Doctor profile · Federal record

Dr. James Mallery, MD

Gastroenterology Physician (CMS: Gastroenterology) · St Louis Park, MN

  • NPI 1851331441
  • Accepts Medicare
  • MIPS 78.9 / 100 · 2023
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6500 Excelsior Blvd Suite 4-820, Digestive and Endoscopy Center Methodist Hospital
St Louis Park, MN 55426
(952) 993-3240
fax (952) 993-2640

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
November 7, 2012
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Minnesota #36617
Medicaid
MN #834323300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851331441. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
200
Distinct HCPCS
8
Medicare allowed
$23,230
HCPCS Description Services Patients Avg allowed
43238 Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope 34 33 $216
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 33 32 $38
43237 Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth 30 30 $172
99213 Established patient office or other outpatient visit, 20-29 minutes 24 22 $64
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 23 $125
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 20 14 $47
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 19 19 $5
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 17 17 $237

In context: peer comparison

Among 8 peers in St Louis Park Gastroenterology Physician, average services per provider: 39. This provider delivers 5.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$143
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
3-D Matrix, INC. 1 $143.23

By nature of payment

Food and Beverage
$143

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
94
Patients
69
Total drug cost
$38,133
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 44 44 $1,227
Omeprazole Generic 20 11 $265
Creon (Lipase/Protease/Amylase) Brand 15 0 $36,291
Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 15 14 $349

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Mallery's medical specialty?
Dr. James Mallery practices Gastroenterology Physician in St Louis Park, MN.
Where does Dr. James Mallery practice?
Dr. James Mallery practices at 6500 Excelsior Blvd Suite 4-820, St Louis Park, MN 55426. Office phone: 9529933240.
What is Dr. James Mallery's NPI?
Dr. James Mallery's National Provider Identifier (NPI) is 1851331441, issued by NPPES.
Does Dr. James Mallery accept Medicare assignment?
Yes. Dr. James Mallery accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Mallery commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope (HCPCS 43238); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth (HCPCS 43237). Source: CMS Medicare Physician & Other Practitioners file.