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DR. JADWIGA A. LOJ M. D.
NPI 1649307315
Hospitalist in Park Ridge, IL

Active since February 28, 2007PECOS EnrolledAccepts Medicare Assignment
1775 DEMPSTER STREET, PARK RIDGE, IL 60068(847) 723-6975 Get Directions Write a Review

NPPES record last updated: March 20, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 20, 2025, Jan 19, 2022 (2 updates tracked since 2022).

About Dr. Jadwiga A. Loj M. D. NPPES

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

DR. JADWIGA A. LOJ M. D. (NPI 1649307315) is an individual hospitalist provider in Park Ridge, Illinois, licensed in Illinois (036-112352) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with Advocate Lutheran General Hospital, and is a graduate of Other (1991).

NPPES Registry Identity

NPI1649307315
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameDR. JADWIGA A. LOJCredential: M. D.
Location Address1775 DEMPSTER STREETPark Ridge, IL 60068-1174
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Phone(847) 723-6975
Sole ProprietorYes
Medical School CMSOtherGraduated 1991
Enumeration DateFebruary 28, 2007
Last NPPES UpdateMarch 20, 20252 updates tracked since enumeration
NPPES CertifiedMarch 20, 2025
✔ NPI 1649307315 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 · 036-112352
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 36-112352 (IL)
1775 DEMPSTER STREET, Park Ridge, IL 60068
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jadwiga A. Loj M. D. 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 ID7719912229
PECOS Enrollment IDI20051004000584
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.

Areas of Expertise CMS Part B claims 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
376 services120 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
52 services51 patients
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.
46 services46 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
18 services13 patients

Hospital Affiliations CMS Care Compare

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

Advocate Lutheran General Hospital

Acute Care Hospitals · Park Ridge, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140223
Location1775 Dempster StPark Ridge, IL 60068 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60068 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.

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 supplier27 claims27 services$13.27 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 supplier27 claims27 services$62.79 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 7

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

DEBORAH JEAN KANTORIS APN
Clinical Nurse Specialist (Acute Care)
1775 DEMPSTER STREET
PARK RIDGE, IL 60068
Cook County (847) 723-8308
JACOB LARSEN WHITE DO
Surgery
1775 DEMPSTER STREET, MAILBOX #48
PARK RIDGE, IL 60068
Cook County (847) 723-2210
ADVOCATE HEALTH AND HOSPITALS CORPORATION
General Acute Care Hospital
1775 DEMPSTER STREET
PARK RIDGE, IL 60068
Cook County (847) 723-2210
BRADLEY SCOTT STRIMLING MD
Radiology (Diagnostic Radiology)
1775 DEMPSTER STREET, RADIOLOGY DEPARTMENT
PARK RIDGE, IL 60068
Cook County (847) 803-1000
WILLIAM E. WILKENS M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
1775 DEMPSTER STREET, C/O PATHOLOGY DEPARTMENT
PARK RIDGE, IL 60068
Cook County (847) 723-2210
MS. JEAN M MAU ADVANCED PRACTICE NU
Clinical Nurse Specialist (Adult Health)
1775 DEMPSTER STREET
PARK RIDGE, IL 60068
Cook County (847) 723-7385
C. MICHAEL WELDON-LINNE M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
1775 DEMPSTER STREET, C/O PATHOLOGY DEPARTMENT
PARK RIDGE, IL 60068
Cook County (847) 723-2210

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 Jadwiga Loj's NPI number?

The NPI number for Jadwiga Loj is 1649307315. It was assigned to this individual provider in the NPPES registry on February 28, 2007.

Where is Jadwiga Loj located?

Jadwiga Loj practices at 1775 Dempster Street, Park Ridge, IL 60068. The listed phone number is (847) 723-6975.

What is Jadwiga Loj's specialty?

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

Is Jadwiga Loj enrolled in Medicare?

Yes. Jadwiga Loj 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.

Is Jadwiga Loj affiliated with any hospitals?

According to CMS data, Jadwiga Loj is affiliated with Advocate Lutheran General Hospital.

When was this NPI record last updated?

The NPPES record for Jadwiga Loj was last updated on March 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.