MR. ERVIN R. SIVERSON LCSW
NPI 1669648630
Social Worker - Clinical in Portland, OR

NPI Status: Active since April 30, 2008

Contact Information

500 NE MULTNOMAH ST
SUITE 100
PORTLAND, OR
ZIP 97232
Phone: (503) 813-2000

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  • Individual
  • Male
  • Social Worker
  • Clinical

About ERVIN SIVERSON

This page provides the complete NPI Profile along with additional information for Ervin Siverson, a provider established in Portland, Oregon with a medical specialization in Social Worker, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1669648630 assigned on April 2008. The practitioner's primary taxonomy code is 1041C0700X with license number L2546 (OR). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1669648630
Provider Name
MR. ERVIN R. SIVERSON LCSW
Gender
Male
Entity Type
Individual
Location Address
500 NE MULTNOMAH ST SUITE 100 PORTLAND, OR 97232
Location Phone
(503) 813-2000
Mailing Address
500 NE MULTNOMAH ST SUITE 100 PORTLAND, OR 97232
Mailing Phone
(503) 813-2000
Is Sole Proprietor?
No
Enumeration Date
04-30-2008
Last Update Date
04-30-2008
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A clinical social worker like Ervin Siverson is licensed to diagnose and treat mental, behavioral, and emotional disorders. A clinical social worker helps patients develop strategies to change behavior or cope with difficult situations and refer patients to other resources or services, such as support groups or other mental health professionals.

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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

Social Worker Clinical

Taxonomy Code
1041C0700X
Type
Behavioral Health & Social Service Providers
License No.
L2546
License State
OR
Taxonomy Description
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

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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 1669648630, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
6
Doubled → 12 → 1 + 2
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
6
Unchanged
Pos 9
3
Doubled → 6
Check
0
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 6 → 12 → 3 8 → 16 → 7 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 + 2 + 4 + 1 + 6 + 6 + 6 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1669648630.

Other Providers at the Same Location


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

Social Worker (Clinical)
500 NE MULTNOMAH ST, SUITE 100
PORTLAND, OR 97232
Dentist
500 NE MULTNOMAH ST, SUITE 100
PORTLAND, OR 97232
Internal Medicine
500 NE MULTNOMAH ST, SUITE 100
PORTLAND, OR 97232
Internal Medicine (Pulmonary Disease)
500 NE MULTNOMAH ST
PORTLAND, OR 97232
Dentist (General Practice)
500 NE MULTNOMAH ST, SUITE 100
PORTLAND, OR 97232
Physical Therapist
500 NE MULTNOMAH ST
PORTLAND, OR 97232
Dentist (General Practice)
500 NE MULTNOMAH ST, SUITE 150
PORTLAND, OR 97232
Dentist (General Practice)
500 NE MULTNOMAH ST, 100
PORTLAND, OR 97232
Dental Assistant
500 NE MULTNOMAH ST, SUITE 100 KAISER DENTAL STAFFING ON CALL
PORTLAND, OR 97232
Technician/Technologist (Optician)
500 NE MULTNOMAH ST, STE 100
PORTLAND, OR 97232
Registered Nurse
500 NE MULTNOMAH ST
PORTLAND, OR 97232
Clinic/Center (Primary Care)
500 NE MULTNOMAH ST
PORTLAND, OR 97232
Respiratory Therapist, Registered
500 NE MULTNOMAH ST, SUITE 100
PORTLAND, OR 97232
Physician Assistant
500 NE MULTNOMAH ST, SUITE 100
PORTLAND, OR 97232
Pediatrics
500 NE MULTNOMAH ST, SUITE 100
PORTLAND, OR 97232
Nurse Anesthetist, Certified Registered
500 NE MULTNOMAH ST
PORTLAND, OR 97232
Internal Medicine
500 NE MULTNOMAH ST, SUITE 100, KPB-2
PORTLAND, OR 97232
Specialist
500 NE MULTNOMAH ST
PORTLAND, OR 97232
Dental Hygienist
500 NE MULTNOMAH ST
PORTLAND, OR 97232
General Practice
500 NE MULTNOMAH ST
PORTLAND, OR 97232

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669648630, enumerated as an "individual" on April 30, 2008.

The provider is located at 500 NE MULTNOMAH ST SUITE 100 PORTLAND, OR 97232 and the phone number is (503) 813-2000.

Social Worker with taxonomy code 1041C0700X and a focus in Clinical.