Active NPI 1861458754 Individual Practitioner Male Practitioner

Dr. Patrick Michael Chiasson , MD

Surgery • Tucson, AZ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Patrick Chiasson, MD is a certified Surgery practicing in Tucson, AZ. With approximately 39 years of clinical experience since completing medical education in 1987, Dr. Chiasson delivers high-quality medical care to the local community at 6230 N LA CHOLLA BLVD STE 250.

Dr. Chiasson is affiliated with Northwest Allied Physicians Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, 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

6230 N La Cholla Blvd Ste 250

Tucson, AZ 857413529

Telephone 5202198690

Fax 5202198694

Associated Practice Facility / Clinic

🏢 Southern Arizona Center For Minimally Invasive Surgery, Pc Facility NPI 1871632604

Medicare Profile & Education

Medical School

Other

Graduation Year

1987

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Tucson, AZ

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

39 Yrs +16.3 yrs vs City Avg

City Avg: 22.7 Yrs

State Avg: 23.6 Yrs

Regional Practice Density

184 Specialists

Practicing in Tucson, AZ (801 Statewide)

Telehealth Adoption Rate

6.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

69.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chiasson (39 Years) 39 Yrs

Tucson Specialty Average (22.7 Years) 22.7 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
99213 Established patient office or other outpatient visit, typically 15 minutes	119	79	$200.00	$89.60
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	84	70	$296.00	$126.31
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	77	77	$456.00	$164.56
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	50	50	$739.00	$125.30
91035 Monitoring and recording of esophageal function through a capsule attached to the esophagus wall	31	31	$233.00	$78.79
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	28	28	$649.00	$110.26
91010 Study of esophagus to assess movement	21	21	$190.00	$62.59
43282 Repair of hernia of muscle at esophagus and stomach with implantation of mesh using an endoscope	20	20	$4917.05	$1677.19
43249 Balloon dilation of esophagus using an endoscope	13	12	$466.00	$149.14
47562 Removal of gallbladder using an endoscope	12	12	$1969.00	$539.12

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	124	94	$296.00	$122.53
99213 Established patient office or other outpatient visit, typically 15 minutes	118	90	$200.00	$87.68
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	70	70	$456.00	$162.26
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	62	59	$739.00	$121.19
91010 Study of esophagus to assess movement	37	37	$190.00	$61.74
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	37	33	$649.00	$110.60
43282 Repair of hernia of muscle at esophagus and stomach with implantation of mesh using an endoscope	35	35	$5014.83	$1671.31
91035 Monitoring and recording of esophageal function through a capsule attached to the esophagus wall	32	29	$233.00	$75.43
43659 Stomach procedure using an endoscope	12	12	$5245.00	$1046.68

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	109	83	$296.00	$124.31
99213 Established patient office or other outpatient visit, typically 15 minutes	94	74	$200.00	$89.83
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	56	56	$456.00	$158.08
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	51	48	$739.00	$130.17
91010 Study of esophagus to assess movement	25	25	$190.00	$65.10
43282 Repair of hernia of muscle at esophagus and stomach with implantation of mesh using an endoscope	23	23	$4973.26	$1656.57
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	20	18	$649.00	$115.45
91035 Monitoring and recording of esophageal function through a capsule attached to the esophagus wall	18	18	$233.00	$81.00

