MS. ERIN DUNCAN M.S.W
NPI 1972854024
Counselor - Mental Health in Portland, OR

NPI Status: Active since September 28, 2012

Contact Information

421 SW OAK ST
SUITE 520
PORTLAND, OR
ZIP 97204
Phone: (503) 988-3999
Fax: (503) 988-4386

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  • Individual
  • Female
  • Counselor
  • Mental Health

About ERIN DUNCAN

This page provides the complete NPI Profile along with additional information for Erin Duncan, a provider established in Portland, Oregon with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1972854024 assigned on September 2012. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an individual and her NPI record was last updated 7 years ago.

NPI
1972854024
Provider Name
MS. ERIN DUNCAN M.S.W
Gender
Female
Entity Type
Individual
Location Address
421 SW OAK ST SUITE 520 PORTLAND, OR 97204
Location Phone
(503) 988-3999
Location Fax
(503) 988-4386
Mailing Address
421 SW OAK ST SUITE 520 PORTLAND, OR 97204
Mailing Phone
(503) 988-3999
Mailing Fax
(503) 988-4386
Is Sole Proprietor?
Yes
Enumeration Date
09-28-2012
Last Update Date
03-18-2019
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A mental health counselor like Erin Duncan provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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

Counselor Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers

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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 1972854024, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
5
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
Unchanged
Pos 9
2
Doubled → 4
Check
4
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 7 → 14 → 5 8 → 16 → 7 4 → 8 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 4 + 2 + 1 + 6 + 5 + 8 + 0 + 4 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1972854024.

Other Providers at the Same Location


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

Marriage & Family Therapist
421 SW OAK ST, STE 520
PORTLAND, OR 97204
Social Worker (Clinical)
421 SW OAK ST, 210
PORTLAND, OR 97204
Case Manager/Care Coordinator
421 SW OAK ST, SUITE 520
PORTLAND, OR 97204
Counselor (Mental Health)
421 SW OAK ST, SUITE 520
PORTLAND, OR 97204
Counselor (Mental Health)
421 SW OAK ST, SUITE 520
PORTLAND, OR 97204
Counselor (School)
421 SW OAK ST, SUITE 520
PORTLAND, OR 97204
Counselor (School)
421 SW OAK ST, SUITE 520
PORTLAND, OR 97204
Counselor (Mental Health)
421 SW OAK ST, SUITE 520
PORTLAND, OR 97204
Case Manager/Care Coordinator
421 SW OAK ST, SUITE 520
PORTLAND, OR 97204
Counselor (School)
421 SW OAK ST, SUITE 520
PORTLAND, OR 97204
Counselor (School)
421 SW OAK ST, SUITE 520
PORTLAND, OR 97204
Counselor (Mental Health)
421 SW OAK ST, SUITE 520
PORTLAND, OR 97204
Counselor (Mental Health)
421 SW OAK ST, SUITE 520
PORTLAND, OR 97204
Case Manager/Care Coordinator
421 SW OAK ST, SUITE 520
PORTLAND, OR 97204
Counselor
421 SW OAK ST, SUITE 520
PORTLAND, OR 97204
Counselor
421 SW OAK ST, SUITE 520
PORTLAND, OR 97204
Social Worker (Clinical)
421 SW OAK ST, 210
PORTLAND, OR 97204
Social Worker
421 SW OAK ST, SUITE 520
PORTLAND, OR 97204
Social Worker (Clinical)
421 SW OAK ST, SUITE 520
PORTLAND, OR 97204
Counselor (School)
421 SW OAK ST, SUITE 520
PORTLAND, OR 97204

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972854024, enumerated as an "individual" on September 28, 2012.

The provider is located at 421 SW OAK ST SUITE 520 PORTLAND, OR 97204 and the phone number is (503) 988-3999.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.