Doctor profile · Federal record
Dr. Robert Johnson, M.D.
Therapeutic Radiology Physician (CMS: Radiation Oncology) · San Luis Obispo, CA
- NPI 1598942781
- Accepts Medicare
- MIPS 79.1 / 100 · 2023
- 19 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
100 Casa St Ste C
San Luis Obispo, CA 934058804
(805) 541-1932
fax (805) 541-1653
Credentials & registration
- NPI registered
- January 2008 — 18 yrs on file
- Profile last updated
- October 21, 2022
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 2085R0203X — NUCC code
- State license (1)
- California #A121032
- Medicaid
- CA #1598942781
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598942781. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
5,270
Distinct HCPCS
10
Medicare allowed
$1,392,051
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G6015 |
Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 1,378 | 71 | $401 | |
77014 |
Ct guidance for insertion of radiation therapy fields | 1,077 | 147 | $132 | |
77336 |
Continuing radiation therapy consultation per week | 409 | 129 | $95 | |
G6012 |
Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev | 372 | 24 | $264 | |
G6002 |
Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 365 | 62 | $81 | |
77300 |
Calculation of radiation therapy dose | 346 | 117 | $70 | |
77427 |
Radiation treatment management, 5 treatment sessions | 335 | 135 | $199 | |
77334 |
Design and construction of complex radiation treatment device | 195 | 117 | $135 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 96 | 71 | $94 | |
77338 |
Design and construction of radiation treatment device for high precision radiation therapy | 94 | 90 | $497 |
In context: peer comparison
Among 1 peers in San Luis Obispo Therapeutic Radiology Physician, average services per provider: 219. This provider delivers 24× the peer median.Frequently asked questions
What is Dr. Robert Johnson's medical specialty?
Dr. Robert Johnson practices Therapeutic Radiology Physician in San Luis Obispo, CA.
Where does Dr. Robert Johnson practice?
Dr. Robert Johnson practices at 100 Casa St Ste C, San Luis Obispo, CA 934058804. Office phone: 8055411932.
What is Dr. Robert Johnson's NPI?
Dr. Robert Johnson's National Provider Identifier (NPI) is 1598942781, issued by NPPES.
Does Dr. Robert Johnson accept Medicare assignment?
Yes. Dr. Robert Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Johnson commonly perform?
Top Medicare-reported procedures in 2023: Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc (HCPCS G6015); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Continuing radiation therapy consultation per week (HCPCS 77336). Source: CMS Medicare Physician & Other Practitioners file.