Doctor profile · Federal record
Dr. Nicholas Muff, MD
Specialist (CMS: Radiation Oncology) · Radiation Oncology Physician · Corona, CA
- NPI 1740372861
- Accepts Medicare
- 54 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
260 E Ontario Ave Ste 101
Corona, CA 928793508
(949) 490-4820
fax (949) 490-4819 - Additional location
-
2000 Hospital Drive
Sedro Woolley, WA 98284
(360) 856-7270 - Mailing address
-
P O Box 977
Coupeville, WA 98239
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- June 13, 2025
- Year of graduation
- 1972 — 54 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State licenses (2)
- Washington #MD00015015 · California #G25544
- Medicaid
- WA #1160381
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740372861. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
193
Distinct HCPCS
5
Medicare allowed
$58,013
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
0394T |
High dose rate electronic brachytherapy, external | 57 | 49 | $165 | |
77600 |
Use of externally generated heat to increase temperature of cancer cell, heating to depths 4.0 cm or less | 49 | 49 | $550 | |
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 | $462 | |
99202 |
New patient office or other outpatient visit, 15-29 minutes | 34 | 34 | $72 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 14 | 14 | $89 |
In context: peer comparison
Among 2 peers in Corona Specialist, average services per provider: 92. This provider delivers 2.1× the peer median.Frequently asked questions
What is Dr. Nicholas Muff's medical specialty?
Dr. Nicholas Muff practices Specialist in Corona, CA.
Where does Dr. Nicholas Muff practice?
Dr. Nicholas Muff practices at 260 E Ontario Ave Ste 101, Corona, CA 928793508. Office phone: 9494904820.
What is Dr. Nicholas Muff's NPI?
Dr. Nicholas Muff's National Provider Identifier (NPI) is 1740372861, issued by NPPES.
Does Dr. Nicholas Muff accept Medicare assignment?
Yes. Dr. Nicholas Muff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Muff commonly perform?
Top Medicare-reported procedures in 2023: High dose rate electronic brachytherapy, external (HCPCS 0394T); Use of externally generated heat to increase temperature of cancer cell, heating to depths 4.0 cm or less (HCPCS 77600); 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 (HCPCS 77290). Source: CMS Medicare Physician & Other Practitioners file.