ANDREW RYLAARSDAM, DO, LLC – NPI #1235066804
Psychiatry & Neurology

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.

ANDREW RYLAARSDAM, DO, LLC is a psychiatry & neurologist located in PORTLAND, OR. NPPES recently assigned the NPI number 1235066804 to ANDREW RYLAARSDAM, DO, LLC on May 06, 2026. It is a Type-2 NPI, indicating this NPI number is associated with an organization. The primary taxonomy selected by this provider is 2084P0800X from the Health Care Provider Taxonomy code set, which is classified as Psychiatry & Neurology, specializing in Psychiatry

Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for ANDREW RYLAARSDAM, DO, LLC below.

NPI Profile for
ANDREW RYLAARSDAM, DO, LLC

NPI Number
1235066804
Enumeration Date

(about a month ago)
Entity Type
Type-2  Organization
Organization health care providers may have a single employee or thousands of employees. An example is an incorporated individual who is an organization's only employee.
Legal Name
ANDREW RYLAARSDAM, DO, LLC
Primary location
1020 SW TAYLOR ST STE 435
PORTLAND, OR 97205-2509
Phone: (971) 500-7534 Fax:
Mailing address
Same as primary location
Organization Subpart
No
Authorized Official
ANDREW RYLAARSDAM
PSYCHIATRIST
Phone: (971) 500-7534
Updated
Certification Date
May 06, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
2084P0800X
- Psychiatry & Neurology / Psychiatry (Primary)

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.