MARY MARGARET FARNHAM (ARNP) – Registered Nurse, NPI 1821206418
Registered Nurse
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,268 NURSE PRACTITIONER in WA
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Provider Addresses for MARY MARGARET FARNHAM (ARNP)
116th Avenue Northeast, Midlakes, Bellevue, King County, Washington, 98009, United States
BELLEVUE, WA 980044623
Phone: (206) 592-5000
Type: Mailing
1135, 116th Avenue Northeast, Midlakes, Bellevue, King County, Washington, 98004, United States
SUITE 305
BELLEVUE, WA 980044623
Phone: (425) 453-1772
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $42.
Total Amount is formed as General ($42) + Research ($0) + Ownership ($0) = $42.
Last reported payment date: 2024-10-08 • Largest payer in this snapshot: ETS Wound Care LLC ($28).
Total Amount
$42
General + Research + Ownership
Payments
2
Total payment records
General Amount
$42
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ETS Wound Care LLC | $28 |
| E.R. Squibb & Sons, L.L.C. | $14 |
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: 2010-12-14
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 |
|---|---|---|---|---|
| I20101214000199 | I | Nurse Practitioner | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 220 | 156 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 52 | 50 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 51 | 51 | $0 |
| 29581 | Application of vein wound compression bandages on lower leg, ankle, and foot | 39 | 16 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 36 | 35 | $0 |
Insurance plans in this area (ZIP 98004)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | CA | |
| Qualified Speech Language Pathologist | WA | |
| Physical Therapist In Private Practice | WA | |
| - | WA | |
| Physical Therapist In Private Practice | WA | |
| Family Practice | WA | |
| - | WA | |
| Nurse Practitioner | TX | |
| - | WA | |
| Physical Therapist In Private Practice | IL |
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