Active NPI 1811149404 Individual Practitioner Male Practitioner

Dr. Calvin Darnell Lyons , MD

Colon & Rectal Surgery • Las Vegas, NV

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Calvin Lyons, MD is a certified Colon & Rectal Surgery practicing in Las Vegas, NV. With approximately 18 years of clinical experience since graduating from University Of Texas Southwestern Medical School At Dallas in 2008, Dr. Lyons delivers high-quality medical care to the local community at 2121 E FLAMINGO RD STE 200.

Dr. Lyons is affiliated with Las Vegas Urology Llp and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, diagnostic examination of the anus using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2121 E Flamingo Rd Ste 200

Las Vegas, NV 891195124

Telephone 7026855668

Fax 7026850599

Associated Practice Facility / Clinic

🏢 Yp Crabb Phd Porfessional Corporation Facility NPI 1740459908

Medicare Profile & Education

Medical School

University Of Texas Southwestern Medical School At Dallas

Graduation Year

2008

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Colon & Rectal Surgery in Las Vegas, NV

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

18 Yrs -2.9 yrs vs City Avg

City Avg: 20.9 Yrs

State Avg: 21.8 Yrs

Regional Practice Density

11 Specialists

Practicing in Las Vegas, NV (17 Statewide)

Telehealth Adoption Rate

36.4% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

63.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Lyons (18 Years) 18 Yrs

Las Vegas Specialty Average (20.9 Years) 20.9 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	163	94	$254.60	$120.75
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	110	110	$335.55	$157.08
46600 Diagnostic examination of the anus using an endoscope	82	60	$197.87	$112.76
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	49	22	$57.57	$12.60
46221 Removal of external hemorrhoids by rubber banding	46	18	$560.63	$251.17
45300 Diagnostic examination of rectum and large bowel using an endoscope	34	34	$225.00	$123.46
15860 Injection of agent into vein to assess blood flow of skin graft or flap	22	22	$356.59	$31.43
49905 Repair of abdomen using abdominal lining graft	18	18	$697.00	$225.82
45300 Diagnostic examination of rectum and large bowel using an endoscope	15	15	$226.87	$20.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	130	86	$200.00	$127.79
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	103	103	$308.00	$164.24
45300 Diagnostic examination of rectum and large bowel using an endoscope	68	65	$211.00	$126.11
46600 Diagnostic examination of the anus using an endoscope	51	40	$155.00	$121.24
15860 Injection of agent into vein to assess blood flow of skin graft or flap	28	28	$240.00	$34.32
45300 Diagnostic examination of rectum and large bowel using an endoscope	19	18	$211.00	$26.75
49905 Repair of abdomen using abdominal lining graft	18	18	$697.00	$173.05
99213 Established patient office or other outpatient visit, typically 15 minutes	11	11	$134.00	$84.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	111	66	$200.00	$124.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	66	66	$308.00	$167.49
45300 Diagnostic examination of rectum and large bowel using an endoscope	56	54	$211.00	$121.56
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	38	17	$43.00	$13.40
46221 Removal of external hemorrhoids by rubber banding	35	15	$469.00	$274.01
46600 Diagnostic examination of the anus using an endoscope	25	21	$155.00	$126.77
45300 Diagnostic examination of rectum and large bowel using an endoscope	14	14	$211.00	$24.69
15860 Injection of agent into vein to assess blood flow of skin graft or flap	13	13	$240.00	$33.68
44207 Partial removal of large bowel and reattachment to rectum using an endoscope	11	11	$3536.00	$752.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	90	54	$200.00	$130.09
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	87	87	$308.00	$171.55
45300 Diagnostic examination of rectum and large bowel using an endoscope	67	61	$211.00	$130.24
46600 Diagnostic examination of the anus using an endoscope	40	32	$155.00	$119.81
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	31	15	$43.00	$14.46
46221 Removal of external hemorrhoids by rubber banding	31	14	$469.00	$294.71
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	11	11	$620.00	$247.26
45300 Diagnostic examination of rectum and large bowel using an endoscope	11	11	$211.00	$25.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	62	38	$200.00	$108.02
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$308.00	$162.14
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	44	13	$140.00	$73.51
45300 Diagnostic examination of rectum and large bowel using an endoscope	34	33	$211.00	$113.87
46600 Diagnostic examination of the anus using an endoscope	22	17	$155.00	$98.99
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	19	14	$43.00	$13.63
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	16	14	$384.00	$206.28
45300 Diagnostic examination of rectum and large bowel using an endoscope	14	13	$211.00	$25.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	126	14	$140.00	$72.82
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	62	39	$200.00	$106.63
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	57	57	$308.00	$160.36
45300 Diagnostic examination of rectum and large bowel using an endoscope	54	52	$211.00	$105.82
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	35	19	$43.00	$16.35
46221 Removal of external hemorrhoids by rubber banding	32	17	$469.00	$268.97
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	20	20	$387.00	$198.44
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	20	16	$384.00	$202.45
46600 Diagnostic examination of the anus using an endoscope	14	13	$155.00	$90.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$308.00	$165.60
45300 Diagnostic examination of rectum and large bowel using an endoscope	19	19	$211.00	$124.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	11	$200.00	$108.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
91120 Testing of tone and sensation of rectum and anus	17	17	$800.00	$428.14
91122 Study of rectum sensitivity and function	17	17	$700.00	$230.90
51784 Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings	17	17	$500.00	$70.33

Medical Specialties & State Licenses

CMS Verified: 2025-01-06

Colon & Rectal Surgery Primary Specialty

NUCC Taxonomy Code: 208C00000X

State License NV 17624

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.

Surgery

NUCC Taxonomy Code: 208600000X

State License NV 17624

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Hospital & Practice Group Affiliations

Las Vegas Urology Llp

2310 Corporate Cir, Henderson, NV 890747729

Phone: 7027358000

Secondary Practice Locations

2310 Corporate Cir Ste 200

Henderson, NV 890747729

Phone: 7027358000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners

Dr. Amy Levin , MD

Surgery

NPI 1417113119

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

12 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 06, 2025

Surgery (License #17624 in NV)

✅

NPI Profile Active January 10, 2018

NPI status registered as active in NPPES database

📍

Updated Practice Location January 10, 2018

Registered at 2121 E FLAMINGO RD STE 200, LAS VEGAS, NV 891195124 (Tel: 7026855668)

📍

Updated Business Mailing Address January 10, 2018

Registered at 2121 E FLAMINGO RD STE 200, LAS VEGAS, NV 891195124 (Tel: 7026855668)

👤

Provider Name / Credentials Updated January 10, 2018

Recorded as CALVIN LYONS, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 10, 2018

Colon & Rectal Surgery (License #17624 in NV)

✅

NPI Profile Active October 15, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location October 15, 2008

Registered at 6550 FANNIN ST., SM 1661, THE METHODIST HOSPITAL DEPARTMENT OF SURGERY, HOUSTON, TX 77030 (Tel: 7134416172)

📍

Updated Business Mailing Address October 15, 2008

Registered at 6550 FANNIN ST., SM 1661, THE METHODIST HOSPITAL DEPARTMENT OF SURGERY, HOUSTON, TX 77030 (Tel: 7134416172)

👤

Provider Name / Credentials Updated October 15, 2008

Recorded as CALVIN LYONS, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 15, 2008

Student in an Organized Health Care Education/Training Program (License #TMBPIT#533773 in TX)

🟢

Initial NPI Registration & Enumeration October 15, 2008

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1811149404

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: October 15, 2008

Last Update: January 06, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2121 E Flamingo Rd Ste 200

Las Vegas, NV 891195124

Phone: 7026855668

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.