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	100	$296.00	$128.51
99213 Established patient office or other outpatient visit, typically 15 minutes	83	64	$200.00	$90.72
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	69	69	$456.00	$165.31
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	47	46	$739.00	$119.58
91010 Study of esophagus to assess movement	43	43	$190.00	$65.46
91035 Monitoring and recording of esophageal function through a capsule attached to the esophagus wall	37	36	$233.00	$82.28
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	28	28	$649.00	$115.04
43282 Repair of hernia of muscle at esophagus and stomach with implantation of mesh using an endoscope	20	20	$5221.25	$1745.67
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	19	19	$4531.63	$1464.49
43249 Balloon dilation of esophagus using an endoscope	13	11	$466.00	$153.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	217	132	$200.00	$73.23
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	93	93	$456.00	$164.02
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	33	33	$739.00	$105.91
91010 Study of esophagus to assess movement	33	32	$190.00	$67.21
43282 Repair of hernia of muscle at esophagus and stomach with implantation of mesh using an endoscope	23	23	$5105.52	$1781.33
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	21	20	$649.00	$110.38
91035 Monitoring and recording of esophageal function through a capsule attached to the esophagus wall	21	21	$233.00	$84.33
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	17	$296.00	$104.24
43249 Balloon dilation of esophagus using an endoscope	14	12	$466.00	$145.97
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	11	11	$607.00	$190.46
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	11	11	$4500.73	$1439.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	203	128	$200.00	$72.32
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	86	86	$456.00	$162.93
91010 Study of esophagus to assess movement	50	50	$190.00	$66.16
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	48	48	$739.00	$120.81
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	41	38	$296.00	$107.75
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	29	28	$649.00	$110.42
91035 Monitoring and recording of esophageal function through a capsule attached to the esophagus wall	25	25	$233.00	$77.71
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	23	23	$4585.83	$1385.23
43775 Stomach reduction procedure with partial removal of stomach using an endoscope	17	17	$3600.88	$860.85
43282 Repair of hernia of muscle at esophagus and stomach with implantation of mesh using an endoscope	13	13	$4841.00	$1734.52
47562 Removal of gallbladder using an endoscope	11	11	$2058.55	$566.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	128	91	$200.41	$71.07
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	71	71	$456.92	$161.47
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	49	49	$554.84	$119.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	40	38	$295.27	$104.62
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	30	28	$406.00	$117.29
91010 Study of esophagus to assess movement	23	22	$377.96	$66.63
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	18	18	$4473.83	$1492.93
45380 Biopsy of large bowel using an endoscope	13	13	$896.15	$190.13
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	13	13	$600.00	$187.07
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$380.82	$134.78
43775 Stomach reduction procedure with partial removal of stomach using an endoscope	11	11	$3969.27	$756.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	134	85	$188.00	$70.14
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	61	55	$279.00	$105.88
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	60	60	$431.00	$161.38
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	41	40	$477.00	$131.45
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	25	24	$404.00	$105.42
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	25	25	$4298.56	$1482.13
47562 Removal of gallbladder using an endoscope	22	22	$2056.09	$598.17
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	21	21	$605.90	$188.11
43775 Stomach reduction procedure with partial removal of stomach using an endoscope	20	20	$5792.50	$855.19
49505 Repair of groin hernia (5 years or older)	12	12	$1467.75	$541.02
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$113.00	$42.94

Medical Specialties & State Licenses

CMS Verified: 2021-11-18

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License AZ 29820

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.

Specialist

NUCC Taxonomy Code: 174400000X

State License AZ 29820

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

626856 (AZ)

Hospital & Practice Group Affiliations

Northwest Allied Physicians Llc

6130 N La Cholla Blvd, Tucson, AZ 857413698

Northwest Allied Physicians Llc

6200 N La Cholla Blvd, Tucson, AZ 857413529

Phone: 5204698100

Northwest Allied Physicians Llc

8333 N Silverbell Rd, Tucson, AZ 857437371

Phone: 5202027770

Practice Associates & Co-Workers

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

11 Associated Practitioners

Dr. Shane Svoboda , MD

Surgery

NPI 1083930275

Doctor of Medicine (M.D.)

Diane Goedecke , FNP

Nurse Practitioner - Family

NPI 1205940293

Family Nurse Practitioner

Deborah Belcher , FNP

Nurse Practitioner - Family

NPI 1235493297

Family Nurse Practitioner

Bridget Wagner , RDN

Dietitian, Registered

NPI 1285412916

Registered Dietitian Nutritionist

Jessica Stephens

Colon & Rectal Surgery

NPI 1417375023

Rachel Deal , RD, CSOWM

Dietitian, Registered

NPI 1598935090

Registered Dietitian, CSOWM

Career & Practice History Timeline

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

13 Historical Events

📍

Updated Practice Location September 22, 2020

Registered at 6230 N LA CHOLLA BLVD STE 250, TUCSON, AZ 857413529 (Tel: 5202198690)

📍

Updated Business Mailing Address September 22, 2020

Registered at 6230 N LA CHOLLA BLVD STE 250, TUCSON, AZ 857413529 (Tel: 5202198690)

✅

NPI Profile Active February 15, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location February 15, 2017

Registered at 6320 N LA CHOLLA BLVD, SUITE 380, TUCSON, AZ 85741 (Tel: 5202198690)

📍

Updated Business Mailing Address February 15, 2017

Registered at 6320 N LA CHOLLA BLVD, SUITE 380, TUCSON, AZ 85741 (Tel: 5202198690)

👤

Provider Name / Credentials Updated February 15, 2017

Recorded as PATRICK CHIASSON, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 15, 2017

Specialist (License #29820 in AZ)

✅

NPI Profile Active August 14, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location August 14, 2012

Registered at 6320 N LA CHOLLA BLVD, SUITE 380, TUCSON, AZ 85741 (Tel: 5202198690)

📍

Updated Business Mailing Address August 14, 2012

Registered at 6320 N LA CHOLLA BLVD, SUITE 380, TUCSON, AZ 85741 (Tel: 5202198690)

👤

Provider Name / Credentials Updated August 14, 2012

Recorded as PATRICK CHIASSON, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 14, 2012

Specialist (License #29820 in AZ)

🟢

Initial NPI Registration & Enumeration April 21, 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: 1861458754

Entity Type:

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

Enumeration Date: April 21, 2006

Last Update: November 18, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

6230 N La Cholla Blvd Ste 250

Tucson, AZ 857413529

Phone: 5202198690

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.