Physician Profile
Unclaimed ProfileAbout MUFF
Based in Corona, CA, Nicholas S Muff, MD is listed in the NPI registry under radiation oncology. Nicholas graduated from Loma Linda University School of Medicine in 1972. Nicholas is also listed as specializing in specialist. Medicare claims data shows Nicholas provided 128 services to 125 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (949) 490-4820
- Email not available
Practice Locations
260 E ONTARIO AVE STE 101
Corona, CA 92879
Procedures Most Often Billed to Medicare
128 services · 125 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Use of externally generated heat to increase temperature of cancer cell, heating to depths 4.0 cm or less | Imaging | 77600 |
34 |
| 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 |
| High dose rate electronic brachytherapy, external | 0394T |
37 | |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
28 |
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.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 radiation oncology specialists in Corona 2
Same specialty, same city.
More connections — 21 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 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Muff's specialty?
Dr. Muff is a radiation oncology in Corona, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “RADIATION ONCOLOGY”.
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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.