Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SHAINA CHERNIAK DO
NPI 1891371399
Hospitalist in Palos Heights, IL

Q: What is Shaina Cherniak's NPI number?

The NPI number for Shaina Cherniak is 1891371399. It was assigned to this individual provider in the NPPES registry on March 23, 2021.

Q: What is Shaina Cherniak'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 Shaina Cherniak was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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 March 23, 2021PECOS Enrolled

12251 S 80TH AVE, PALOS HEIGHTS, IL 60463(708) 923-4000(708) 923-5859 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Oct 5, 2026, Mar 23, 2021 (2 updates tracked since 2021).

On this page

About Shaina Cherniak Do NPPES

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

SHAINA CHERNIAK DO (NPI 1891371399) is an individual hospitalist provider in Palos Heights, Illinois, licensed in Illinois (036165689) and active in the NPI registry since March 2021. She 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 (2021).

NPPES Registry Identity

NPI1891371399

Entity TypeIndividualFemale

Primary Taxonomy208M00000X

Provider Legal NameSHAINA CHERNIAKCredential: DO

Location Address12251 S 80TH AVEPalos Heights, IL 60463-1290

Mailing Address12251 S 80th AvePalos Heights, IL 60463-1290 · (708) 923-4000 · Fax (708) 923-5859

Phone(708) 923-4000

Fax(708) 923-5859

Sole ProprietorNo

Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 2021

Enumeration DateMarch 23, 2021

Last NPPES UpdateOctober 5, 20262 updates tracked since enumeration

NPPES CertifiedOctober 5, 2026

✔ NPI 1891371399 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in IL · 036165689

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 036165689 (IL)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

12251 S 80TH AVE, Palos Heights, IL 60463

Open in Google Maps ↗

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

Shaina Cherniak Do 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 ID8426450842

PECOS Enrollment IDI20240304002147

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 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.

290 services130 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.

119 services117 patients

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.

28 services19 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

17 services17 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.

11 services11 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 60463 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.

MATTHEW SCOTT KOMINSKY MD

Anesthesiology

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-4000

NOOR BADER APRN, CRNA

Nurse Anesthetist, Certified Registered

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-3936

DR. JOSEPH C BREMER JR. M.D.

Emergency Medicine

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-5800

MARIKAY T GAZDA LCSW

Social Worker (Clinical)

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-4941

MICHAEL J BAUTISTA M.D.

Anesthesiology

12251 S 80TH AVE, PALOS COMMUNITY HOSPITAL
PALOS HEIGHTS, IL 60463

Cook County (708) 923-5700

VALERIE SAFFAR APRN, CNP

Nurse Practitioner

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-5869

WINSTON DANG MD

Hospitalist

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-4000

EMILY MACKANIN PT

Physical Therapist

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-3368

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 Shaina Cherniak's NPI number?

The NPI number for Shaina Cherniak is 1891371399. It was assigned to this individual provider in the NPPES registry on March 23, 2021.

Where is Shaina Cherniak located?

Shaina Cherniak practices at 12251 S 80th Ave, Palos Heights, IL 60463. The listed phone number is (708) 923-4000.

What is Shaina Cherniak's specialty?

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

Is Shaina Cherniak enrolled in Medicare?

Yes. Shaina Cherniak 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 Shaina Cherniak affiliated with any hospitals?

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

When was this NPI record last updated?

The NPPES record for Shaina Cherniak was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.