NICHOLAS S MUFF (MD) – Specialist, NPI 1740372861
Specialist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
184 RADIATION ONCOLOGY in WA
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Provider Addresses for NICHOLAS S MUFF (MD)
United General Hospital, 2000, Hospital Drive, Sedro-Woolley, Skagit County, Washington, 98284, United States
SEDRO WOOLLEY, WA 98284
Phone: (360) 856-7270
Type: Location
P O BOX 977
COUPEVILLE, WA 98239
Phone: (360) 678-4071
Fax: (360) 678-6014
Type: Mailing
260 E ONTARIO AVE STE 101
CORONA, CA 928793508
Phone: (949) 490-4820
Fax: (949) 490-4819
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: 2024-01-15
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20050203000558 | I | Radiation Oncology | WA | TBD |
| I20180215001324 | I | Radiation Oncology | CA | TBD |
| I20240115000103 | I | Radiation Oncology | NV | 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 |
|---|---|---|---|---|
| 0394T | High dose rate electronic brachytherapy, external | 57 | 49 | $0 |
| 77600 | Use of externally generated heat to increase temperature of cancer cell, heating to depths 4.0 cm or less | 49 | 49 | $0 |
| 77290 | Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | 39 | 39 | $0 |
| 99202 | New patient office or other outpatient visit, 15-29 minutes | 34 | 34 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 14 | 14 | $0 |
Insurance plans in this area (ZIP 98284)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | WA | 77427 | Radiation treatment management, 5 treatments | 17 | 14 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Radiation Oncology | MO | |
| Radiation Oncology | IL | |
| - | CA | |
| Radiation Oncology | CA |
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