JAMES RUSKA D.O.
NPI 1801410022
Hospitalist in Chicago, IL

Q: What is James Ruska's NPI number?

The NPI number for James Ruska is 1801410022. It was assigned to this individual provider in the NPPES registry on June 3, 2020.

Q: What is James Ruska's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for James Ruska was last updated on January 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since June 03, 2020PECOS EnrolledAccepts Medicare Assignment

5145 N CALIFORNIA AVE, CHICAGO, IL 60625(773) 878-8200 Get Directions Write a Review

NPPES record last updated: January 26, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 26, 2026, Jul 27, 2023, Aug 12, 2021 and 2 more (5 updates tracked since 2020).

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About James Ruska D.o. NPPES

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

JAMES RUSKA D.O. (NPI 1801410022) is an individual hospitalist provider in Chicago, Illinois, licensed in Illinois (036166143) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2020).

NPPES Registry Identity

NPI1801410022

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameJAMES RUSKACredential: D.O.

Location Address5145 N CALIFORNIA AVEChicago, IL 60625-3687

Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 570-2040 · Fax (847) 733-5315

Phone(773) 878-8200

Sole ProprietorNo

Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 2020

Enumeration DateJune 3, 2020

Last NPPES UpdateJanuary 26, 20265 updates tracked since enumeration

NPPES CertifiedJanuary 26, 2026

✔ NPI 1801410022 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 · 036166143

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 036166143 (IL), 125076755 (IL), 125.076755 (IL)

5145 N CALIFORNIA AVE, Chicago, IL 60625

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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

James Ruska 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 ID4284097072

PECOS Enrollment IDI20230825003558

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 5

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.

624 services221 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.

148 services142 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.

87 services31 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.

39 services37 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

16 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140010

Location2650 Ridge AveEvanston, IL 60201 · Cook County

Emergency services Birthing friendly

Swedish Hospital

Acute Care Hospitals · Chicago, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140114

Location5145 N California AveChicago, IL 60625 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60625 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.

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.

IVAN ZRANTCHEV MD

Emergency Medicine

5145 N CALIFORNIA AVE
CHICAGO, IL 60625

Cook County (773) 878-8200

AMC ANESTHESIA LTD

Anesthesiology

5145 N CALIFORNIA AVE
CHICAGO, IL 60625

Cook County (773) 878-8200

GLORIA NEZIANYA APN-CNP

Nurse Practitioner

5145 N CALIFORNIA AVE, STE M276
CHICAGO, IL 60625

Cook County (773) 878-8200

DR. SINAMIS IDREI MD

Internal Medicine

5145 N CALIFORNIA AVE
CHICAGO, IL 60625

Cook County (773) 787-8200

KAYLA ARLENE BALOUSEK MD

Emergency Medicine

5145 N CALIFORNIA AVE
CHICAGO, IL 60625

Cook County (773) 878-8200

JULIE I FRITZ PA

Physician Assistant

5145 N CALIFORNIA AVE
CHICAGO, IL 60625

Cook County (773) 989-3800

DR. ARTEMIS KHOJASTEH M.D.

Emergency Medicine

5145 N CALIFORNIA AVE, DEPARTMENT OF EMERGENCY MEDICINE
CHICAGO, IL 60625

Cook County (773) 878-8200

WILMER FERNANDO DAVILA M.D.

Anesthesiology

5145 N CALIFORNIA AVE
CHICAGO, IL 60625

Cook County (773) 293-5486

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 James Ruska's NPI number?

The NPI number for James Ruska is 1801410022. It was assigned to this individual provider in the NPPES registry on June 3, 2020.

Where is James Ruska located?

James Ruska practices at 5145 N California Ave, Chicago, IL 60625. The listed phone number is (773) 878-8200.

What is James Ruska's specialty?

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

Is James Ruska enrolled in Medicare?

Yes. James Ruska 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 James Ruska affiliated with any hospitals?

According to CMS data, James Ruska is affiliated with Northshore University Healthsystem - Evanston Hospital and Swedish Hospital.

When was this NPI record last updated?

The NPPES record for James Ruska was last updated on January 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.