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DR. CALVIN DARNELL LYONS JR. M.D.
NPI 1811149404
Colon & Rectal Surgery in Las Vegas, NV

Active since October 15, 2008PECOS EnrolledAccepts Medicare Assignment
83.21/100
CMS Quality Rating
2121 E FLAMINGO RD STE 200, LAS VEGAS, NV 89119(702) 685-5668(702) 685-0599 Get Directions Write a Review

NPPES record last updated: January 6, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 6, 2025, Dec 18, 2024, Jan 10, 2018 (3 updates tracked since 2018).

About Dr. Calvin Darnell Lyons Jr. M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CALVIN DARNELL LYONS JR. M.D. (NPI 1811149404) is an individual colon & rectal surgery provider in Las Vegas, Nevada, licensed in Nevada (17624) and active in the NPI registry since October 2008. He is enrolled in Medicare PECOS, is affiliated with Saint Rose Dominican Hospitals - Siena Campus, and maintains a secondary practice location in Henderson.

NPPES Registry Identity

NPI1811149404
Entity TypeIndividualMale
Primary Taxonomy208C00000X
Provider Legal NameDR. CALVIN DARNELL LYONS JR.Credential: M.D.
Location Address2121 E FLAMINGO RD STE 200Las Vegas, NV 89119-5124
Mailing Address2121 E Flamingo Rd Ste 200Las Vegas, NV 89119-5124 · (702) 685-5668 · Fax (702) 685-0599
Phone(702) 685-5668
Fax(702) 685-0599
Sole ProprietorNo
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2008
Enumeration DateOctober 15, 2008
Last NPPES UpdateJanuary 6, 20253 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2025
✔ NPI 1811149404 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License✔ Licensed in NV · 17624
Definition
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.
Also ListedSurgeryTaxonomy 208600000X · License 17624 (NV)
2121 E FLAMINGO RD STE 200, Las Vegas, NV 89119
Open in Google Maps ↗

Secondary Practice Location 1

Location 12310 Corporate Cir Ste 200Henderson, NV 89074-7729 · Phone (702) 735-8000 · Fax (702) 563-2937

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Calvin Darnell Lyons Jr. M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9234440546
PECOS Enrollment IDI20180227002057
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
163 services94 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
110 services110 patients
Diagnostic exam of anus using an endoscope 46600
This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.
82 services60 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
49 services22 patients
Removal of external hemorrhoids by rubber banding 46221
Rubber band ligation is a procedure used to treat external hemorrhoids. A doctor places small rubber bands around the base of the hemorrhoids. This cuts off blood supply, causing them to shrink and fall off, typically within a week.
46 services18 patients
Diagnostic exam of rectum and lower large bowel using an endoscope 45300
This procedure, known as a sigmoidoscopy, involves using a thin, flexible instrument called an endoscope to examine your lower large bowel and rectum. This helps in identifying any abnormalities or issues that could affect your digestive health.
34 services34 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Saint Rose Dominican Hospitals - Siena Campus

Acute Care Hospitals · Henderson, NV
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number290045
Location3001 St Rose ParkwayHenderson, NV 89052 · Clark County
Emergency services Birthing friendly

Southern Hills Hospital And Medical Center

Acute Care Hospitals · Las Vegas, NV
4/5 CMS rating
OwnershipProprietary
CMS Certification Number290047
Location9300 West Sunset RdLas Vegas, NV 89148 · Clark County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89119 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.51 typical visit price
range $57.07 – $173.24
Typical copayment $22.12 (range $14.26 – $43.31)
Most-billed visit code 99203
Established Patient
$71.14 typical visit price
range $18.27 – $140.96
Typical copayment $17.78 (range $4.56 – $35.24)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.21/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality56.16
Improvement Activities40
Cost100

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ADRIANA VALDESPINO GONZALEZ
Behavior Technician
2121 E FLAMINGO RD STE 200
LAS VEGAS, NV 89119
Clark County (702) 994-3357
LESTER OSCAR QUINTANA SANCHEZ
Behavior Technician
2121 E FLAMINGO RD STE 200
LAS VEGAS, NV 89119
Clark County (702) 349-5872

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Calvin Lyons's NPI number?

The NPI number for Calvin Lyons is 1811149404. It was assigned to this individual provider in the NPPES registry on October 15, 2008.

Where is Calvin Lyons located?

Calvin Lyons practices at 2121 E Flamingo Rd Ste 200, Las Vegas, NV 89119. The listed phone number is (702) 685-5668.

What is Calvin Lyons's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Calvin Lyons enrolled in Medicare?

Yes. Calvin Lyons is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Calvin Lyons affiliated with any hospitals?

According to CMS data, Calvin Lyons is affiliated with Saint Rose Dominican Hospitals - Siena Campus and Southern Hills Hospital And Medical Center.

When was this NPI record last updated?

The NPPES record for Calvin Lyons was last updated on January 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.