ENDEAVOR PSYCHIATRY, LLC
NPI 1538782834
Psychiatry & Neurology - Psychiatry in Portland, OR

NPI Status: Active since May 20, 2020

Contact Information

SW
PORTLAND, OR
ZIP 97219
Phone: (971) 238-6143

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  • Organization
  • Psychiatry & Neurology
  • Psychiatry

About ENDEAVOR PSYCHIATRY, LLC

This page provides the complete NPI Profile along with additional information for Endeavor Psychiatry, Llc, a provider established in Portland, Oregon operating as a Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1538782834 assigned on May 2020. The practitioner's primary taxonomy code is 2084P0800X. The provider is registered as an organization and their NPI record was last updated December 2025. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Paul J Mcmahon (Ceo)

NPI
1538782834
Provider Name
ENDEAVOR PSYCHIATRY, LLC
Entity Type
Organization
Location Address
SW PORTLAND, OR 97219
Location Phone
(971) 238-6143
Mailing Address
9220 SW BARBUR BLVD. SUITE 119, NUMBER 75 PORTLAND, OR 97219
Mailing Phone
(503) 420-7472
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-20-2020
Last Update Date
12-11-2025
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A psychiatrist like Endeavor Psychiatry, Llc are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

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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

Psychiatry & Neurology Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

PAUL J MCMAHON

Authorized Official Title
CEO
Authorized Official Phone
(503) 420-7472

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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 1538782834, 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 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
5
Unchanged
Pos 3
3
Doubled → 6
Pos 4
8
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
8
Unchanged
Pos 7
2
Doubled → 4
Pos 8
8
Unchanged
Pos 9
3
Doubled → 6
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 3 → 6 7 → 14 → 5 2 → 4 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 6 + 8 + 1 + 4 + 8 + 4 + 8 + 6 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1538782834.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1538782834, enumerated as an "organization" on May 20, 2020.

The provider is located at SW PORTLAND, OR 97219 and the phone number is (971) 238-6143.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.