Active NPI 1336401082 Individual Practitioner Male Practitioner

Dr. Aaron Nilhas , MD

Surgery • Wichita, KS

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Aaron Nilhas, MD is a certified Surgery practicing in Wichita, KS. With approximately 14 years of clinical experience since graduating from University Of Kansas School Of Med (Kc/Wich/Sal) in 2012, Dr. Nilhas delivers high-quality medical care to the local community at 551 N HILLSIDE ST STE 201.

Dr. Nilhas is affiliated with Wichita Surgical Specialists Pa and accepts Medicare assignment.

Frequently performed procedures and clinical services include new patient outpatient office visit, follow-up hospital inpatient care per day, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

551 N Hillside St Ste 201

Wichita, KS 672144923

Telephone 3162630296

Fax 3162639523

Associated Practice Facility / Clinic

🏢 Wichita Surgical Specialists Pa Facility NPI 1154302180

Medicare Profile & Education

Medical School

University Of Kansas School Of Med (Kc/wich/sal)

Graduation Year

2012

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Wichita, KS

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

14 Yrs -6.5 yrs vs City Avg

City Avg: 20.5 Yrs

State Avg: 23.7 Yrs

Regional Practice Density

110 Specialists

Practicing in Wichita, KS (376 Statewide)

Telehealth Adoption Rate

0.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

69.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Nilhas (14 Years) 14 Yrs

Wichita Specialty Average (20.5 Years) 20.5 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
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	192	192	$297.00	$152.28
99231 Follow-up hospital inpatient care per day, typically 15 minutes	143	52	$72.69	$45.48
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	127	124	$590.00	$70.52
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	121	109	$193.00	$117.44
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	114	114	$856.00	$190.28
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	95	92	$244.47	$120.01
99213 Established patient office or other outpatient visit, typically 15 minutes	82	72	$128.00	$82.28
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	79	79	$192.00	$101.24
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	71	71	$916.00	$222.44
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	49	49	$510.00	$77.87
43249 Balloon dilation of esophagus using an endoscope	47	46	$646.00	$128.40
49650 Repair of groin hernia using an endoscope	45	45	$1152.00	$435.35
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	45	29	$133.00	$72.55
45378 Diagnostic exam of large bowel using a flexible endoscope	43	42	$728.00	$159.83
47562 Removal of gallbladder using an endoscope	41	41	$1518.00	$576.42
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	37	37	$38.00	$16.34
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	36	36	$2232.00	$291.82
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	33	33	$728.00	$160.42
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	33	33	$728.00	$162.14
45380 Biopsy of large bowel using an endoscope	31	31	$874.00	$135.98
99221 Initial hospital inpatient care per day, typically 30 minutes	18	18	$190.00	$75.66
49593 Initial repair of sliding hernia of abdomen, 3-10 cm in length	15	15	$1094.67	$508.18
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	14	13	$261.00	$166.24
49591 Initial repair of sliding hernia of abdomen, less than 3 cm in length	13	13	$621.08	$175.48
43246 Insertion of stomach tube using a flexible endoscope	13	13	$606.00	$165.63
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	12	$77.00	$51.75
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	12	11	$2995.67	$1147.06
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	11	11	$1538.00	$640.29

