Active NPI 1437240009 Individual Practitioner Male Practitioner

Dr. Dwaine Anthony Tesnohlidek , MD

Surgery • Ontario, OR

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Dwaine Tesnohlidek, MD is a certified Surgery practicing in Ontario, OR. With approximately 37 years of clinical experience since graduating from University Of Washington School Of Medicine in 1989, Dr. Tesnohlidek delivers high-quality medical care to the local community at 351 SW 9TH ST.

Dr. Tesnohlidek is affiliated with Saint Alphonsus Medical Center- Ontario Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito, new patient outpatient office visit, removal of polyps or growths of large bowel using an endoscope with mechanical snare. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

351 Sw 9th St

Ontario, OR 979142639

Telephone 5418817184

Fax 5418817016

Associated Practice Facility / Clinic

🏢 Treasure Valley Anesthesia Pc Facility NPI 1215992003

Medicare Profile & Education

Medical School

University Of Washington School Of Medicine

Graduation Year

1989

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Ontario, OR

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

37 Yrs +3.0 yrs vs City Avg

City Avg: 34.0 Yrs

State Avg: 23.3 Yrs

Regional Practice Density

3 Specialists

Practicing in Ontario, OR (555 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

67.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Tesnohlidek (37 Years) 37 Yrs

Ontario Specialty Average (34.0 Years) 34.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	98	97	$10.00	$4.87
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	68	68	$187.93	$76.86
99202 New patient office or other outpatient visit, typically 20 minutes	60	60	$112.30	$45.24
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	52	52	$595.23	$234.30
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	51	51	$338.31	$75.24
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	45	40	$208.78	$92.14
45380 Biopsy of large bowel using an endoscope	43	43	$503.98	$117.86
99213 Established patient office or other outpatient visit, typically 15 minutes	36	32	$142.50	$62.32
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	24	$77.50	$33.46
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	21	21	$370.24	$156.33
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	20	20	$392.65	$170.35
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$294.06	$120.46
45378 Diagnostic exam of large bowel using a flexible endoscope	15	14	$426.73	$150.36
49505 Repair of groin hernia (5 years or older)	14	14	$1591.36	$506.60
45381 Injection beneath lining of large bowel using a flexible endoscope	12	12	$499.92	$14.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	135	134	$10.00	$4.97
99202 New patient office or other outpatient visit, typically 20 minutes	84	84	$113.52	$45.89
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	67	65	$599.99	$236.22
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	59	59	$177.15	$77.02
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	57	48	$177.67	$93.15
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	56	56	$320.00	$68.11
45380 Biopsy of large bowel using an endoscope	54	54	$497.00	$126.73
99213 Established patient office or other outpatient visit, typically 15 minutes	44	40	$118.95	$63.65
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	32	32	$387.00	$169.80
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$272.26	$127.26
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	24	24	$355.00	$169.18
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope	14	14	$384.00	$132.45
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	12	$61.42	$34.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	111	110	$10.00	$5.06
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	56	56	$160.57	$79.02
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	54	54	$599.91	$240.20
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	54	54	$252.00	$129.15
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	51	48	$150.16	$95.00
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	41	41	$320.00	$69.93
99213 Established patient office or other outpatient visit, typically 15 minutes	36	29	$96.50	$64.21
99202 New patient office or other outpatient visit, typically 20 minutes	34	34	$109.76	$46.70
45380 Biopsy of large bowel using an endoscope	33	33	$497.00	$128.19
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	23	23	$387.00	$173.54
45378 Diagnostic exam of large bowel using a flexible endoscope	19	19	$432.62	$173.43
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	15	15	$351.00	$165.58
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	11	11	$1668.55	$691.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	83	82	$10.00	$5.42
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	50	47	$150.12	$75.73
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	40	40	$320.00	$73.87
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	37	37	$157.00	$72.85
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	33	33	$593.46	$251.73
99213 Established patient office or other outpatient visit, typically 15 minutes	31	27	$97.32	$49.66
99202 New patient office or other outpatient visit, typically 20 minutes	26	26	$109.92	$46.34
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	23	23	$250.00	$124.99
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	21	21	$387.00	$185.48
45380 Biopsy of large bowel using an endoscope	20	19	$497.00	$162.57
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	13	$48.00	$24.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	164	164	$10.71	$5.51
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	63	61	$388.81	$84.51
99213 Established patient office or other outpatient visit, typically 15 minutes	59	54	$95.31	$49.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	58	58	$161.55	$72.86
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	50	47	$148.08	$74.99
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	45	45	$683.83	$260.19
99202 New patient office or other outpatient visit, typically 20 minutes	40	40	$97.55	$48.60
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	30	30	$418.03	$188.50
45380 Biopsy of large bowel using an endoscope	27	27	$591.05	$142.39
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	19	19	$404.68	$183.81
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	13	$46.17	$24.51
45378 Diagnostic exam of large bowel using a flexible endoscope	18	18	$441.44	$177.93
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$247.15	$126.29
45381 Injection beneath lining of large bowel using a flexible endoscope	12	12	$551.75	$16.31
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope	12	12	$436.50	$145.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	216	207	$11.49	$5.47
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	84	80	$405.00	$78.24
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	71	71	$733.17	$255.74
99202 New patient office or other outpatient visit, typically 20 minutes	71	71	$93.72	$48.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	68	68	$163.57	$71.70
99213 Established patient office or other outpatient visit, typically 15 minutes	68	55	$97.29	$49.01
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	54	50	$146.83	$75.39
45380 Biopsy of large bowel using an endoscope	45	44	$633.51	$128.64
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	34	34	$436.00	$183.59
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$240.00	$122.42
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	25	25	$436.00	$185.72
45378 Diagnostic exam of large bowel using a flexible endoscope	17	17	$453.00	$187.09
45381 Injection beneath lining of large bowel using a flexible endoscope	16	16	$612.94	$16.39
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	16	$209.13	$103.58
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	14	$45.00	$24.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	161	156	$42.60	$5.25
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	83	83	$149.95	$70.30
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	74	71	$527.77	$83.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	55	52	$146.82	$71.45
99213 Established patient office or other outpatient visit, typically 15 minutes	55	50	$95.00	$46.89
99202 New patient office or other outpatient visit, typically 20 minutes	50	50	$93.00	$46.32
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	45	45	$857.28	$246.87
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	25	25	$548.96	$179.58
45380 Biopsy of large bowel using an endoscope	25	25	$792.36	$152.56
45378 Diagnostic exam of large bowel using a flexible endoscope	22	20	$578.82	$170.09
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	20	20	$594.85	$179.09
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$240.00	$118.63
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$243.00	$129.55
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope	12	11	$487.33	$148.56

