Doctor profile · Federal record

Dr. Richard Mason, DO

Surgery Physician · Sandwich, IL

  • NPI 1003809625
  • MIPS 91.4 / 100 · 2023
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 E Countyline RD
Sandwich, IL 605482178
(815) 786-2722
fax (815) 786-6840
Mailing address
10 Martin Ave Ste 225
Naperville, IL 605406590

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
January 7, 2021
Specialty taxonomy
208600000X — NUCC code
State license (1)
Illinois #03682889
Medicaid
IL #036082819

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003809625. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
172
Distinct HCPCS
5
Medicare allowed
$28,709
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 77 77 $176
99214 Established patient office or other outpatient visit, 30-39 minutes 48 41 $134
45378 Diagnostic exam of large bowel using a flexible endoscope 17 17 $190
99203 New patient office or other outpatient visit, 30-44 minutes 17 17 $118
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 13 13 $268

In context: peer comparison

Among 1 peers in this city , average services per provider: 34. This provider delivers 5.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
65
Patients
64
Total drug cost
$1,434
Drug Type Claims Patients Total cost
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 65 64 $1,434

Frequently asked questions

Auto-generated from federal data
What is Dr. Richard Mason's medical specialty?
Dr. Richard Mason practices Surgery Physician in Sandwich, IL.
Where does Dr. Richard Mason practice?
Dr. Richard Mason practices at 1 E Countyline RD, Sandwich, IL 605482178. Office phone: 8157862722.
What is Dr. Richard Mason's NPI?
Dr. Richard Mason's National Provider Identifier (NPI) is 1003809625, issued by NPPES.
What procedures does Dr. Richard Mason commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214); Diagnostic exam of large bowel using a flexible endoscope (HCPCS 45378). Source: CMS Medicare Physician & Other Practitioners file.