CLIFF SHAW
NPI 1598601544
Counselor - School in Portland, OR
NPI Status: Active since April 23, 2026
Contact Information
3830 SE 14TH AVE
PORTLAND, OR
ZIP 97202
Phone: (503) 916-6200
Fax: (503) 916-2614
- Individual
- Counselor
- School
About CLIFF SHAW
This page provides the complete NPI Profile along with additional information for Cliff Shaw, a provider established in Portland, Oregon operating as a Counselor, focusing in school . The healthcare provider is registered in the NPI registry with number 1598601544 assigned on April 2026. The practitioner's primary taxonomy code is 101YS0200X with license number 49516 (OR). The provider is registered as an individual and their NPI record was last updated April 2026.
- NPI
- 1598601544
- Provider Name
- CLIFF SHAW
- Gender
- Entity Type
- Individual
- Location Address
- 3830 SE 14TH AVE PORTLAND, OR 97202
- Location Phone
- (503) 916-6200
- Location Fax
- (503) 916-2614
- Mailing Address
- 3830 SE 14TH AVE PORTLAND, OR 97202
- Mailing Phone
- (503) 916-6200
- Mailing Fax
- (503) 916-2614
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-23-2026
- Last Update Date
- 04-23-2026
- Code Navigator
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 School
- Taxonomy Code
- 101YS0200X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 49516
- 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 1598601544, 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
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.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1598601544, enumerated as an "individual" on April 23, 2026.
The provider is located at 3830 SE 14TH AVE PORTLAND, OR 97202 and the phone number is (503) 916-6200.
Counselor with taxonomy code 101YS0200X and a focus in School.
