Doctor profile · Federal record
Dr. John Longo, M.D.
Radiation Oncology Physician (CMS: Radiation Oncology) · Milwaukee, WI
- NPI 1356631139
- Accepts Medicare
- MIPS 80.5 / 100 · 2023
- 15 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
9200 W Wisconsin Ave, Radiation Oncology
Milwaukee, WI 532263522
(414) 805-4400
fax (414) 805-4369 - Additional location
-
3200 Pleasant Valley RD
West Bend, WI 530959274
(262) 836-7200
fax (262) 836-7201 - Additional location
-
9000 W Wisconsin Ave
Milwaukee, WI 532264874
(414) 607-5280
Credentials & registration
- NPI registered
- April 2011 — 15 yrs on file
- Profile last updated
- April 7, 2023
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State license (1)
- Wisconsin #57527
- Medicaid
- WI #1356631139
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1356631139. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,577
Distinct HCPCS
10
Medicare allowed
$126,845
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 483 | 31 | $43 | |
77014 |
Ct guidance for insertion of radiation therapy fields | 346 | 48 | $43 | |
77427 |
Radiation treatment management, 5 treatment sessions | 116 | 41 | $181 | |
77427 |
Radiation treatment management, 5 treatment sessions | 78 | 32 | $181 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 72 | 55 | $62 | |
77300 |
Calculation of radiation therapy dose | 59 | 20 | $31 | |
77300 |
Calculation of radiation therapy dose | 57 | 24 | $31 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 43 | 30 | $62 | |
77334 |
Design and construction of complex radiation treatment device | 29 | 14 | $58 | |
77263 |
Complex radiation therapy planning | 28 | 28 | $160 |
In context: peer comparison
Among 14 peers in Milwaukee Radiation Oncology Physician, average services per provider: 58. This provider delivers 27× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
100
Patients
32
Total drug cost
$2,069
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 52 | 17 | $1,351 |
| Lidocaine Hcl Viscous (Lidocaine Hcl) | Brand | 37 | 15 | $514 |
| Omeprazole | Generic | 11 | 0 | $204 |
Hospital affiliations
Frequently asked questions
What is Dr. John Longo's medical specialty?
Dr. John Longo practices Radiation Oncology Physician in Milwaukee, WI.
Where does Dr. John Longo practice?
Dr. John Longo practices at 9200 W Wisconsin Ave, Milwaukee, WI 532263522. Office phone: 4148054400.
What is Dr. John Longo's NPI?
Dr. John Longo's National Provider Identifier (NPI) is 1356631139, issued by NPPES.
Does Dr. John Longo accept Medicare assignment?
Yes. Dr. John Longo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Longo commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.