NPI Portal NPI Lookup & Verification

Alexander Rittenbach

Alexander Rittenbach is a Physical Therapy Assistant provider (Physical Therapy Assistant) practicing in Pendleton, OR, registered in the NPPES registry with NPI 1588131593 since 2018. Practices at Care Center (Willowbrook) Inc. (listed at the same practice address in NPPES).

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NPI 1588131593
Entity type Individual (Type 1)
Name Alexander Rittenbach
Sex Male
Practice address 707 SW 37TH ST, Pendleton, OR, 97801
Phone 5412763374
Enumeration date 2018-10-28
Last updated in NPPES 2018-10-28

Taxonomy & licenses

Taxonomy code Specialty Primary License State
225200000X Physical Therapy Assistant Primary P160386624 WA
Copy-ready billing details
Provider: Alexander Rittenbach
NPI: 1588131593
Taxonomy: 225200000X (Physical Therapy Assistant)
Address: 707 SW 37TH ST, Pendleton, OR, 97801

Other providers at this practice address

NPI Name Type Specialty Location
1144216367 Care Center (Willowbrook) Inc. Organization Skilled Nursing Facility Pendleton, OR
1023376027 Dana Jordan Individual Speech-Language Pathologist Pendleton, OR
1992040026 Amy Grupa Individual Physical Therapist Pendleton, OR
1285038356 Shasta Vogler Individual Physical Therapy Assistant Pendleton, OR
1659828697 Lila Allstott Individual Occupational Therapy Assistant Pendleton, OR
1427568211 Kimberly Benson Individual Occupational Therapist Pendleton, OR
1366948101 Christine Nearing Individual Physical Therapy Assistant Pendleton, OR
1558856641 Brent Reese Individual Physical Therapy Assistant Pendleton, OR

Verify this record

Cross-check NPI 1588131593 against the authoritative CMS record: view Alexander Rittenbach on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Alexander Rittenbach?
Alexander Rittenbach is registered in NPPES with the primary taxonomy of Physical Therapy Assistant. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2018-10-28.