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	170	170	$297.00	$152.36
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	146	125	$193.00	$116.23
99231 Follow-up hospital inpatient care per day, typically 15 minutes	125	69	$78.00	$46.20
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	125	123	$259.00	$120.55
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	108	98	$590.00	$79.83
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	91	91	$856.00	$186.23
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	82	52	$141.00	$74.07
99213 Established patient office or other outpatient visit, typically 15 minutes	81	67	$128.00	$82.27
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	70	70	$192.00	$102.30
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	67	67	$916.00	$231.98
45378 Diagnostic exam of large bowel using a flexible endoscope	58	58	$728.00	$163.07
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	53	52	$510.00	$79.16
49650 Repair of groin hernia using an endoscope	45	45	$1152.00	$428.74
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	40	40	$38.00	$16.66
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	39	38	$728.00	$162.26
47562 Removal of gallbladder using an endoscope	38	38	$1518.00	$571.08
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	38	38	$728.00	$163.39
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	34	34	$2232.00	$301.86
43249 Balloon dilation of esophagus using an endoscope	28	22	$624.57	$132.55
99221 Initial hospital inpatient care per day, typically 30 minutes	22	22	$190.00	$77.07
49591 Initial repair of sliding hernia of abdomen, less than 3 cm in length	19	19	$550.00	$194.05
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	19	19	$261.00	$166.70
45380 Biopsy of large bowel using an endoscope	18	18	$874.00	$112.66
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	17	17	$2787.41	$1037.87
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	14	$77.00	$52.16
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	14	$353.57	$204.30
49593 Initial repair of sliding hernia of abdomen, 3-10 cm in length	14	14	$920.00	$496.56
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	12	12	$1632.00	$236.76
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	12	12	$1538.00	$648.52
43246 Insertion of stomach tube using a flexible endoscope	11	11	$606.00	$140.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	269	130	$78.00	$35.55
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	151	123	$193.00	$118.84
99221 Initial hospital inpatient care per day, typically 30 minutes	145	142	$190.00	$93.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	124	124	$297.00	$154.62
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	104	102	$259.00	$125.41
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	80	76	$916.00	$231.35
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	78	74	$590.00	$77.75
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	70	67	$38.00	$17.49
99213 Established patient office or other outpatient visit, typically 15 minutes	68	60	$128.00	$84.71
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	59	57	$510.00	$77.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	54	54	$192.00	$101.85
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	54	36	$141.00	$64.83
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	53	52	$2232.00	$310.72
45378 Diagnostic exam of large bowel using a flexible endoscope	52	52	$728.00	$163.73
43249 Balloon dilation of esophagus using an endoscope	31	26	$586.00	$123.69
47562 Removal of gallbladder using an endoscope	30	30	$1518.00	$599.64
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	29	29	$728.00	$170.02
49650 Repair of groin hernia using an endoscope	23	23	$1371.13	$522.64
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	22	22	$261.00	$171.08
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	22	22	$856.00	$180.76
43246 Insertion of stomach tube using a flexible endoscope	22	22	$615.55	$157.18
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	20	18	$1632.00	$242.29
76937 Ultrasonic guidance for blood vessel access	18	17	$32.00	$13.20
45380 Biopsy of large bowel using an endoscope	17	17	$874.00	$127.36
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	17	17	$381.00	$187.48
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	16	16	$1538.00	$665.98
99218 Hospital observation care typically 30 minutes	14	14	$152.00	$91.37
49568 Placement of mesh to repair incisional or abdominal hernia	14	14	$554.00	$243.22
99238 Hospital discharge day management, 30 minutes or less	13	13	$140.00	$62.52
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	12	12	$728.00	$172.45
36590 Removal of peripheral venous catheter for infusion	12	12	$598.00	$210.42
99219 Hospital observation care, typically 50 minutes	11	11	$220.00	$125.13
49560 Repair of incisional or abdominal hernia	11	11	$1500.00	$619.47

