Doctor profile · Federal record

Dr. Matthew Silviera, MD

Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Surgery Physician · Saint Louis, MO

  • NPI 1386805240
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1044 N Mason RD, Div Surg Colon/Rectal, Ste 310
Saint Louis, MO 631416431
(314) 454-7177
fax (888) 425-7946
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
April 17, 2025
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
208C00000X — NUCC code
State license (1)
Missouri #2013019929
Medicaid
MO #200005641

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386805240. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
249
Distinct HCPCS
8
Medicare allowed
$28,620
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 83 77 $89
99203 New patient office or other outpatient visit, 30-44 minutes 38 38 $108
99204 New patient office or other outpatient visit, 45-59 minutes 35 35 $165
45380 Biopsy of large bowel using a flexible endoscope 24 24 $151
46600 Diagnostic exam of anus using an endoscope 23 20 $118
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope 16 14 $55
99214 Established patient office or other outpatient visit, 30-39 minutes 16 14 $117
45378 Diagnostic exam of large bowel using a flexible endoscope 14 14 $162

In context: peer comparison

Among 9 peers in this city , average services per provider: 28. This provider delivers 8.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
294
Patients
250
Total drug cost
$8,752
Drug Type Claims Patients Total cost
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 80 74 $6,322
Metronidazole Generic 57 56 $95
Neomycin Sulfate Generic 49 48 $309
Ondansetron Odt (Ondansetron) Brand 42 42 $144
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 20 19 $297
Oxycodone Hcl Generic 17 11 $94
Loperamide (Loperamide Hcl) Brand 15 0 $355
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 14 0 $1,137

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Silviera's medical specialty?
Dr. Matthew Silviera practices Colon & Rectal Surgery Physician in Saint Louis, MO.
Where does Dr. Matthew Silviera practice?
Dr. Matthew Silviera practices at 1044 N Mason RD, Saint Louis, MO 631416431. Office phone: 3144547177.
What is Dr. Matthew Silviera's NPI?
Dr. Matthew Silviera's National Provider Identifier (NPI) is 1386805240, issued by NPPES.
Does Dr. Matthew Silviera accept Medicare assignment?
Yes. Dr. Matthew Silviera accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Silviera commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.