Medical Specialties & State Licenses

CMS Verified: 2025-04-18

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License OR MD18758

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.

Surgery

NUCC Taxonomy Code: 208600000X

State License ID M6508

Hospital & Practice Group Affiliations

Saint Alphonsus Medical Center- Ontario Inc

1050 Sw 3rd Ave, Ontario, OR 979142193

Phone: 5418812330

Saint Alphonsus Medical Center- Ontario Inc

351 Sw 9th St, Ontario, OR 979142639

Phone: 5418817000

Saint Alphonsus Medical Center- Ontario Inc

1050 Sw 3rd Ave, Ontario, OR 979144552

Phone: 5418812360

Secondary Practice Locations

1210 Nw 16th St

Fruitland, ID 836192202

Phone: 2084528600

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Brandye Wilson-Manigat , MD

Obstetrics & Gynecology

NPI 1639328412

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events

📍

Updated Practice Location April 18, 2025

Registered at 351 SW 9TH ST, ONTARIO, OR 979142639 (Tel: 5418817184)

✅

NPI Profile Active September 18, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location September 18, 2012

Registered at 1210 NW 16TH ST, FRUITLAND, ID 836192202 (Tel: 2084528600)

📍

Updated Business Mailing Address September 18, 2012

Registered at 190 E BANNOCK ST, BOISE, ID 837126241 (Tel: 2083812222)

👤

Provider Name / Credentials Updated September 18, 2012

Recorded as DWAINE TESNOHLIDEK, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 18, 2012

Surgery (License #M6508 in ID)

🟢

Initial NPI Registration & Enumeration September 27, 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: 1437240009

Entity Type:

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

Enumeration Date: September 27, 2006

Last Update: April 18, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

190 E Bannock St

Boise, ID 837126241

Phone: 2083812222

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

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