Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Yee Leng Ong Lilienthal, NP-C

Individual provider Family Nurse Practitioner · NPI 1417477274

Yee Leng Ong Lilienthal, NP-C is a Nurse Practitioner in Omak, Washington. Graduated from University of South Florida College of Medicine in 2016, 10 years ago. Practices with Omak Tribal Health Clinic, a 2-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Florida, North Carolina and Oregon.

Years since qualifying
10
Trained at
University of South Florida College of Medicine
Licensed in
FL, NC, OR
In the registry since
2017
Specialties on file
3
What do these letters mean?
NP-C — Nurse Practitioner, Certified
A nurse practitioner certified by the AANP.

See every abbreviation used in this directory →

Practice location Address checks out

617 Benton St
Omak, WA 98841-9636
Phone: (509) 422-7416
Fax: (509) 422-7712
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 19 Lakes St, Nespelem, WA 99155 — (509) 634-2900
  • 4 Siya Rd, Omak, WA 98841 — (509) 422-7416

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence APRN9223738 (FL)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 201904904NP-PP (OR)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 5009609 (NC)

Record details

NPI number1417477274
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP-C
Sole proprietorNo
NPI enumeratedJune 22, 2017
Last updated in NPPESJuly 22, 2026
Certification dateJuly 22, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolUNIVERSITY OF SOUTH FLORIDA COLLEGE OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice Omak Tribal Health Clinic — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Omak