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THOMAS ORYSZCZAK D.O.
NPI 1033373717
Hospitalist in Arlington Heights, IL

Active since July 11, 2008PECOS EnrolledAccepts Medicare Assignment
89.66/100
CMS Quality Rating
800 W CENTRAL RD, ARLINGTON HEIGHTS, IL 60005(847) 227-8987(847) 618-3259 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 7, 2026, Jul 8, 2021, May 10, 2021 and 1 more (4 updates tracked since 2020).

About Thomas Oryszczak D.o. NPPES

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

THOMAS ORYSZCZAK D.O. (NPI 1033373717) is an individual hospitalist provider in Arlington Heights, Illinois, licensed in Illinois (036127001) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Northwest Community Hospital 1, and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2008).

NPPES Registry Identity

NPI1033373717
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameTHOMAS ORYSZCZAKCredential: D.O.
Location Address800 W CENTRAL RDArlington Heights, IL 60005-2349
Mailing Address800 W Central RdArlington Heights, IL 60005-2349 · (847) 227-8987 · Fax (847) 618-3259
Phone(847) 227-8987
Fax(847) 618-3259
Sole ProprietorYes
Medical School CMSArizona College Of Osteopathic Medicine Mid Western UniversityGraduated 2008
Enumeration DateJuly 11, 2008
Last NPPES UpdateAugust 7, 20264 updates tracked since enumeration
NPPES CertifiedAugust 7, 2026
✔ NPI 1033373717 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in IL · 036127001
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036127001 (IL)
800 W CENTRAL RD, Arlington Heights, IL 60005
Open in Google Maps ↗

Other Identifiers 3

Other036127001IL · Medicaid
Other206147IL · Medicare Ptan (group)
OtherF400136372IL · Medicare Ptan (individual)

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

Thomas Oryszczak D.o. 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 ID1951589399
PECOS Enrollment IDI20110707000115
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

3

Medicare enrollment records show Thomas Oryszczak reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northwest Community Health Services Inc
1.2 mi
Obstetrics
880 W CENTRAL RD STE 6200
Arlington Heights, IL 60005
  • Reassigned Medicare billing, Illinois enrollment
  • 346 clinicians in this Medicare group
NPI 1467057513 (847) 618-0730
Endeavor Health Medical Group
15 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
Central Dupage Physician Group
17 mi
Family Medicine
5777 DEPARTMENT
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 1,664 clinicians in this Medicare group
NPI 1033149844 (630) 933-3300

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

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

Northwest Community Hospital 1

Acute Care Hospitals · Arlington Heights, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140252
Location800 W Central RoadArlington Heights, IL 60005 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60005 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

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.

89.66/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality79.32
Promoting Interoperability100
Improvement Activities40

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.

DR. ASAD S MEHDI M.D.
Hospitalist
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (877) 635-9229
CHONG H. PAK MD
Hospitalist
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-8400
JOHN A SHANLEY M.D.
Internal Medicine (Critical Care Medicine)
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-4177
KISHEN S. MANGLANI M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-6150
DR. VISHAL S OZA M.D.
Anesthesiology
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-1000
ARIANA DOROSKIN
Physical Therapist
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-1000
RADIATION ONCOLOGY ASSOCIATES, LLC
Radiology (Radiation Oncology)
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-6560
CHARLES NOZICKA DO
Emergency Medicine
800 W CENTRAL RD, NORTHWEST COMMUNITY HOSPITAL
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-2494

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 Thomas Oryszczak's NPI number?

The NPI number for Thomas Oryszczak is 1033373717. It was assigned to this individual provider in the NPPES registry on July 11, 2008.

Where is Thomas Oryszczak located?

Thomas Oryszczak practices at 800 W Central Rd, Arlington Heights, IL 60005. The listed phone number is (847) 227-8987.

What is Thomas Oryszczak's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Thomas Oryszczak enrolled in Medicare?

Yes. Thomas Oryszczak 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 Thomas Oryszczak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Oryszczak reassigns Medicare benefits to 3 organizations: Northwest Community Health Services Inc (Arlington Heights, IL), Endeavor Health Medical Group (Evanston, IL) and Central Dupage Physician Group (Carol Stream, 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 Thomas Oryszczak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Thomas Oryszczak affiliated with any hospitals?

According to CMS data, Thomas Oryszczak is affiliated with Northwest Community Hospital 1.

When was this NPI record last updated?

The NPPES record for Thomas Oryszczak was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.