YEE LENG ONG LILIENTHAL NP-C
NPI 1417477274
Nurse Practitioner - Family in Omak, WA
About Yee Leng Ong Lilienthal Np-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YEE LENG ONG LILIENTHAL NP-C (NPI 1417477274) is an individual family provider in Omak, Washington, licensed in Florida (APRN9223738) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Mid Valley Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Yee Leng Ong Lilienthal Np-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mid Valley Hospital
Critical Access Hospitals · Omak, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98841 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OMAK, WA 98841
OMAK, WA 98841
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 Yee Ong Lilienthal's NPI number?
The NPI number for Yee Ong Lilienthal is 1417477274. It was assigned to this individual provider in the NPPES registry on June 22, 2017. The provider is also known as Yee Ong Np.
Where is Yee Ong Lilienthal located?
Yee Ong Lilienthal practices at 617 Benton St, Omak, WA 98841. The listed phone number is (509) 422-7416.
What is Yee Ong Lilienthal's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Yee Ong Lilienthal enrolled in Medicare?
Yes. Yee Ong Lilienthal is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is Yee Ong Lilienthal affiliated with any hospitals?
According to CMS data, Yee Ong Lilienthal is affiliated with Mid Valley Hospital.
When was this NPI record last updated?
The NPPES record for Yee Ong Lilienthal was last updated on July 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.
# Yee Leng Ong Lilienthal, NP-C · NPI 1417477274
Family physician in Omak, Washington. Individual provider, active in the CMS NPPES registry since June 22, 2017.
## Identity
- **NPI:** 1417477274 (Entity type: Individual)
- **Enumerated:** June 22, 2017
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** APRN9223738 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 617 BENTON ST, Omak, WA 98841-9636
- **Phone:** (509) 422-7416 · **Fax:** (509) 422-7712
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** University Of South Florida College Of Medicine, class of 2016
## Record status
- **NPPES last updated:** July 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1417477274) · Data from the CMS NPPES public registry.