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	212	210	$259.00	$129.84
99231 Follow-up hospital inpatient care per day, typically 15 minutes	198	114	$78.00	$36.99
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	164	97	$141.00	$69.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	121	101	$193.00	$124.61
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	103	103	$297.00	$155.81
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	71	68	$38.00	$17.93
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	69	69	$381.00	$190.26
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	69	64	$590.00	$94.13
99221 Initial hospital inpatient care per day, typically 30 minutes	52	50	$190.00	$96.13
99213 Established patient office or other outpatient visit, typically 15 minutes	52	48	$128.00	$87.68
43246 Insertion of stomach tube using a flexible endoscope	48	47	$648.00	$163.96
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	43	41	$2232.00	$313.97
45378 Diagnostic exam of large bowel using a flexible endoscope	42	42	$728.00	$166.77
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	41	41	$192.00	$107.44
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	39	39	$510.00	$94.34
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	37	36	$916.00	$243.98
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	35	35	$1632.00	$237.41
76937 Ultrasonic guidance for blood vessel access	31	31	$32.00	$13.50
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	29	27	$202.00	$99.29
45380 Biopsy of large bowel using an endoscope	28	27	$874.00	$167.34
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	20	20	$1538.00	$673.91
47562 Removal of gallbladder using an endoscope	19	19	$1518.00	$620.80
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	18	18	$728.00	$173.21
49650 Repair of groin hernia using an endoscope	17	17	$1321.41	$502.74
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	16	$261.00	$174.23
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	15	15	$3050.13	$1283.99
99219 Hospital observation care, typically 50 minutes	14	14	$220.00	$128.87
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$375.00	$212.73
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	11	11	$728.00	$178.01
31600 Opening of windpipe through neck for insertion of breathing tube	11	11	$842.00	$289.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	318	158	$78.00	$37.63
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	200	193	$259.00	$132.13
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	157	95	$141.00	$69.03
99221 Initial hospital inpatient care per day, typically 30 minutes	137	130	$190.00	$97.89
99213 Established patient office or other outpatient visit, typically 15 minutes	83	75	$121.93	$70.50
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	79	79	$194.09	$100.14
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	77	65	$188.53	$103.46
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	75	75	$381.00	$195.40
43246 Insertion of stomach tube using a flexible endoscope	67	66	$643.16	$178.14
76937 Ultrasonic guidance for blood vessel access	63	59	$32.00	$14.10
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	60	57	$47.47	$18.15
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	59	57	$595.93	$99.45
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	38	35	$511.84	$95.51
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	37	34	$2277.19	$318.43
99202 New patient office or other outpatient visit, typically 20 minutes	37	37	$132.97	$71.36
45378 Diagnostic exam of large bowel using a flexible endoscope	36	35	$736.72	$170.58
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	35	33	$1632.00	$249.84
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	24	23	$923.67	$248.68
47562 Removal of gallbladder using an endoscope	23	23	$1518.00	$586.37
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$312.33	$156.98
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	19	19	$1630.84	$680.51
45380 Biopsy of large bowel using an endoscope	19	19	$874.00	$161.31
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	18	$76.58	$42.75
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	13	13	$867.08	$194.08
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	13	13	$728.00	$180.39
44143 Partial removal of large bowel with creation of opening	12	12	$3402.00	$1597.92
44120 Partial removal of small bowel	12	12	$2498.00	$1083.61
49650 Repair of groin hernia using an endoscope	11	11	$1443.45	$501.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	284	131	$78.00	$37.64
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	146	143	$259.00	$130.76
99221 Initial hospital inpatient care per day, typically 30 minutes	119	115	$190.00	$96.48
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	111	65	$141.00	$69.57
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	92	92	$194.51	$101.72
99213 Established patient office or other outpatient visit, typically 15 minutes	84	70	$126.00	$69.37
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	68	61	$191.10	$102.61
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	65	64	$381.00	$193.41
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	65	65	$590.00	$104.18
43246 Insertion of stomach tube using a flexible endoscope	43	42	$648.00	$181.18
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	30	29	$510.00	$97.44
45380 Biopsy of large bowel using an endoscope	29	28	$874.00	$111.76
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$298.77	$150.23
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	25	18	$76.76	$42.20
45378 Diagnostic exam of large bowel using a flexible endoscope	24	22	$728.00	$163.33
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	23	23	$916.00	$242.49
99202 New patient office or other outpatient visit, typically 20 minutes	22	22	$132.00	$71.77
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	21	21	$728.00	$179.29
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	21	20	$44.76	$17.16
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	21	21	$1538.00	$657.32
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	20	20	$728.00	$175.02
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	19	19	$856.00	$184.36
47562 Removal of gallbladder using an endoscope	18	18	$1475.83	$593.17
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	18	17	$1632.00	$202.90
99218 Hospital observation care typically 30 minutes	14	14	$152.00	$95.44
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	13	12	$2264.15	$310.87
99238 Hospital discharge day management, 30 minutes or less	12	12	$140.00	$69.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	409	193	$78.00	$37.59
99221 Initial hospital inpatient care per day, typically 30 minutes	174	174	$190.00	$96.69
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	129	94	$141.00	$69.82
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	95	94	$259.00	$130.93
99213 Established patient office or other outpatient visit, typically 15 minutes	59	54	$128.00	$67.81
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	55	54	$593.93	$83.94
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	49	49	$192.00	$101.37
43246 Insertion of stomach tube using a flexible endoscope	45	45	$656.80	$190.94
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	42	40	$38.00	$17.99
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	42	39	$1632.00	$246.48
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	39	38	$193.00	$100.05
99238 Hospital discharge day management, 30 minutes or less	34	34	$140.00	$69.92
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$297.00	$155.68
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	26	26	$510.00	$99.27
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	24	22	$916.00	$241.63
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	24	23	$77.00	$41.14
45378 Diagnostic exam of large bowel using a flexible endoscope	23	23	$728.00	$180.90
45380 Biopsy of large bowel using an endoscope	21	21	$874.00	$153.84
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	20	20	$2232.00	$316.02
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	20	20	$728.00	$171.16
47562 Removal of gallbladder using an endoscope	18	18	$1518.00	$621.76
99218 Hospital observation care typically 30 minutes	18	18	$152.00	$93.17
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	17	17	$381.00	$194.36
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	14	14	$1538.00	$675.29
44970 Removal of appendix using an endoscope	13	13	$1216.00	$568.22
99202 New patient office or other outpatient visit, typically 20 minutes	12	12	$132.00	$70.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	97	48	$78.00	$37.48
99221 Initial hospital inpatient care per day, typically 30 minutes	47	47	$190.00	$96.43
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	47	47	$259.00	$130.54
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	38	29	$141.00	$69.06
99238 Hospital discharge day management, 30 minutes or less	21	21	$140.00	$69.11
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	11	$188.83	$101.03

