Doctor profile · Federal record

Dr. Matthew Stier, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Chicago, IL

  • NPI 1902244791
  • Accepts Medicare
  • MIPS 60.3 / 100 · 2023
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5841 S Maryland Ave, M/C 7082
Chicago, IL 606371447
(773) 702-6840
Mailing address
401 Roxbury RD
Rockford, IL 611075075

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
August 1, 2019
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #125062675

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902244791. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,001
Distinct HCPCS
10
Medicare allowed
$79,689
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 293 118 $31
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 153 152 $5
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 108 108 $243
99214 Established patient office or other outpatient visit, 30-39 minutes 102 87 $121
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 86 84 $81
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 62 41 $77
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 54 54 $127
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 43 38 $49
45380 Biopsy of large bowel using a flexible endoscope 28 28 $73
99213 Established patient office or other outpatient visit, 20-29 minutes 28 28 $84

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$35
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 1 $18.31
Pfizer INC. 1 $16.70

By nature of payment

Food and Beverage
$35

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
665
Patients
296
Total drug cost
$31,644
Drug Type Claims Patients Total cost
Omeprazole Generic 178 67 $2,256
Pantoprazole Sodium Generic 151 58 $2,032
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 121 120 $1,662
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 41 40 $772
Esomeprazole Magnesium Generic 24 0 $1,429
Dicyclomine Hcl Generic 22 0 $605
Famotidine Generic 21 0 $205
Ondansetron Odt (Ondansetron) Brand 18 11 $172
Creon (Lipase/Protease/Amylase) Brand 14 0 $11,169
Linzess (Linaclotide) Brand 14 0 $7,855

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Stier's medical specialty?
Dr. Matthew Stier practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Matthew Stier practice?
Dr. Matthew Stier practices at 5841 S Maryland Ave, Chicago, IL 606371447. Office phone: 7737026840.
What is Dr. Matthew Stier's NPI?
Dr. Matthew Stier's National Provider Identifier (NPI) is 1902244791, issued by NPPES.
Does Dr. Matthew Stier accept Medicare assignment?
Yes. Dr. Matthew Stier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Stier commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); 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 (HCPCS G0500); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.