Rocio Perez Johnston, MD
NPI 1912298969 · Diagnostic Radiology Physician · Aurora, CO
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rocio Perez Johnston, MD is a Diagnostic Radiology Physician provider in Aurora, CO (NPI 1912298969).
Provider details
- NPI number
- 1912298969
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- L-246793 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
3,403 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 2,026 | $9 |
| X-Ray of Chest, 2 Views71046 | 472 | $11 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 282 | $86 |
| Ct Scan of Chest Without Contrast71250 | 271 | $51 |
| Ct Scan of Chest With Contrast71260 | 177 | $54 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 70 | $86 |
| X-Ray of Chest, 2 Views |
Practice location
Mailing address
Additional practice locations (1)
- 55 Fruit St.Massachusetts General HospitalBoston, MA 02114Phone: (617) 726-8386
Registry dates
- Enumerated
- 2011-04-26
- Last updated
- 2023-10-16
- Certified
- 2023-10-16
Frequently asked questions
- What is Rocio Perez Johnston's NPI number?
- Rocio Perez Johnston's National Provider Identifier (NPI) is 1912298969, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rocio Perez Johnston's specialty?
- Rocio Perez Johnston is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Rocio Perez Johnston located?
- Rocio Perez Johnston's practice location on file with NPPES is 12605 E 16th Ave, Aurora, CO 80045-2545.
- What is Rocio Perez Johnston's phone number?
- The practice phone number listed in the NPPES registry for Rocio Perez Johnston is (720) 848-0000.
- Does Rocio Perez Johnston accept Medicare?
- Rocio Perez Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rocio Perez Johnston's NPI active?
- Yes — Rocio Perez Johnston's NPI (1912298969) is active in the NPPES registry as of the last update on 2023-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.