered Nurse - General Practice in Saint Paul, MN

NPI Status: Active since September 05, 2006

Contact Information

225 SMITH AVE N
ST. PAUL HEART CLINIC,SUITE 400
SAINT PAUL, MN
ZIP 55102
Phone: (651) 292-0616

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NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Individual
  • Female
  • Registered Nurse
  • General Practice

About JOANNE DUCOMMUN

This page provides the complete NPI Profile along with additional information for Joanne Ducommun, a provider established in Saint Paul, Minnesota with a medical specialization in Registered Nurse, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1568564961 assigned on September 2006. The practitioner's primary taxonomy code is 163WG0000X with license number R085971-4 (MN). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1568564961
Provider Name
MS. JOANNE MARGUERITE DUCOMMUN RN, BSN
Other Name
MS. JOANNE MARGUERITE TOLLEFSRUD RN, BSN
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
225 SMITH AVE N ST. PAUL HEART CLINIC,SUITE 400 SAINT PAUL, MN 55102
Location Phone
(651) 292-0616
Mailing Address
13105 OAKLAND DR BURNSVILLE, MN 55337
Mailing Phone
(952) 894-6633
Is Sole Proprietor?
No
Enumeration Date
09-05-2006
Last Update Date
07-08-2007
Code Navigator

A registered nurse (RN) like Joanne Ducommun coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.

Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.

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

Registered Nurse General Practice

Taxonomy Code
163WG0000X
Type
Nursing Service Providers
License No.
R085971-4
License State
MN

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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 1568564961, 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
5
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
8
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
6
Unchanged
Pos 7
4
Doubled → 8
Pos 8
9
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 5 → 10 → 1 4 → 8 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 2 + 8 + 1 + 0 + 6 + 8 + 9 + 1 + 2 + 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 1568564961.

Other Providers at the Same Location


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

Internal Medicine (Cardiovascular Disease)
225 SMITH AVE N, SUITE 400
SAINT PAUL, MN 55102
Internal Medicine (Cardiovascular Disease)
225 SMITH AVE N, SUITE 500
SAINT PAUL, MN 55102
Neurological Surgery
225 SMITH AVE N, SUITE 200
SAINT PAUL, MN 55102
Internal Medicine (Cardiovascular Disease)
225 SMITH AVE N, SUITE 500
SAINT PAUL, MN 55102
Internal Medicine (Cardiovascular Disease)
225 SMITH AVE N, SUITE 500
SAINT PAUL, MN 55102
Internal Medicine (Cardiovascular Disease)
225 SMITH AVE N, SUITE 400
SAINT PAUL, MN 55102
Internal Medicine (Cardiovascular Disease)
225 SMITH AVE N, STE 400
SAINT PAUL, MN 55102
Internal Medicine (Cardiovascular Disease)
225 SMITH AVE N, SUITE 500
SAINT PAUL, MN 55102
Internal Medicine (Cardiovascular Disease)
225 SMITH AVE N, SUITE 500
SAINT PAUL, MN 55102
Surgery
225 SMITH AVE N, SUITE 200
SAINT PAUL, MN 55102
Neurological Surgery
225 SMITH AVE N, SUITE 200 NASSEFF SPECIALTY CENTER
SAINT PAUL, MN 55102
Neurological Surgery
225 SMITH AVE N, SUITE 200
SAINT PAUL, MN 55102
Clinic/Center (Multi-Specialty)
225 SMITH AVE N, SUITE 300
SAINT PAUL, MN 55102
Psychiatry & Neurology (Neurology)
225 SMITH AVE N, SUITE 201
SAINT PAUL, MN 55102
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
225 SMITH AVE N, SUITE 201
SAINT PAUL, MN 55102
Clinical Neuropsychologist
225 SMITH AVE N, SUITE 201
SAINT PAUL, MN 55102
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
225 SMITH AVE N, SUITE 201
SAINT PAUL, MN 55102
Registered Nurse
225 SMITH AVE N
SAINT PAUL, MN 55102
Registered Nurse
225 SMITH AVE N, SUITE 500
SAINT PAUL, MN 55102
Registered Nurse
225 SMITH AVE N, SUITE 400
SAINT PAUL, MN 55102

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1568564961, enumerated as an "individual" on September 05, 2006.

The provider is located at 225 SMITH AVE N ST. PAUL HEART CLINIC,SUITE 400 SAINT PAUL, MN 55102 and the phone number is (651) 292-0616.

Registered Nurse with taxonomy code 163WG0000X and a focus in General Practice.