Richard Mason, DO
Surgery Physician · Sandwich, IL
Richard Mason, DO is a surgery physician with a practice address in Sandwich, Illinois, and NPI 1003809625, issued on Aug 30, 2005. Check the license (Illinois 03682889, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Richard Mason
- Credential
- DO
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 03682889 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1 E Countyline RD, Sandwich, IL 60548
- Phone
- (815) 786-2722
- Enumerated
- Aug 30, 2005
- Entity
- Type 1 · individual
Also registered at 1 E Countyline RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Faulk, MDColon & Rectal Surgery Physician1760475271
- Daniel Gauthier, DOFamily Medicine Physician1740273499
- John Gleason, MDFamily Medicine Physician1912990532
- Teresa Grant, MDPediatrics Physician1922091412
- Eric Janota, DOFamily Medicine Physician1659364305
- Kenneth Kavanaugh, DOFamily Medicine Physician1104819697
Verify Richard Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 03682889Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
31% fewer Medicare Part D claims than the average surgery physician in 2024
120 Medicare Part D claims for 99 beneficiaries, against an average of 174 among the 21,427 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Peg 3350-Electrolyte93 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The Medicare quality score for 2023: 91.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Surgery Physician providers in Illinois
There are 1,572 surgery physician records in Illinois.
Other surgery physician records in Illinois
- Douglas Aach, MDShiloh, IL1508817040
- John Abad, M.D.Warrenville, IL1578722336
- Andrew Abadier, DOChicago, IL1124657473
- Shabirhusain Abadin, M.D.Chicago, IL1467712596
- Mohammad Ali Abbass, MDChicago, IL1730508052
- Iftikharul Abbasy, MDOak Brook, IL1104814755
- Ariane Abcarian, M.D.Chicago, IL1831364272
- Mahmoud Abd-El-Hafez, MDSpringfield, IL1710516943
- Khaled Abdelhady, M.D.Chicago, IL1811173156
- Zaid Abdelsattar, MD, MSCMaywood, IL1760793293
Common questions
What is Richard Mason, DO's NPI number?
Richard Mason, DO's National Provider Identifier (NPI) is 1003809625, issued on Aug 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Richard Mason, DO located?
The NPPES record lists a practice address at 1 E Countyline RD, Sandwich, IL, 60548. Phone: (815) 786-2722. Providers update this record themselves, so call before visiting.
How can I verify Richard Mason, DO's license?
NPPES lists Illinois license number 03682889, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Richard Mason, DO prescribe under Medicare Part D?
In 2024, Richard Mason, DO had 120 Medicare Part D claims for 99 beneficiaries; the average among surgery physician prescribers was 174. Part D covers Medicare prescriptions only.
What is Richard Mason, DO's Medicare quality score?
The 2023 MIPS final score is 91.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.