Active NPI 1841260247 Individual Practitioner Male Practitioner

Dr. Nason Lui , MD

Surgery • Topeka, KS

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Nason Lui, MD is a certified Surgery practicing in Topeka, KS. With approximately 49 years of clinical experience since graduating from Northwestern University Feinberg Medical School in 1977, Dr. Lui delivers high-quality medical care to the local community at 823 SW MULVANE ST STE 330.

Dr. Lui is affiliated with Cotton-O'Neil Clinic Revocable Trust and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with straightforward or low-level medical decision making, if using time, at least, follow-up hospital inpatient care per day, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

823 Sw Mulvane St Ste 330

Topeka, KS 666061679

Telephone 7853549591

Associated Practice Facility / Clinic

🏢 Cotton-O'neil Clinic Revocable Trust Facility NPI 1811944457

Medicare Profile & Education

Medical School

Northwestern University Feinberg Medical School

Graduation Year

1977

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Topeka, KS

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

49 Yrs +25.0 yrs vs City Avg

City Avg: 24.0 Yrs

State Avg: 23.7 Yrs

Regional Practice Density

21 Specialists

Practicing in Topeka, KS (376 Statewide)

Telehealth Adoption Rate

23.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

63.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Lui (49 Years) 49 Yrs

Topeka Specialty Average (24.0 Years) 24.0 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
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	104	101	$247.16	$119.82
99231 Follow-up hospital inpatient care per day, typically 15 minutes	95	52	$78.00	$45.38
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	63	54	$77.45	$51.79
99213 Established patient office or other outpatient visit, typically 15 minutes	53	48	$131.97	$82.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	51	47	$191.66	$118.21
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	47	47	$293.64	$153.99
47562 Removal of gallbladder using an endoscope	45	45	$2253.00	$589.24
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	44	34	$130.20	$72.62
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	44	44	$192.97	$102.25
99221 Initial hospital inpatient care per day, typically 30 minutes	37	36	$183.45	$75.64
49505 Repair of groin hernia (5 years or older)	12	12	$1304.88	$435.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	105	105	$247.67	$123.77
99231 Follow-up hospital inpatient care per day, typically 15 minutes	95	57	$78.00	$47.06
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	66	58	$77.45	$52.93
99213 Established patient office or other outpatient visit, typically 15 minutes	50	46	$130.18	$85.29
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	45	45	$293.64	$157.18
99221 Initial hospital inpatient care per day, typically 30 minutes	44	43	$183.45	$78.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	41	33	$191.66	$116.91
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	36	29	$130.20	$75.45
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	31	31	$192.97	$105.27
47562 Removal of gallbladder using an endoscope	24	24	$2253.00	$606.35
49505 Repair of groin hernia (5 years or older)	19	19	$1267.89	$472.84
99202 New patient office or other outpatient visit, typically 20 minutes	17	17	$133.22	$68.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	76	36	$75.13	$36.54
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	68	67	$232.12	$128.26
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	67	59	$181.94	$120.02
99213 Established patient office or other outpatient visit, typically 15 minutes	61	47	$120.91	$86.42
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	59	59	$278.24	$158.90
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$182.34	$105.96
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	39	26	$121.34	$68.01
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	30	26	$75.19	$53.23
99221 Initial hospital inpatient care per day, typically 30 minutes	23	23	$177.30	$94.69
47562 Removal of gallbladder using an endoscope	17	17	$2253.00	$596.96
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	15	14	$985.80	$218.53
49505 Repair of groin hernia (5 years or older)	14	14	$1376.57	$505.94
19301 Partial removal of breast	13	12	$1466.20	$603.23
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	13	13	$349.19	$187.84
49587 Repair of trapped hernia at navel patient age 5 years or older	12	12	$1464.50	$371.98
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	12	12	$37.75	$17.62

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	116	62	$74.75	$36.88
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	99	56	$120.60	$68.84
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	78	63	$178.41	$122.17
99213 Established patient office or other outpatient visit, typically 15 minutes	72	59	$120.60	$87.39
99221 Initial hospital inpatient care per day, typically 30 minutes	53	53	$176.00	$95.85
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	50	50	$272.00	$160.58
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	49	48	$228.90	$128.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$178.80	$106.99
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	27	22	$72.60	$53.62
47562 Removal of gallbladder using an endoscope	22	22	$2253.00	$619.05
36415 Insertion of needle into vein for collection of blood sample	16	15	$16.00	$3.00
49568 Placement of mesh to repair incisional or abdominal hernia	11	11	$597.50	$228.36

