Calvin Darnell Lyons, M.D.
Colon & Rectal Surgery Physician · Las Vegas, NV
Calvin Darnell Lyons, M.D. is a colon & rectal surgery physician with a practice address in Las Vegas, Nevada, and NPI 1811149404, issued on Oct 15, 2008. Check the license (Nevada 17624, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Calvin Darnell Lyons
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- 17624 NV
Self-reported in NPPES; status is on the state search - Practice location
- 2121 E Flamingo RD Ste 200, Las Vegas, NV 89119
- Phone
- (702) 685-5668
- Enumerated
- Oct 15, 2008
- Record last updated
- Jan 6, 2025
- Fax
- (702) 685-0599
- Medicare enrollment
- Enrolled (PECOS I20180227002057); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 17 in Nevada → Look up another NPI →
Also registered at 2121 E Flamingo RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lester Quintana SanchezBehavior Technician1487460069
- Adriana Valdespino GonzalezBehavior Technician1073383717
Verify Calvin Darnell Lyons in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 17624Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
97 Medicare Part D claims for 60 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 18 claims were for opioids.
Most prescribed
- Neomycin Sulfate14 claims
- Metronidazole13 claims
- Oxycodone-Acetaminophen12 claims
- Sutab11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $337.68
8 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 1,524 providers of this specialty with any payment received $3,468.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Las Vegas Urology LLPHenderson, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Calvin Darnell Lyons among 17 colon & rectal surgery physician records in Nevada
Calvin Darnell Lyons, M.D. is one of 17 colon & rectal surgery physician records with a practice address in Nevada. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 41% of them.
- NPI issued2008 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileYes · 88% of these records are
- Graduated2008 · median 2008 among the 15 with a school on file
- Record last updated2025 · 18% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in Nevada
There are 17 colon & rectal surgery physician records in Nevada.
All 17 in Nevada → Every provider in Las Vegas → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Ketan Thanki, M.D.Las Vegas, NV 891181093058869
- Stephanie Wishnev, MDLas Vegas, NV 891181043219686
- Ren Zhang, MDLas Vegas, NV 891181902910052
- Roger Hsiung, M.D.Las Vegas, NV 891131578687661
- Garrett Friedman, M.D.Las Vegas, NV 891281316237944
- Katherine SpechtLas Vegas, NV 891281073045647
- Melissa Miles, M.D.Las Vegas, NV 891061992091755
- Lance Horner, M.D.Las Vegas, NV 891021952842205
Common questions
What is Calvin Darnell Lyons, M.D.'s NPI number?
Calvin Darnell Lyons, M.D.'s National Provider Identifier (NPI) is 1811149404, issued on Oct 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Calvin Darnell Lyons, M.D. located?
The NPPES record lists a practice address at 2121 E Flamingo RD Ste 200, Las Vegas, NV, 89119. Phone: (702) 685-5668. Providers update this record themselves, so call before visiting.
How can I verify Calvin Darnell Lyons, M.D.'s license?
NPPES lists Nevada license number 17624, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Calvin Darnell Lyons, M.D. prescribe under Medicare Part D?
In 2024, Calvin Darnell Lyons, M.D. had 97 Medicare Part D claims for 60 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
What is Calvin Darnell Lyons, M.D.'s MIPS final score?
The 2023 MIPS final score is 83.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.