1. Home
  2. Directory
  3. Oregon
  4. Tigard
  5. Counselor
  6. NPI Profile

LUDAN CHEN
NPI 1942138532
Counselor - Mental Health in Tigard, OR

Active since May 12, 2026
11845 SW GREENBURG RD STE 210, TIGARD, OR 97223(971) 264-0952 Get Directions Write a Review

NPPES record last updated: May 12, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ludan Chen NPPES

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

LUDAN CHEN (NPI 1942138532) is an individual mental health provider in Tigard, Oregon and active in the NPI registry since May 2026.

NPPES Registry Identity

NPI1942138532
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameLUDAN CHEN
Location Address11845 SW GREENBURG RD STE 210Tigard, OR 97223-6464
Mailing Address4773 Parkview Dr Apt BLake Oswego, OR 97035-2428
Phone(971) 264-0952
Sole ProprietorNo
Enumeration DateMay 12, 2026
NPPES CertifiedMay 12, 2026
✔ NPI 1942138532 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
11845 SW GREENBURG RD STE 210, Tigard, OR 97223
Open in Google Maps ↗

Other Names 1

Other Name (5)Colleen Chen

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. SANDERSON AND ASSOCIATES, LLC
Psychologist
11845 SW GREENBURG RD STE 210
TIGARD, OR 97223
Washington County (971) 264-0879
JENNIFER JEAN VINCENT-SHILLINGFORD
Counselor (Mental Health)
11845 SW GREENBURG RD STE 210
TIGARD, OR 97223
Washington County (971) 264-0952
AMANDA LOUIE
Counselor (Mental Health)
11845 SW GREENBURG RD STE 210
TIGARD, OR 97223
Washington County (971) 264-0952
MARGARET HARRIS MACLEAN
Counselor (Mental Health)
11845 SW GREENBURG RD STE 210
TIGARD, OR 97223
Washington County (971) 264-0952
MARY KATHRYN RESK
Counselor
11845 SW GREENBURG RD STE 210
TIGARD, OR 97223
Washington County (971) 264-0952
MS. SARAH OLDHAM MS, ATR, LPC
Counselor (Professional)
11845 SW GREENBURG RD STE 210
TIGARD, OR 97223
Washington County (971) 264-0952
KARINA PIERCE
Counselor
11845 SW GREENBURG RD STE 210
TIGARD, OR 97223
Washington County (971) 264-0662
HEATHER BARNES
Counselor
11845 SW GREENBURG RD STE 210
TIGARD, OR 97223
Washington County (971) 264-0952

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 Ludan Chen's NPI number?

The NPI number for Ludan Chen is 1942138532. It was assigned to this individual provider in the NPPES registry on May 12, 2026. The provider is also known as Colleen Chen.

Where is Ludan Chen located?

Ludan Chen practices at 11845 SW Greenburg Rd Ste 210, Tigard, OR 97223. The listed phone number is (971) 264-0952.

What is Ludan Chen's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Ludan Chen was last updated on May 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.