NICHOLAS S MUFF (MD) – Specialist, NPI 1740372861

NICHOLAS S MUFF (MD) is a healthcare provider. based in Sedro woolley, Washington. specializing in RADIATION ONCOLOGY. They hold the professional credentials MD. They hold a License No. G25544 (CA). The NPI Number for NICHOLAS S MUFF (MD) is 1740372861

Main info

Male
54 Years Of Experience
Accepts Medicare Assignment
Name
NICHOLAS S MUFF (MD)
NPI
1740372861
Phone
(360) 856-7270
Address
2000 HOSPITAL DRIVE
Enumeration Date
28 September 2006
Last Update Date
13 June 2025

Doctor Profile

Medical School Name
LOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
3604591700
Graduation Year
1972 (54 years ago)
PAC ID
0244281533
Group Practice PAC ID
9830235217
Professional Enrollment ID
I20050203000558
Address ID
WA985065132OL424XXNEXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience76
Completeness85
Years active:19State licenses:2Digital endpointsOther names

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

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20050203000558IRadiation OncologyWATBD
I20180215001324IRadiation OncologyCATBD
I20240115000103IRadiation OncologyNVTBD

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.

Verify on CMS Revalidation Lookup Tool

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

HCPCSDescriptionServicesBeneficiariesMedicare allowed
0394THigh dose rate electronic brachytherapy, external5749$0
77600Use of externally generated heat to increase temperature of cancer cell, heating to depths 4.0 cm or less4949$0
77290Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved3939$0
99202New patient office or other outpatient visit, 15-29 minutes3434$0
99213Established patient office or other outpatient visit, 20-29 minutes1414$0
View full utilization report →

Insurance plans in this area (ZIP 98284)

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Provider's Procedures

NICHOLAS S MUFF (MD) performs procedures in RADIATION ONCOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
DIAGNOSTIC RADIOLOGYWA77427Radiation treatment management, 5 treatments1714

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 9830235217View full group profile
NameSpecialtyState
Radiation OncologyMO
Radiation OncologyIL
-CA
Radiation OncologyCA

Reviews

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Frequently asked questions

Does NICHOLAS S MUFF (MD) have a public NPI I can cite?
Public records show NICHOLAS S MUFF (MD) under NPI 1740372861.
Should I treat NICHOLAS S MUFF (MD) as an active provider?
Patients and plans typically see NICHOLAS S MUFF (MD) as active in the national extract.
Which specialty label fits NICHOLAS S MUFF (MD)?
NPPES ties NICHOLAS S MUFF (MD) to Other Service Providers in the taxonomy section. Clinical services aligned with this taxonomy classification.
Which community is linked to NICHOLAS S MUFF (MD)?
NICHOLAS S MUFF (MD) shows a connection to Sedro Woolley, Washington in registry-derived data.
Can I export NICHOLAS S MUFF (MD)'s record?
You can download the official NPPES record; we summarize key fields for readability.

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