1. Home
  2. Directory
  3. Oregon
  4. Hood River
  5. Dentist
  6. NPI Profile

ALEXANDER RISTAU DMD
NPI 1891205084
Dentist - General Practice in Hood River, OR

Active since October 03, 2017
405 13TH ST, HOOD RIVER, OR 97031(541) 387-2244 Get Directions Write a Review

NPPES record last updated: May 1, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: May 1, 2026, Jul 21, 2022, Mar 17, 2018 (3 updates tracked since 2018).

About Alexander Ristau Dmd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALEXANDER RISTAU DMD (NPI 1891205084) is an individual general practice provider in Hood River, Oregon, licensed in Tennessee (10672) and active in the NPI registry since October 2017.

NPPES Registry Identity

NPI1891205084
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameALEXANDER RISTAUCredential: DMD
Location Address405 13TH STHood River, OR 97031-1433
Mailing Address405 13th StHood River, OR 97031-1433
Phone(541) 387-2244
Sole ProprietorYes
Enumeration DateOctober 3, 2017
Last NPPES UpdateMay 1, 20263 updates tracked since enumeration
NPPES CertifiedMay 1, 2026
✔ NPI 1891205084 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
Licenses✔ Licensed in TN · 10672✔ Licensed in HI · DT-2712
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
405 13TH ST, Hood River, OR 97031
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas.Insurance ›

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANDREW OLSSON, DDS, LLC
Dentist (General Practice)
405 13TH ST
HOOD RIVER, OR 97031
Hood River County (541) 387-2244
ALEXANDER RISTAU, LLC DBA GORGE DENTAL
Clinic/Center (Dental)
405 13TH ST
HOOD RIVER, OR 97031
Hood River County (541) 387-2244
ARTHUR F LAMIA DDS
Dentist (General Practice)
405 13TH ST
HOOD RIVER, OR 97031
Hood River County (541) 387-2244

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alexander Ristau's NPI number?

The NPI number for Alexander Ristau is 1891205084. It was assigned to this individual provider in the NPPES registry on October 3, 2017.

Where is Alexander Ristau located?

Alexander Ristau practices at 405 13th St, Hood River, OR 97031. The listed phone number is (541) 387-2244.

What is Alexander Ristau's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

What insurance does Alexander Ristau accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Alexander Ristau as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Alexander Ristau was last updated on May 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.