DR. WENDY WAN ANAN (MD) – Nephrology Physician, NPI 1669673448
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
279 NEPHROLOGY in WA
Provider Addresses for DR. WENDY WAN ANAN (MD)
208 Hospital Parkway
Mount Vernon, WA 98273
Phone: (360) 814-8260
Fax: (360) 814-8261
Type: Location
208, Hospital Parkway, Mount Vernon, Skagit County, Washington, 98274, United States
MOUNT VERNON, WA 98273
Phone: (360) 814-8260
Fax: (360) 814-8261
Type: Location
24920 104TH AVE SE
KENT, WA 980306443
Phone: (425) 690-3544
Fax: (425) 690-9444
Type: Location
1400, East Kincaid Street, Mount Vernon, Skagit County, Washington, 98274, United States
ATTN: CREDENTIALING
MOUNT VERNON, WA 982744127
Phone: (360) 428-2500
Fax: (360) 428-6485
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2016-09-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20160928000665 | I | Nephrology | WA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 167 | 63 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 148 | 68 | $0 |
| 90961 | Dialysis services, 2-3 physician visits per month (20 years or older) | 57 | 16 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 41 | 41 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 32 | 26 | $0 |
Insurance plans in this area (ZIP 98273)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEPHROLOGY | WA | 90935 | Hemodialysis procedure with one physician evaluation | 126 | 60 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | WA | |
| Physical Therapist In Private Practice | WA | |
| Internal Medicine, Hospitalist | WA | |
| P S Y C H I A T R Y | WA | |
| Hospice/Palliative Care, Internal Medicine | WA | |
| Internal Medicine, Hospitalist | CA | |
| Family Practice | WA | |
| Family Practice, Emergency Medicine | WA | |
| - | WA | |
| - | WA |
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