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	143	62	$118.84	$70.92
99213 Established patient office or other outpatient visit, typically 15 minutes	141	105	$113.00	$71.68
99231 Follow-up hospital inpatient care per day, typically 15 minutes	117	58	$74.75	$38.51
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	70	70	$222.44	$134.34
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	60	49	$168.00	$103.74
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$172.94	$103.24
99221 Initial hospital inpatient care per day, typically 30 minutes	26	25	$176.00	$99.52
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	25	25	$328.12	$197.52
97605 Therapy procedure using a special bandage and vacuum pump, surface area 50.0 sq cm or less	20	19	$224.25	$26.11
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$266.45	$158.39
36415 Insertion of needle into vein for collection of blood sample	18	17	$16.00	$3.00
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	16	$70.54	$43.42
49505 Repair of groin hernia (5 years or older)	16	16	$1204.50	$501.75
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	16	11	$171.63	$102.25
47562 Removal of gallbladder using an endoscope	15	15	$2253.00	$636.22
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	13	13	$62.75	$7.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	141	70	$74.75	$38.19
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	128	122	$217.00	$132.66
99213 Established patient office or other outpatient visit, typically 15 minutes	117	90	$98.00	$69.71
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	59	36	$117.00	$70.60
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	40	$145.00	$101.17
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	40	40	$321.00	$196.24
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	37	37	$252.74	$154.98
47562 Removal of gallbladder using an endoscope	27	27	$2253.00	$632.50
49505 Repair of groin hernia (5 years or older)	25	23	$1170.78	$469.67
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	23	23	$165.00	$96.74
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	18	$66.00	$42.75
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	17	13	$167.00	$100.97
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	17	16	$2949.25	$306.62
19301 Partial removal of breast	14	13	$911.75	$612.32
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	13	12	$37.75	$18.27
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	12	12	$707.25	$209.33
36415 Insertion of needle into vein for collection of blood sample	12	11	$16.00	$2.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	207	194	$321.00	$192.38
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	145	86	$117.00	$69.38
99213 Established patient office or other outpatient visit, typically 15 minutes	136	109	$98.00	$68.92
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	98	66	$167.00	$97.55
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	79	68	$145.00	$99.94
47562 Removal of gallbladder using an endoscope	48	48	$2253.00	$624.51
49505 Repair of groin hernia (5 years or older)	30	28	$1244.65	$491.04
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$252.45	$151.45
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$165.00	$101.75
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	20	$66.00	$41.18
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	17	16	$2949.25	$276.46
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	17	$217.00	$131.05
36415 Insertion of needle into vein for collection of blood sample	15	15	$16.00	$2.94
44120 Partial removal of small bowel	14	14	$2831.04	$1047.52
44143 Partial removal of large bowel with creation of opening	12	12	$2633.75	$1529.14
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	11	11	$37.75	$17.99
49568 Placement of mesh to repair incisional or abdominal hernia	11	11	$597.50	$253.96

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	242	105	$117.00	$69.06
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	190	179	$321.00	$193.48
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	133	77	$167.00	$99.04
99213 Established patient office or other outpatient visit, typically 15 minutes	103	86	$98.00	$68.02
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	65	56	$66.00	$40.15
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	37	37	$165.00	$99.44
47562 Removal of gallbladder using an endoscope	33	33	$2253.00	$597.31
44120 Partial removal of small bowel	19	19	$2980.00	$1125.34
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	16	$145.00	$101.03
44140 Partial removal of large bowel	16	16	$3113.75	$1256.08
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	14	14	$2949.25	$292.63
49560 Repair of incisional or abdominal hernia	12	12	$1582.00	$656.50
49505 Repair of groin hernia (5 years or older)	12	12	$1204.50	$490.18
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	12	12	$37.75	$18.26
11043 Removal of muscle and/or tissue, 20.0 sq cm or less	12	12	$556.50	$148.78
49568 Placement of mesh to repair incisional or abdominal hernia	12	12	$597.50	$253.89
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	11	11	$707.25	$269.98
49585 Repair of hernia at navel (5 years or older)	11	11	$1303.75	$361.83

