Doctor profile · Federal record
Dr. Stephen Johnston, MD
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Diagnostic Radiology Physician · Tucson, AZ
- NPI 1730525841
- Accepts Medicare
- 13 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2492 E River RD
Tucson, AZ 857189552
(520) 722-8994 - Additional location
-
4250 Hospital Dr
Marianna, FL 324461917
(850) 526-2200
fax (850) 718-2844
Credentials & registration
- NPI registered
- May 2013 — 13 yrs on file
- Profile last updated
- February 6, 2026
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State licenses (3)
- Arizona #R73777 · Louisiana #330999 · Florida #ME170763
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1730525841. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,658
Distinct HCPCS
10
Medicare allowed
$139,638
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
70450 |
Ct scan head or brain without contrast | 456 | 440 | $39 | |
71045 |
X-ray of chest, 1 view | 308 | 298 | $9 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 242 | 241 | $86 | |
74176 |
Ct scan of abdomen and pelvis without contrast | 202 | 201 | $82 | |
72148 |
Mri scan of lower spinal canal without contrast | 153 | 153 | $69 | |
71260 |
Ct scan of chest with contrast | 148 | 147 | $54 | |
71250 |
Ct scan of chest without contrast | 146 | 145 | $50 | |
70551 |
Mri scan of brain without contrast | 128 | 128 | $69 | |
72125 |
Ct scan of upper spine without contrast | 110 | 110 | $46 | |
71046 |
X-ray of chest, 2 views | 98 | 96 | $10 |
In context: peer comparison
Among 67 peers in this city , average services per provider: 458. This provider delivers 5.8× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Stephen Johnston's medical specialty?
Dr. Stephen Johnston practices Diagnostic Radiology Physician in Tucson, AZ.
Where does Dr. Stephen Johnston practice?
Dr. Stephen Johnston practices at 2492 E River RD, Tucson, AZ 857189552. Office phone: 5207228994.
What is Dr. Stephen Johnston's NPI?
Dr. Stephen Johnston's National Provider Identifier (NPI) is 1730525841, issued by NPPES.
Does Dr. Stephen Johnston accept Medicare assignment?
Yes. Dr. Stephen Johnston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Johnston commonly perform?
Top Medicare-reported procedures in 2023: Ct scan head or brain without contrast (HCPCS 70450); X-ray of chest, 1 view (HCPCS 71045); Ct scan of abdomen and pelvis with contrast (HCPCS 74177). Source: CMS Medicare Physician & Other Practitioners file.