DR. IAN MERRILL (MD) – Sleep Medicine (Psychiatry & Neurology) Physician, NPI 1245350164
Sleep Medicine (Psychiatry & Neurology) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
590 NEUROLOGY in WA
Provider Addresses for DR. IAN MERRILL (MD)
PO BOX 25608
SALT LAKE CITY, UT 841250608
Phone: (206) 320-4476
Fax: (206) 568-7043
Type: Mailing
1536 N 115TH ST
STE 320
SEATTLE, WA 981338400
Phone: (206) 386-4744
Fax: (206) 215-1135
Type: Location
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: 2021-11-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20070827000855 | I | Neurology | WA | TBD |
| I20211116002593 | I | Neurology | TX | 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 | 71 | 63 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 32 | 29 | $0 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 30 | 29 | $0 |
| 95800 | Sleep study including heart rate, breathing, and sleep time | 18 | 18 | $0 |
| 95810 | Sleep study in sleep lab (6 years or older) | 13 | 13 | $0 |
Insurance plans in this area (ZIP 84125)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WA | |
| General Surgery | WA | |
| Orthopedic Surgery | WA | |
| P S Y C H I A T R Y | WA | |
| Hospitalist, Hospice/Palliative Care, Internal Medicine | WA | |
| Hospitalist, Hospice/Palliative Care | WA | |
| Physician Assistant | WA | |
| N E U R O L O G Y | WA | |
| N E U R O L O G Y | WA | |
| Hospitalist, Hospice/Palliative Care, Internal Medicine | ND |
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