Medical Specialties & State Licenses

CMS Verified: 2026-07-10

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License KS 04-20308

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

100199140B (KS)

Commercial Insurance / Payer ID Medicare Ptan

068002284 (KS)

Hospital & Practice Group Affiliations

Cotton-O'neil Clinic Revocable Trust

1516 Sw 6th Ave, Topeka, KS 666061696

Phone: 7852331747

Secondary Practice Locations

1500 Sw 10th Ave

Topeka, KS 666041301

Phone: 7853546000

Practice Associates & Co-Workers

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

40 Associated Practitioners

Angela Henderlong , APRN

Nurse Practitioner

NPI 1003311887

Advanced Practice Registered Nurse

Jamuna Jackson , APRN

Nurse Practitioner

NPI 1003518135

Advanced Practice Registered Nurse

Dr. Wade Stinson , MD

Surgery - Surgical Critical Care

NPI 1033473426

Doctor of Medicine (M.D.)

Dr. Theophilus Ogungbamigbe , MD

Internal Medicine - Pulmonary Disease

NPI 1043231228

Doctor of Medicine (M.D.)

Dr. Vidita Divan , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1043625445

Doctor of Medicine (M.D.)

Gary Graf , APRN

Nurse Practitioner

NPI 1053482174

Advanced Practice Registered Nurse

Career & Practice History Timeline

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

20 Historical Events

📍

Updated Business Mailing Address February 15, 2022

Registered at 823 SW MULVANE ST STE 330, TOPEKA, KS 666061679 (Tel: 7853549591)

👤

Provider Name / Credentials Updated February 15, 2022

Recorded as NASON LUI, MD

📍

Updated Practice Location May 20, 2020

Registered at 823 SW MULVANE ST STE 330, TOPEKA, KS 666061679 (Tel: 7853549591)

📍

Updated Business Mailing Address May 20, 2020

Registered at 1500 SW 10TH AVE, MEDICAL STAFF SERVICES, TOPEKA, KS 666041301 (Tel: 7853546241)

✅

NPI Profile Active March 16, 2018

NPI status registered as active in NPPES database

📍

Updated Practice Location March 16, 2018

Registered at 1516 SW 6TH AVE, TOPEKA, KS 666061696 (Tel: 7852331747)

📍

Updated Business Mailing Address March 16, 2018

Registered at 1516 SW 6TH AVE, TOPEKA, KS 666062730 (Tel: 7852331747)

👤

Provider Name / Credentials Updated March 16, 2018

Recorded as NASON LUI, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 16, 2018

Surgery (License #04-20308 in KS)

✅

NPI Profile Active February 03, 2018

NPI status registered as active in NPPES database

📍

Updated Practice Location February 03, 2018

Registered at 1516 SW 6TH AVE, TOPEKA, KS 666061696 (Tel: 7852331747)

📍

Updated Business Mailing Address February 03, 2018

Registered at 1516 SW 6TH AVE, TOPEKA, KS 666061696 (Tel: 7852331747)

👤

Provider Name / Credentials Updated February 03, 2018

Recorded as NASON LUI, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 03, 2018

Surgery (License #04-20308 in KS)

✅

NPI Profile Active December 22, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location December 22, 2014

Registered at 1516 SW 6TH AVE, TOPEKA, KS 666061696 (Tel: 7852331747)

📍

Updated Business Mailing Address December 22, 2014

Registered at 1516 SW 6TH AVE, TOPEKA, KS 666061696 (Tel: 7852331747)

👤

Provider Name / Credentials Updated December 22, 2014

Recorded as NASON LUI, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 22, 2014

Surgery (License #04-20308 in KS)

🟢

Initial NPI Registration & Enumeration January 26, 2006

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: 1841260247

Entity Type:

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

Enumeration Date: January 26, 2006

Last Update: July 10, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

823 Sw Mulvane St Ste 330

Topeka, KS 666061679

Phone: 7853549591

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.