Calvin Darnell Lyons, M.D.

Colon & Rectal Surgery

Calvin Darnell Lyons is a Colon & Rectal Surgery specialist based in Las Vegas, NV with over 18 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: GENERAL SURGERY

(702) 685-5668Las Vegas, NV
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Calvin Darnell Lyons, M.D. has been part of the Las Vegas medical community since 2008 in group practice. He graduated from University of Texas Southwestern Medical School at Dallas in 2008 and has 18+ years of clinical experience. He regularly sees Medicare patients with hypertension, high cholesterol, and cancer (per CMS claims data). CMS MIPS quality score: 83.22/100 (2023).

At a glance

  • Federal MIPS score higher than 68% of MIPS-scored doctors in Nevada
  • Virtual visits available — no app or travel required
1 of 6 Colon & Rectal Surgery providers in NVSee all Colon & Rectal Surgery in Las Vegas18+ years experienceNPI since 2008

Older · 502dNPPES updated 2025-01-06 · verify NPI on CMS · Verify license at Nevada State Board of Medical Examiners

Contact & Location

Practice Location

2121 E Flamingo Rd Ste 200, Las Vegas, NV 89119-5124

Fax: (702) 685-0599
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor has an average quality score compared to other doctors in Nevada.

MIPS Score

2023

83.22/100

Nevada avg: 67.5 · US avg: 83.6

Lower than most doctors nationally(-0.4 pts)

Average range among MIPS-scored doctors in Nevada

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Opioid Rx

↓ Lower = better

12.7%

Nevada avg: 5.4 · US avg: 5.1

Lower than most doctors nationally(+7.6 pts)

12.7% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

79.4%

Nevada avg: 84.7 · US avg: 82.8

Lower than most doctors nationally(-3.4 pts)

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

185

Unique beneficiaries

Standard volume

Prescription Recipients

72

Patients prescribed

Prescriptions Written

126

Total claims

Total Medicare drug cost: $5k

Percentile rankings compared against 283 reporting peers in Nevada.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Cancer.

Hypertension
Higher than avg (+5%)75%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↑ More patients than average (+5%) — a focus area for this doctor

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+5%) — a focus area for this doctor

Cancer
Higher than avg (+23%)44%

Diseases involving abnormal cell growth with potential to spread to other body parts

US avg: 20.8%

↑ More patients than average (+23%) — a focus area for this doctor

Arthritis
Lower than avg (-6%)43%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-6%) — less common here

Diabetes
Higher than avg (+7%)41%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↑ More patients than average (+7%) — a focus area for this doctor

Ischemic Heart Disease
Higher than avg (+2%)34%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↑ More patients than average (+2%) — a focus area for this doctor

Anxiety Disorders
Lower than avg (-5%)29%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↓ Fewer patients than average (-5%) — less common here

Mood Disorders
26%

Conditions affecting emotional state, including depression and bipolar disorder

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$338 received from industry

8 transactions reported in 2024 ·Low tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Calvin Darnell Lyons's NPI.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2008

    University of Texas Southwestern Medical Center

  2. Board certified · Jan 5, 2025

    Self-reported via NPPES

  3. 18 years in practice

    Experienced

Colon & Rectal SurgeryAllopathic & Osteopathic Physicians

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Taxonomy: 208C00000X

Education & Training

University of Texas Southwestern Medical School at Dallas (Class of 2008)

Virtual Colon & Rectal Surgery Care With Calvin Darnell Lyons

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Calvin Darnell Lyons for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Las Vegas required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Calvin Darnell Lyons

NPI records show Dr. Lyons as active with telehealth listed in Las Vegas, NV. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (702) 685-5668.

Verified across 6 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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