Medical Specialties & State Licenses

CMS Verified: 2025-06-11

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License KS 04-39787

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

Wichita Surgical Specialists Pa

551 N Hillside St, Wichita, KS 672144923

Phone: 3162630296

Secondary Practice Locations

818 N Emporia St Ste 200

Wichita, KS 672143788

Phone: 3162630296

Practice Associates & Co-Workers

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

34 Associated Practitioners

Sarah Corn

Surgery

NPI 1003252461

Allison Dick , APRN

Nurse Practitioner - Gerontology

NPI 1013403039

Advanced Practice Registered Nurse

Dr. David Grantham , MD

Surgery

NPI 1023247244

Doctor of Medicine (M.D.)

Dr. Duane Osborne , MD

Surgery

NPI 1033116835

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Career & Practice History Timeline

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

13 Historical Events

📍

Updated Practice Location August 02, 2021

Registered at 551 N HILLSIDE ST STE 201, WICHITA, KS 672144923 (Tel: 3162630296)

📍

Updated Business Mailing Address August 02, 2021

Registered at 551 N HILLSIDE ST STE 201, WICHITA, KS 672144923 (Tel: 3162630296)

✅

NPI Profile Active April 20, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location April 20, 2017

Registered at 818 N EMPORIA ST, SUITE 200, WICHITA, KS 672143729 (Tel: 3162630296)

📍

Updated Business Mailing Address April 20, 2017

Registered at 818 N EMPORIA ST, SUITE 200, WICHITA, KS 672143729 (Tel: 3162630296)

👤

Provider Name / Credentials Updated April 20, 2017

Recorded as AARON NILHAS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 20, 2017

Surgery (License #04-39787 in KS)

✅

NPI Profile Active June 08, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location June 08, 2012

Registered at 1010 N. KANSAS, WCGME, WICHITA, KS 67214 (Tel: 3162685000)

📍

Updated Business Mailing Address June 08, 2012

Registered at 1010 N. KANSAS, WCGME, WICHITA, KS 67214 (Tel: 3162685000)

👤

Provider Name / Credentials Updated June 08, 2012

Recorded as AARON NILHAS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 08, 2012

Surgery (License #9407843 in KS)

🟢

Initial NPI Registration & Enumeration June 08, 2012

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: 1336401082

Entity Type:

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

Enumeration Date: June 08, 2012

Last Update: June 11, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

551 N Hillside St Ste 201

Wichita, KS 672144923

Phone: 3162630296

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.