RIVKA SIDELSKY OREGON LPC C9654
NPI 1386050318
Counselor - Professional in Portland, OR

NPI Status: Active since July 10, 2014

Contact Information

825 NE 20TH AVE STE 250
PORTLAND, OR
ZIP 97232
Phone: (360) 317-6528

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  • Individual
  • Female
  • Counselor
  • Professional

About RIVKA SIDELSKY

This page provides the complete NPI Profile along with additional information for Rivka Sidelsky, a provider established in Portland, Oregon with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1386050318 assigned on July 2014. The practitioner's primary taxonomy code is 101YP2500X with license number C5730 (OR). The provider is registered as an individual and her NPI record was last updated February 2026.

NPI
1386050318
Provider Name
RIVKA SIDELSKY OREGON LPC C9654
Gender
Female
Entity Type
Individual
Location Address
825 NE 20TH AVE STE 250 PORTLAND, OR 97232
Location Phone
(360) 317-6528
Mailing Address
3036 NE 63RD AVE PORTLAND, OR 97213
Mailing Phone
(360) 317-6528
Is Sole Proprietor?
Yes
Enumeration Date
07-10-2014
Last Update Date
02-06-2026
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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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
C5730
License State
OR

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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 1386050318, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 6 + 6 + 0 + 5 + 0 + 3 + 2 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1386050318.

Other Providers at the Same Location


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

Counselor (Mental Health)
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Counselor (Mental Health)
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Counselor (Mental Health)
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Counselor (Mental Health)
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Marriage & Family Therapist
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Counselor
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Counselor (Mental Health)
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Counselor
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Counselor
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Counselor
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Counselor (Mental Health)
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Counselor (Mental Health)
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Counselor (Professional)
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Counselor
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Counselor
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Counselor
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Counselor
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Community/Behavioral Health
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Counselor
825 NE 20TH AVE STE 250
PORTLAND, OR 97232
Counselor (Mental Health)
825 NE 20TH AVE STE 250
PORTLAND, OR 97232

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1386050318, enumerated as an "individual" on July 10, 2014.

The provider is located at 825 NE 20TH AVE STE 250 PORTLAND, OR 97232 and the phone number is (360) 317-6528.

Counselor with taxonomy code 101YP2500X and a focus in Professional.