Dr. Calvin Darnell Lyons Jr., MD
- Medicare services, 2024
- 539
- Medicare patients, 2024
- 193
- Part D claims, 2024
- 97
- Hospital affiliations
- 3
- Industry payments
- $11,022
- Practice address
- 7150 W. Sunset Road, Las Vegas, NV 89113
- Practice phone
- Call (702) 408-1526
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advanced Surgical Center Las Vegas
Surgery Center - Medicare-Certified · Las Vegas, Nevada
Find Dr. Lyons' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Calvin Darnell Lyons Jr. is a colorectal surgeon in Las Vegas, Nevada
Dr. Lyons practices at Advanced Surgical Center Las Vegas in Las Vegas, Nevada.
Dr. Lyons' NPI, 1811149404, was assigned on October 15, 2008. Dr. Lyons graduated from University of Texas Southwestern Medical School at Dallas in 2008. Dr. Lyons holds Nevada license 17624.
- NPI
- 1811149404NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234440546
- NPI enumeration date
- October 15, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (702) 408-1526
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Calvin Darnell Lyons Jr. practices at Advanced Surgical Center Las Vegas in Las Vegas, Nevada
Dr. Lyons' primary practice is Advanced Surgical Center Las Vegas, at 7150 W. Sunset Road, Las Vegas, NV 89113. The practice phone is (702) 408-1526.
- Advanced Surgical Center Las Vegas7150 W. Sunset Road, Las Vegas, NV 89113Phone(702) 408-1526
Source: Dmand AI Affiliation Data
Dr. Calvin Darnell Lyons Jr. is affiliated with 6 sites of care and 3 medical groups
Dr. Lyons' primary practice is Advanced Surgical Center Las Vegas in Las Vegas, Nevada. Dr. Lyons is also affiliated with Southern Hills Hospital and Medical Center. The medical group on file is Las Vegas Urology. Dmand AI also links Dr. Lyons to 2 more hospitals, 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Calvin Darnell Lyons Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lyons practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advanced Surgical Center Las Vegas | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Calvin Darnell Lyons Jr. is one of 16 colorectal surgeons in Nevada
Colon and rectal surgery is Dr. Lyons' primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Lyons is licensed in Nevada.
Specialties and state licenses
- Colon and rectal surgery, NevadaPrimary
Colorectal surgeons near Dr. Lyons
Counts of colorectal surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Calvin Darnell Lyons Jr. billed Medicare for 539 services in 2024
CMS data shows 539 Medicare services from Dr. Lyons across 8 procedure codes in 2024, for 193 Medicare patients. Medicare paid $51,386 for them.
Dr. Lyons' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2442024: 27312%
- Surgery
- 2023: 1842024: 21718%
- Tests and treatments
- 2023: 02024: 49
Where Dr. Lyons' Medicare services took place, 2024
- In an office48490%
- In a facility5510%
Dr. Lyons compared with the Nevada median for colorectal surgeons, 2024
- Dr. Lyons
- Nevada median
- Medicare services
- 539vs 2542.1 times
- Medicare patients
- 193vs 15822% above
- Part D claims
- 50vs 6118% below
Medians across 16 colorectal surgeons in Nevada with Dmand AI profiles that report each measure.
Dr. Lyons' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Lyons?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lyons and other colorectal surgeons in Nevada.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Calvin Darnell Lyons Jr. treated 193 Medicare patients in 2024, average age 71
CMS counts 193 Medicare patients who saw Dr. Lyons in 2024. The largest group is 65 to 74, with 92 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lyons' median patient age at 58, with 41% women.
Dr. Lyons' Medicare patients by age, 2024
Dr. Lyons' Medicare patients by sex, 2024
- Women11258%
- Men8142%
Chronic conditions among Dr. Lyons' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Cancer38%
- Anxiety32%
- Diabetes28%
- Ischemic heart disease26%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lyons' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Calvin Darnell Lyons Jr. wrote 97 Medicare Part D claims in 2024
In 2024, Dr. Lyons wrote 97 Medicare Part D claims for 60 patients. 78% of them were for generic drugs. CMS names the drug for 50 of them, across 4 drugs with 11 or more claims each, at $1,995 in total drug cost. In 2023, CMS named 80 claims across 4 drugs.
