Doctor profile · Federal record
Dr. John Floberg, M.D., PH.D.
Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · Madison, WI
- NPI 1225456981
- Accepts Medicare
- 12 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2140, MED 4 Mailbox, Hslc, 750 Highland Ave.
Madison, WI 53705
(608) 263-8500
Credentials & registration
- NPI registered
- March 2014 — 12 yrs on file
- Profile last updated
- January 20, 2021
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State licenses (2)
- Wisconsin #71062-20 · Missouri #2015013465
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225456981. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,121
Distinct HCPCS
10
Medicare allowed
$280,628
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 1,207 | 106 | $43 | |
77300 |
Calculation of radiation therapy dose | 454 | 93 | $31 | |
77427 |
Radiation treatment management, 5 treatment sessions | 270 | 71 | $180 | |
36415 |
Insertion of needle into vein for collection of blood sample | 119 | 61 | $8 | |
77263 |
Complex radiation therapy planning | 112 | 99 | $159 | |
77334 |
Design and construction of complex radiation treatment device | 108 | 51 | $58 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 96 | 61 | $92 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 92 | 92 | $124 | |
77338 |
Design and construction of radiation treatment device for high precision radiation therapy | 87 | 81 | $216 | |
77301 |
High precision radiation therapy planning | 84 | 76 | $402 |
In context: peer comparison
Among 16 peers in this city , average services per provider: 117. This provider delivers 27× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
487
Patients
233
Total drug cost
$333,169
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 173 | 66 | $2,017 |
| Orgovyx (Relugolix) | Brand | 124 | 22 | $329,971 |
| Ciprofloxacin Hcl | Generic | 73 | 63 | $224 |
| Bicalutamide | Generic | 31 | 27 | $483 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 29 | 28 | $128 |
| Lorazepam | Generic | 27 | 27 | $28 |
| Oxybutynin Chloride Er (Oxybutynin Chloride) | Brand | 19 | 0 | $244 |
| Ondansetron Hcl | Generic | 11 | 0 | $73 |
Hospital affiliations
Frequently asked questions
What is Dr. John Floberg's medical specialty?
Dr. John Floberg practices Radiation Oncology Physician in Madison, WI.
Where does Dr. John Floberg practice?
Dr. John Floberg practices at 2140, MED 4 Mailbox, Hslc, Madison, WI 53705. Office phone: 6082638500.
What is Dr. John Floberg's NPI?
Dr. John Floberg's National Provider Identifier (NPI) is 1225456981, issued by NPPES.
Does Dr. John Floberg accept Medicare assignment?
Yes. Dr. John Floberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Floberg commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.