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DR. RICHARD W MASON DO
NPI 1003809625
Surgery in Sandwich, IL

Active since August 30, 2005PECOS Enrolled
91.35/100
CMS Quality Rating
1 E COUNTYLINE RD, SANDWICH, IL 60548(815) 786-2722(815) 786-6840 Get Directions Write a Review

NPPES record last updated: January 7, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Richard W Mason Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RICHARD W MASON DO (NPI 1003809625) is an individual surgery provider in Sandwich, Illinois, licensed in Illinois (03682889) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003809625
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. RICHARD W MASONCredential: DO
Location Address1 E COUNTYLINE RDSandwich, IL 60548-2178
Mailing Address10 Martin Ave Ste 225Naperville, IL 60540-6590 · (630) 355-5633 · Fax (630) 355-5215
Phone(815) 786-2722
Fax(815) 786-6840
Sole ProprietorNo
Enumeration DateAugust 30, 2005
Last NPPES UpdateJanuary 7, 2021
NPPES CertifiedJanuary 7, 2021
✔ NPI 1003809625 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in IL · 03682889
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
1 E COUNTYLINE RD, Sandwich, IL 60548
Open in Google Maps ↗

Other Identifiers 2

Other1921614IL · Bc/bs
Medicaid036082819IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Richard W Mason Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Richard Mason reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Edward Health Ventures
Same address
Family Medicine
1 E COUNTYLINE RD
Sandwich, IL 60548
  • Reassigned Medicare billing, Illinois enrollment
  • 561 clinicians in this Medicare group
NPI 1316183551 (815) 786-2722
Endeavor Health Medical Group
57 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
52 services52 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
49 services42 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
25 services25 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
19 services19 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
13 services13 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60548 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
Established Patient
$68.64 typical visit price
range $17.16 – $136.56
Typical copayment $17.16 (range $4.29 – $34.14)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.35/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.71
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Parenteral nutrition solution, not otherwise specified, 10 grams lipids B4185
Other-Enteral and Parenteral · category OB005N
1 supplier15 claims188 services$10.71 avg. paid by Medicare
Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, 74 to 100 grams of protein - premix B4197
Other-Enteral and Parenteral · category OB005N
1 supplier15 claims91 services$278.52 avg. paid by Medicare
Parenteral nutrition supply kit; premix, per day B4220
Other-Enteral and Parenteral · category OB005N
1 supplier15 claims91 services$7.97 avg. paid by Medicare
Parenteral nutrition administration kit, per day B4224
Other-Enteral and Parenteral · category OB005N
1 supplier15 claims91 services$24.90 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KENNETH J KAVANAUGH DO
Family Medicine
1 E COUNTYLINE RD
SANDWICH, IL 60548
Dekalb County (815) 786-2722
EDWARD HEALTH VENTURES
Family Medicine
1 E COUNTYLINE RD
SANDWICH, IL 60548
Dekalb County (815) 786-2722
DR. MARK DONALD WEINHOLD D.D.S.
Dentist (General Practice)
1 E COUNTYLINE RD, SUITE A
SANDWICH, IL 60548
Dekalb County (815) 786-2185
DR. MARIA DANA SUTKUS DO
Family Medicine
1 E COUNTYLINE RD
SANDWICH, IL 60548
Dekalb County (815) 786-2722
PRAIRIE HEALTHCARE, LTD
Family Medicine
1 E COUNTYLINE RD
SANDWICH, IL 60548
Dekalb County (815) 786-2722
REZIN ORTHOPEDIC AND SPORTS MEDICINE, SC
Durable Medical Equipment & Medical Supplies
1 E COUNTYLINE RD
SANDWICH, IL 60548
Dekalb County (815) 786-1517
DR. ERIC J JANOTA DO
Family Medicine
1 E COUNTYLINE RD
SANDWICH, IL 60548
Dekalb County (815) 786-2722
DR. DANIEL D GAUTHIER DO
Family Medicine
1 E COUNTYLINE RD
SANDWICH, IL 60548
Dekalb County (815) 786-2722

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Richard Mason's NPI number?

The NPI number for Richard Mason is 1003809625. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Where is Richard Mason located?

Richard Mason practices at 1 E Countyline Rd, Sandwich, IL 60548. The listed phone number is (815) 786-2722.

What is Richard Mason's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Richard Mason enrolled in Medicare?

Yes. Richard Mason is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Richard Mason's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Richard Mason reassigns Medicare benefits to 2 organizations: Edward Health Ventures (Sandwich, IL) and Endeavor Health Medical Group (Evanston, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Richard Mason's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Richard Mason accept?

Health plans from Oscar Health list Richard Mason as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Richard Mason was last updated on January 7, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.