Dr. Lyons' Part D claims by kind of drug, 2024
- Generic76 claims78%
- Brand-name21 claims22%
Dr. Lyons' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lyons' Part D claims, 2024
- Opioids19%18 of 97 claims
- Antibiotics29%28 of 97 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 802024: 5038%
Drugs named by CMS: 4 in 2024, 4 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Calvin Darnell Lyons Jr. ranks in the 67th percentile for colonoscopy in Medicare
Dr. Lyons accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lyons as offering telehealth. CMS counts 59 procedures of colonoscopy by Dr. Lyons, more than 67% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Lyons ranks in Medicare procedure volume
- Colonoscopy
- 67th percentile59 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Calvin Darnell Lyons Jr. received $11,022 in industry payments from 2016 to 2025
CMS Open Payments shows 108 general payments to Dr. Lyons from 40 drug and device companies from 2016 to 2025. Education make up the largest share, 32% of the total. Intuitive Surgical, Inc. paid the most, $6,746.
General payments to Dr. Lyons by program year, 2016 to 2025
General payments to Dr. Lyons by kind, 2016 to 2025
- Education$3,50032%
- Food and beverage$3,40831%
- Travel and lodging$2,33722%
- Consulting fees$9759%
- Other$6436%
Companies that paid Dr. Lyons the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Calvin Darnell Lyons Jr. graduated from University of Texas Southwestern Medical School at Dallas
Dr. Lyons graduated from University of Texas Southwestern Medical School at Dallas in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Calvin Darnell Lyons Jr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Calvin Darnell Lyons Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Calvin Darnell Lyons Jr.'s NPI number?
Dr. Calvin Darnell Lyons Jr.'s NPI number is 1811149404. It was assigned on October 15, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Calvin Darnell Lyons Jr.?
Dr. Calvin Darnell Lyons Jr. is a colorectal surgeon in Las Vegas, Nevada. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).
Where does Dr. Calvin Darnell Lyons Jr. practice?
Dr. Lyons practices at 7150 W. Sunset Road, Las Vegas, NV 89113. Dr. Lyons' primary practice is Advanced Surgical Center Las Vegas in Las Vegas, Nevada. Dmand AI also links Dr. Lyons to 2 hospitals, 2 group practices and clinics and 2 medical groups.
What is Dr. Calvin Darnell Lyons Jr.'s office phone number?
The practice phone on file for Dr. Lyons is (702) 408-1526.
What is Dr. Calvin Darnell Lyons Jr.'s medical license number?
Dr. Lyons holds Nevada license 17624.
Which hospitals is Dr. Calvin Darnell Lyons Jr. affiliated with?
Dr. Lyons is affiliated with Southern Hills Hospital and Medical Center. Dmand AI links Dr. Lyons to 2 more hospitals.
What medical group is Dr. Calvin Darnell Lyons Jr. part of?
Dr. Lyons is linked to Las Vegas Urology. Dmand AI links Dr. Lyons to 2 more medical groups.
Does Dr. Calvin Darnell Lyons Jr. accept Medicare?
Yes. CMS data shows Dr. Lyons billed Medicare for 539 services in 2024, and Dr. Lyons accepts Medicare assignment.
Does Dr. Calvin Darnell Lyons Jr. offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lyons as offering telehealth services.
How many Medicare patients does Dr. Calvin Darnell Lyons Jr. see?
CMS counts 193 Medicare patients who saw Dr. Lyons in 2024, with an average age of 71.
Show 5 more questionsShow fewer questions
What services does Dr. Calvin Darnell Lyons Jr. bill to Medicare?
In 2024, Dr. Lyons' most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and surgery: digestive system (46600).
Where did Dr. Calvin Darnell Lyons Jr. go to medical school?
Dr. Lyons graduated from University of Texas Southwestern Medical School at Dallas in 2008.
What drugs does Dr. Calvin Darnell Lyons Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Lyons' most prescribed drugs by claims were Neomycin Sulfate, Metronidazole and Oxycodone-Acetaminophen.
Has Dr. Calvin Darnell Lyons Jr. received payments from drug or device companies?
CMS Open Payments shows $11,022 in general payments to Dr. Lyons from 40 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Calvin Darnell Lyons Jr. been practicing?
Dr. Lyons graduated from medical school in 2008, 18 years ago.
Selling to colon and rectal surgery practices?
See colorectal surgeons in Nevada by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card