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Edit this profileWhere to find Nicholas S. Muff, MD
- Corona location main office
260 E Ontario Ave Ste 101, Corona, CA 92879 - Sedro Woolley location
2000 Hospital Drive, Sedro Woolley, WA 98284
About Dr. Muff
Listed in the NPI registry as a specialist, Nicholas S. Muff, MD practices in Corona, CA. Nicholas graduated from Loma Linda University School of Medicine in 1972. Nicholas is also listed as specializing in radiation oncology. Medicare claims data shows Nicholas provided 128 services to 125 patients. The services billed most often include high dose rate electronic brachytherapy, external, use of externally generated heat to increase temperature of cancer cell, heating to depths 4.0 cm or less, and 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. NPI 1740372861 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (949) 490-4820
- Email not available
Practice Locations
260 E ONTARIO AVE STE 101
Corona, CA 92879
2000 HOSPITAL DRIVE
Sedro Woolley, WA 98284
Procedures Most Often Billed to Medicare
128 services · 125 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Use of externally generated heat to increase temperature of cancer cell, heating to depths 4.0 cm or less | Imaging | 77600 |
34 | Too few peers to compare |
| 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 | Imaging | 77290 |
29 | As often as other peers in Specialist |
| High dose rate electronic brachytherapy, external | 0394T |
37 | Too few peers to compare | |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
28 | As often as other peers in Specialist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other specialists in Corona 5
Same specialty, same city.
More connections — 15 related providers in 3 groups
Trained at Loma Linda University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1972 at Loma Linda University School of Medicine 5
Providers who graduated from the same medical school in the same year.
Also performs Use of externally generated heat to increase temperature of cancer cell, heating to depths 4.0 cm or less 2
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Muff's specialty?
Dr. Muff is a specialist in Corona, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Muff?
Dr. Muff is listed at 260 E Ontario Ave Ste 101, Corona, CA 92879. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Muff?
The number on file is (949) 490-4820. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Muff?
Dr. Muff's National Provider Identifier is 1740372861. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Muff's medical education?
Dr. Muff attended Loma Linda University School of Medicine, graduating in 1972. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Muff have?
Dr. Muff has 54 years experience. Calculated from a graduation year of 1972, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Muff known for?
According to Medicare billing data, Dr. Muff performs imaging including use of externally generated heat to increase temperature of cancer cell, heating to depths 4.0 cm or less and 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, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Muff's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Muff. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.