DR. WENDY WAN ANAN MD
NPI 1669673448
Internal Medicine - Nephrology in Kent, WA
About Dr. Wendy Wan Anan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WENDY WAN ANAN MD (NPI 1669673448) is an individual nephrology provider in Kent, Washington, licensed in Washington (MD60614954) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Valley Medical Center, and maintains a secondary practice location in Mount Vernon.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Wendy Wan Anan Md 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.
Medicare Billing Reassignments
2Medicare enrollment records show Wendy Anan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Renton, WA 98055
- Reassigned Medicare billing, Washington enrollment
- 689 clinicians in this Medicare group
Granite Falls, WA 98252
- Reassigned Medicare billing, Washington enrollment
- 463 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Valley Medical Center
Acute Care Hospitals · Renton, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98030 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Wendy Anan's NPI number?
The NPI number for Wendy Anan is 1669673448. It was assigned to this individual provider in the NPPES registry on May 30, 2007. The provider is also known as Dr. Wanwarat Ananthapanyasut MD.
Where is Wendy Anan located?
Wendy Anan practices at 24920 104th Ave SE, Kent, WA 98030. The listed phone number is (425) 690-3544.
What is Wendy Anan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Wendy Anan enrolled in Medicare?
Yes. Wendy Anan 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.
Which organizations bill Medicare for Wendy Anan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wendy Anan reassigns Medicare benefits to 2 organizations: Valley Medical Group-Renton (Renton, WA) and Public Hospital Dist No 1 Skagit (Granite Falls, WA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Wendy Anan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Wendy Anan accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Wendy Anan 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.
Is Wendy Anan affiliated with any hospitals?
According to CMS data, Wendy Anan is affiliated with Valley Medical Center.
When was this NPI record last updated?
The NPPES record for Wendy Anan was last updated on October 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Dr. Wendy Wan Anan, MD · NPI 1669673448
Nephrology physician in Kent, Washington. Individual provider, active in the CMS NPPES registry since May 30, 2007.
## Identity
- **NPI:** 1669673448 (Entity type: Individual)
- **Enumerated:** May 30, 2007
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** MD60614954 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 24920 104TH AVE SE, Kent, WA 98030-6443
- **Phone:** (425) 690-3544 · **Fax:** (425) 690-9444
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Valley Medical Group-Renton (NPI 1619209574, Renton, WA); Public Hospital Dist No 1 Skagit (NPI 1033164470, Granite Falls, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** October 4, 2022
- **Other identifiers:** Other 60614954 (WA); Medicaid 2062995 (WA); Other P1616 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1669673448) · Data from the CMS NPPES public registry.