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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LYDIA TILLMAAND
NPI 1831063536
Nurse Practitioner - Neonatal in Vancouver, WA

Active since October 03, 2025
2211 NE 139TH ST, VANCOUVER, WA 98686(360) 487-4231 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Lydia Tillmaand NPPES

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

LYDIA TILLMAAND (NPI 1831063536) is an individual neonatal provider in Vancouver, Washington, licensed in Washington (ARNP.AP.70142977-NP) and active in the NPI registry since October 2025.

NPPES Registry Identity

NPI1831063536
Entity TypeIndividualFemale
Primary Taxonomy363LN0000X
Provider Legal NameLYDIA TILLMAAND
Location Address2211 NE 139TH STVancouver, WA 98686-2742
Mailing AddressPo Box 2077Portland, OR 97208-2077 · (503) 413-3900 · Fax (503) 413-3710
Phone(360) 487-4231
Sole ProprietorNo
Enumeration DateOctober 3, 2025
Last NPPES UpdateSeptember 1, 2026
NPPES CertifiedSeptember 1, 2026
✔ NPI 1831063536 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · NeonatalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LN0000X
License✔ Licensed in WA · ARNP.AP.70142977-NP
Also ListedRegistered Nurse · Neonatal Intensive CareTaxonomy 163WN0002X · License 264872 (AZ)
2211 NE 139TH ST, Vancouver, WA 98686
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Other Providers at the Same Location NPPES 20

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

DR. NATALIA SAYURI MUTO MD
Student in an Organized Health Care Education/Training Program
2211 NE 139TH ST
VANCOUVER, WA 98686
Clark County (360) 397-1985
DR. ERIN MEADOWS MD
Emergency Medicine
2211 NE 139TH ST
VANCOUVER, WA 98686
Clark County (559) 250-7564
PHILLIP M CULLISON BONNER MD
Internal Medicine
2211 NE 139TH ST
VANCOUVER, WA 98686
Clark County (360) 487-1000
JUSTIN LYLE SICHULA MD
Internal Medicine
2211 NE 139TH ST
VANCOUVER, WA 98686
Clark County (360) 487-1168
KRYSTAL NGUYEN DO
Student in an Organized Health Care Education/Training Program
2211 NE 139TH ST
VANCOUVER, WA 98686
Clark County (360) 397-1985
MEGUMI S KETCHAM M.D.
Emergency Medicine
2211 NE 139TH ST
VANCOUVER, WA 98686
Clark County (360) 487-1000
QUYNH T TRAN DO
Internal Medicine
2211 NE 139TH ST
VANCOUVER, WA 98686
Clark County (503) 374-1864
BRENDA CAROL SCHRADER
Registered Nurse (Registered Nurse First Assistant)
2211 NE 139TH ST
VANCOUVER, WA 98686
Clark County (360) 487-1000

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 Lydia Tillmaand's NPI number?

The NPI number for Lydia Tillmaand is 1831063536. It was assigned to this individual provider in the NPPES registry on October 3, 2025.

Where is Lydia Tillmaand located?

Lydia Tillmaand practices at 2211 NE 139th St, Vancouver, WA 98686. The listed phone number is (360) 487-4231.

What is Lydia Tillmaand's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Neonatal, with taxonomy code 363LN0000X.

When was this NPI record last updated?

The NPPES record for Lydia Tillmaand was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.