Arun Reghunathan
NPI 1821478397 · Diagnostic Radiology Physician · Aurora, CO
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arun Reghunathan is a Diagnostic Radiology Physician provider in Aurora, CO (NPI 1821478397).
Provider details
- NPI number
- 1821478397
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,686 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 834 | $9 |
| Ct Scan Head Or Brain Without Contrast70450 | 381 | $41 |
| X-Ray of Chest, 2 Views71046 | 207 | $11 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 174 | $90 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 151 | $86 |
| Ct Scan of Chest Without Contrast71250 | 143 | $53 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$182 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 11234 Anderson StLoma Linda, CA 92354-2804Phone: (909) 558-4074
Registry dates
- Enumerated
- 2015-05-31
- Last updated
- 2021-05-14
- Certified
- 2021-05-14
Frequently asked questions
- What is Arun Reghunathan's NPI number?
- Arun Reghunathan's National Provider Identifier (NPI) is 1821478397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arun Reghunathan's specialty?
- Arun Reghunathan is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Arun Reghunathan located?
- Arun Reghunathan's practice location on file with NPPES is 12605 E 16th Ave, Aurora, CO 80045-2545.
- What is Arun Reghunathan's phone number?
- The practice phone number listed in the NPPES registry for Arun Reghunathan is (720) 848-0000.
- Does Arun Reghunathan accept Medicare?
- Arun Reghunathan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arun Reghunathan's NPI active?
- Yes — Arun Reghunathan's NPI (1821478397) is active in the NPPES registry as of the last update on 2021-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.