Romualdo Aragon, MD
NPI 1043276249 · Internal Medicine Physician · Las Vegas, NV
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Romualdo Aragon, MD is a Internal Medicine Physician provider in Las Vegas, NV (NPI 1043276249).
Provider details
- NPI number
- 1043276249
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 9214 (NV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,267 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 215 | $130 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 202 | $65 |
| Advance Care Planning, First 30 Minutes99497 | 149 | $86 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 139 | $137 |
| Comprehensive Assessment of and Care Planning for Patients Requiring Chronic Care Management Services (list Separately in Addition to Primary Monthly Care Management Service)G0506 | 134 | $63 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 92 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 753 | 216 |
| Losartan Potassium | 557 | 161 |
| Amlodipine Besylate | 366 | 108 |
| Metformin Hcl | 260 | 74 |
| Allopurinol | 224 | 64 |
| Levothyroxine Sodium | 205 | 49 |
| Alendronate Sodium | 174 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$827 across 46 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
Registry dates
- Enumerated
- 2006-04-25
- Last updated
- 2020-10-14
- Certified
- 2020-10-14
Frequently asked questions
- What is Romualdo Aragon's NPI number?
- Romualdo Aragon's National Provider Identifier (NPI) is 1043276249, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Romualdo Aragon's specialty?
- Romualdo Aragon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Romualdo Aragon located?
- Romualdo Aragon's practice location on file with NPPES is 1641 E Flamingo Rd Ste 11, Las Vegas, NV 89119-5257.
- What is Romualdo Aragon's phone number?
- The practice phone number listed in the NPPES registry for Romualdo Aragon is (702) 737-9520.
- Does Romualdo Aragon accept Medicare?
- Romualdo Aragon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Romualdo Aragon's NPI active?
- Yes — Romualdo Aragon's NPI (1043276249) is active in the NPPES registry as of the last update on 2020-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.