JOSEPH MARCUS SIPRUT DO
NPI 1669310884
Psychiatry & Neurology - Neurology in Portland, OR
NPI Status: Active since March 23, 2026
Contact Information
3181 SW SAM JACKSON PARK RD
PORTLAND, OR
ZIP 97239
Phone: (503) 494-8311
- Individual
- Male
- Psychiatry & Neurology
- Neurology
About JOSEPH SIPRUT
This page provides the complete NPI Profile along with additional information for Joseph Siprut, a provider established in Portland, Oregon with a medical specialization in Psychiatry & Neurology, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1669310884 assigned on March 2026. The practitioner's primary taxonomy code is 2084N0400X with license number 2084N0400X (OR). The provider is registered as an individual and his NPI record was last updated March 2026. Joseph Siprut operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.
- NPI
- 1669310884
- Provider Name
- JOSEPH MARCUS SIPRUT DO
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 3181 SW SAM JACKSON PARK RD PORTLAND, OR 97239
- Location Phone
- (503) 494-8311
- Mailing Address
- 4316 VISTA CORONADO DR CHULA VISTA, CA 91910
- Mailing Phone
- (619) 495-9093
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-23-2026
- Last Update Date
- 03-23-2026
- 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
Psychiatry & Neurology Neurology
- Taxonomy Code
- 2084N0400X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 2084N0400X
- License State
- OR
- Taxonomy Description
- A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
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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 1669310884, 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.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1669310884, enumerated as an "individual" on March 23, 2026.
The provider is located at 3181 SW SAM JACKSON PARK RD PORTLAND, OR 97239 and the phone number is (503) 494-8311.
Psychiatry & Neurology with taxonomy code 2084N0400X and a focus in Neurology.
