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SHAWNT TOSONIAN
NPI 1003304528
Internal Medicine - Critical Care Medicine in Knoxville, TN

Active since April 30, 2018PECOS EnrolledAccepts Medicare Assignment
1924 ALCOA HWY # U-114, KNOXVILLE, TN 37920(865) 305-6324(865) 305-6429 Get Directions Write a Review

NPPES record last updated: September 6, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 6, 2024, Jul 3, 2024, Apr 16, 2021 and 2 more (5 updates tracked since 2018).

About Shawnt Tosonian NPPES

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

SHAWNT TOSONIAN (NPI 1003304528) is an individual critical care medicine provider in Knoxville, Tennessee, licensed in Illinois (036171279) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Proctor Hospital, and maintains a secondary practice location in Appleton.

NPPES Registry Identity

NPI1003304528
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameSHAWNT TOSONIAN
Location Address1924 ALCOA HWY # U-114Knoxville, TN 37920-1511
Mailing Address3 Neenah CtrNeenah, WI 54956-3070 · (920) 830-5900 · Fax (920) 830-5910
Phone(865) 305-6324
Fax(865) 305-6429
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 30, 2018
Last NPPES UpdateSeptember 6, 20245 updates tracked since enumeration
NPPES CertifiedSeptember 6, 2024
✔ NPI 1003304528 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
Licenses✔ Licensed in IL · 036171279✔ Licensed in WI · 4426
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1924 ALCOA HWY # U-114, Knoxville, TN 37920
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Secondary Practice Location 1

Location 11818 N Meade StAppleton, WI 54911 · Phone (920) 735-7645

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Shawnt Tosonian is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2062816614
PECOS Enrollment IDI20240722000389, I20240909001420
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

7

Medicare enrollment records show Shawnt Tosonian reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Good Samaritan Regional Health Center
318 mi
Emergency Medicine
1 GOOD SAMARITAN WAY
Mount Vernon, IL 62864
  • Reassigned Medicare billing, Illinois enrollment
  • 284 clinicians in this Medicare group
NPI 1487758801 (618) 899-4600
Physician Services Corporation Of Southern Illinois Inc.
321 mi
Internal Medicine
4218 LINCOLNSHIRE DR
Mount Vernon, IL 62864
  • Reassigned Medicare billing, Illinois enrollment
  • 296 clinicians in this Medicare group
NPI 1831101807 (618) 899-3600
St. Mary's Hospital, Centralia, Illinois
336 mi
Anesthesiology
400 N PLEASANT AVE
Centralia, IL 62801
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: St Marys Hospital Centralia Illinois
  • 392 clinicians in this Medicare group
NPI 1477097871 (618) 436-6056
Carle Health Medical Group
370 mi
Internal Medicine
611 W PARK ST
Urbana, IL 61801
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Carle Health Care Incorporated
  • 2,516 clinicians in this Medicare group
NPI 1154653947 (217) 383-8300
Methodist Medical Center Of Illinois
449 mi
Family Medicine
120 NE GLEN OAK AVE, SUITE 101
Peoria, IL 61603
  • Reassigned Medicare billing, Illinois enrollment
  • 693 clinicians in this Medicare group
NPI 1184670663 (309) 671-8230
Gundersen Lutheran Medical Center Inc
530 mi
Clinic/Center
6150 W LAYTON AVE
Milwaukee, WI 53220
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,457 clinicians in this Medicare group
NPI 1871222117 (608) 782-7300
Thedacare, Incorporated
619 mi
Counselor
1095 MIDWAY RD
Menasha, WI 54952
  • Reassigned Medicare billing, Wisconsin enrollment
  • 988 clinicians in this Medicare group
NPI 1306959515 (920) 720-2300

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.

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.
45 services43 patients
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.
25 services25 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
20 services15 patients
Test to measure expiratory airflow and volume changes before and after medication administration 94060
This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.
13 services13 patients
Test to determine lung volumes using sensors 94726
This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.
13 services13 patients
Test to examine how well the lungs exchange gases 94729
This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.
13 services13 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Proctor Hospital

Acute Care Hospitals · Peoria, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140013
Location5409 N Knoxville AvePeoria, IL 61614 · Peoria County
Emergency services

Pekin Memorial Hospital

Acute Care Hospitals · Pekin, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140120
Location600 South 13th StreetPekin, IL 61554 · Tazewell County
Emergency services

Methodist Medical Center Of Illinois

Acute Care Hospitals · Peoria, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140209
Location221 N E Glen Oak AvePeoria, IL 61636 · Peoria County
Emergency services Birthing friendly

Thedacare Regional Med Ctr - Neenah

Acute Care Hospitals · Neenah, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520045
Location130 2nd StNeenah, WI 54956 · Winnebago County
Emergency services Birthing friendly

Gundersen Lutheran Medical Center

Acute Care Hospitals · La Crosse, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520087
Location1910 South AveLa Crosse, WI 54601 · La Crosse County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37920 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims12 services$14.98 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier11 claims12 services$69.77 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 20

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

BROCK HODGES
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-114
KNOXVILLE, TN 37920
Knox County (865) 305-5137
KRISTEN SCOTT
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-114
KNOXVILLE, TN 37920
Knox County (865) 305-5137
PARTH H PATEL DO
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-114
KNOXVILLE, TN 37920
Knox County (865) 305-3789
KEATON KAYE DO
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-114
KNOXVILLE, TN 37920
Knox County (865) 305-5137
MANAL FATIMA HASSAN MD
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-114
KNOXVILLE, TN 37920
Knox County (865) 305-5137
NICOLAS MASCIA MD
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-114
KNOXVILLE, TN 37920
Knox County (865) 305-5137
TYLER LOCK
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-114
KNOXVILLE, TN 37920
Knox County (865) 305-5137
WARNER AARON THOMAS MD
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-114
KNOXVILLE, TN 37920
Knox County (865) 305-9340

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 Shawnt Tosonian's NPI number?

The NPI number for Shawnt Tosonian is 1003304528. It was assigned to this individual provider in the NPPES registry on April 30, 2018.

Where is Shawnt Tosonian located?

Shawnt Tosonian practices at 1924 Alcoa Hwy # U-114, Knoxville, TN 37920. The listed phone number is (865) 305-6324.

What is Shawnt Tosonian's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Shawnt Tosonian enrolled in Medicare?

Yes. Shawnt Tosonian is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Shawnt Tosonian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shawnt Tosonian reassigns Medicare benefits to 7 organizations: Good Samaritan Regional Health Center (Mount Vernon, IL), Physician Services Corporation Of Southern Illinois Inc. (Mount Vernon, IL), St. Mary's Hospital, Centralia, Illinois (Centralia, IL), Carle Health Medical Group (Urbana, IL), Methodist Medical Center Of Illinois (Peoria, IL) and 2 more organizations, listed in the Medicare section above. 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 Shawnt Tosonian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shawnt Tosonian accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and HealthPartners list Shawnt Tosonian 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.

Is Shawnt Tosonian affiliated with any hospitals?

According to CMS data, Shawnt Tosonian is affiliated with Proctor Hospital, Pekin Memorial Hospital, Methodist Medical Center Of Illinois, Thedacare Regional Med Ctr - Neenah and Gundersen Lutheran Medical Center.

When was this NPI record last updated?

The NPPES record for Shawnt Tosonian was last updated on September 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.