Doctor profile · Federal record

Dr. Patrick Chiasson, MD

Surgery Physician (CMS: General Surgery) · Specialist · Tucson, AZ

  • NPI 1861458754
  • Accepts Medicare
  • MIPS 89.3 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6230 N la Cholla Blvd Ste 250
Tucson, AZ 857413529
(520) 219-8690
fax (520) 219-8694

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
November 18, 2021
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Arizona #29820
Medicaid
AZ #626856

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861458754. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
527
Distinct HCPCS
9
Medicare allowed
$124,257
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 124 94 $123
99213 Established patient office or other outpatient visit, 20-29 minutes 118 90 $88
99204 New patient office or other outpatient visit, 45-59 minutes 70 70 $162
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 62 59 $121
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 37 33 $111
91010 Study of esophagus to assess movement 37 37 $62
43282 Repair of hernia of muscle at esophagus and stomach with implantation of mesh using an endoscope 35 35 $1,671
91035 Monitoring and recording of esophageal function through a capsule attached to the esophagus wall 32 29 $75
43659 Other procedure on stomach using an endoscope 12 12 $1,047

In context: peer comparison

Among 25 peers in this city , average services per provider: 47. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17,720
Transactions
44
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Medical Device Business Services, Inc. 12 $11,380.31
INTUITIVE SURGICAL, INC. 8 $5,561.30
W. L. Gore & Associates, Inc. 1 $196.00
Ethicon US, LLC 15 $179.77
Boston Scientific Corporation 1 $164.32
Ethicon Endo-Surgery Inc. 1 $110.54
Phathom Pharmaceuticals, Inc. 3 $57.98
Laborie Medical Technologies Corp. 1 $34.89
Medtronic, Inc. 1 $20.45
Intra-Sana Laboratories 1 $14.08

By nature of payment

Consulting Fee
$10,120
Education
$4,750
Food and Beverage
$1,452
Travel and Lodging
$1,398

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
663
Patients
403
Total drug cost
$32,818
Drug Type Claims Patients Total cost
Omeprazole Generic 133 54 $1,411
Celecoxib Generic 92 84 $595
Ondansetron Odt (Ondansetron) Brand 92 75 $1,496
Famotidine Generic 52 20 $779
Ursodiol Generic 50 16 $4,546
Aprepitant Generic 48 47 $3,219
Pantoprazole Sodium Generic 34 15 $501
Oxycodone Hcl Generic 33 28 $87
Ondansetron Hcl Generic 24 21 $108
Metoclopramide Hcl Generic 23 11 $210

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Patrick Chiasson's medical specialty?
Dr. Patrick Chiasson practices Surgery Physician in Tucson, AZ.
Where does Dr. Patrick Chiasson practice?
Dr. Patrick Chiasson practices at 6230 N la Cholla Blvd Ste 250, Tucson, AZ 857413529. Office phone: 5202198690.
What is Dr. Patrick Chiasson's NPI?
Dr. Patrick Chiasson's National Provider Identifier (NPI) is 1861458754, issued by NPPES.
Does Dr. Patrick Chiasson accept Medicare assignment?
Yes. Dr. Patrick Chiasson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Chiasson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.