Doctor profile · Federal record

Dr. Romualdo Aragon, MD

Internal Medicine Physician (CMS: Internal Medicine) · Las Vegas, NV

  • NPI 1043276249
  • Accepts Medicare
  • MIPS 97.0 / 100 · 2023
  • 44 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1641 E Flamingo RD Ste 11
Las Vegas, NV 891195257
(702) 737-9520
fax (702) 737-9522

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
October 14, 2020
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Nevada #9214
Medicaid
NV #2018352

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043276249. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,087
Distinct HCPCS
10
Medicare allowed
$100,480
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 204 146 $126
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 185 83 $63
99497 Advance care planning, first 30 minutes 160 160 $82
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 145 145 $130
99213 Established patient office or other outpatient visit, 20-29 minutes 144 79 $91
G2012 Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic 77 48 $14
99215 Established patient office or other outpatient visit, 40-54 minutes 64 57 $180
90686 Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage 37 37 $22
G0008 Administration of influenza virus vaccine 37 37 $31
G0181 Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow 34 13 $105

In context: peer comparison

Among 194 peers in Las Vegas Internal Medicine Physician, average services per provider: 170. This provider delivers 6.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$827
Transactions
46
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 14 $282.42
Novo Nordisk INC 12 $158.45
Lilly USA, LLC 5 $80.16
GlaxoSmithKline, LLC. 3 $64.05
Amgen INC. 3 $62.15
Pfizer INC. 2 $40.46
Astellas Pharma US INC 1 $30.96
Exact Sciences Corporation 2 $30.58
Otsuka America Pharmaceutical, INC. 1 $28.31
Bayer Healthcare Pharmaceuticals INC. 1 $18.03
Idorsia Pharmaceuticals US INC 1 $17.31
Intra-Sana Laboratories 1 $14.23

By nature of payment

Food and Beverage
$827

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,976
Patients
918
Total drug cost
$30,858
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 605 178 $6,763
Losartan Potassium Generic 485 141 $5,559
Amlodipine Besylate Generic 360 109 $2,424
Metformin Hcl Generic 214 70 $1,646
Allopurinol Generic 193 60 $1,242
Levothyroxine Sodium Generic 150 41 $3,594
Metformin Hcl ER (Metformin Hcl) Brand 121 37 $1,010
Alendronate Sodium Generic 116 42 $1,637
Lisinopril Generic 114 36 $838
Tamsulosin Hcl Generic 109 36 $665

Frequently asked questions

Auto-generated from federal data
What is Dr. Romualdo Aragon's medical specialty?
Dr. Romualdo Aragon practices Internal Medicine Physician in Las Vegas, NV.
Where does Dr. Romualdo Aragon practice?
Dr. Romualdo Aragon practices at 1641 E Flamingo RD Ste 11, Las Vegas, NV 891195257. Office phone: 7027379520.
What is Dr. Romualdo Aragon's NPI?
Dr. Romualdo Aragon's National Provider Identifier (NPI) is 1043276249, issued by NPPES.
Does Dr. Romualdo Aragon accept Medicare assignment?
Yes. Dr. Romualdo Aragon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Romualdo Aragon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Chronic care management services (HCPCS 99490); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.