THERESA KRISTOPAITIS MD
NPI 1255306387
Hospitalist in Maywood, IL

Active since February 22, 2006PECOS EnrolledAccepts Medicare Assignment
2160 S 1ST AVE, (EMS BLDG., R. 2209), MAYWOOD, IL 60153(708) 216-3250(708) 216-2620 Get Directions Write a Review

NPPES record last updated: November 11, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 11, 2021, Mar 31, 2017 (2 updates tracked since 2017).

About Theresa Kristopaitis Md NPPES

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

THERESA KRISTOPAITIS MD (NPI 1255306387) is an individual hospitalist provider in Maywood, Illinois, licensed in Illinois (036092517) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Loyola University Medical Center, and is a graduate of Illinois Medical College (1993).

NPPES Registry Identity

NPI1255306387
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameTHERESA KRISTOPAITISCredential: MD
Location Address2160 S 1ST AVE, (EMS BLDG., R. 2209)Maywood, IL 60153
Mailing Address2160 S 1st Ave, (ems Bldg., R. 2209)Maywood, IL 60153 · (708) 216-3250 · Fax (708) 216-2620
Fax(708) 216-2620
Sole ProprietorNo
Medical School CMSIllinois Medical CollegeGraduated 1993
Enumeration DateFebruary 22, 2006
Last NPPES UpdateNovember 11, 20212 updates tracked since enumeration
NPPES CertifiedNovember 11, 2021
✔ NPI 1255306387 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 · 036092517
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 36092517 (IL)
2160 S 1ST AVE, Maywood, IL 60153

Other Identifiers 1

Medicaid36092517IL

Accepted 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

Theresa Kristopaitis Md 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 ID9638109754
PECOS Enrollment IDI20050818000524
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 Reassignment

Medicare enrollment records show Theresa Kristopaitis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

General Practice
2160 S 1ST AVE
Maywood, IL 60153
  • Reassigned Medicare billing, Illinois enrollment
  • 1,138 clinicians in this Medicare group

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 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.

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.
40 services39 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.
37 services22 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.
32 services25 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
24 services24 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
20 services17 patients

Hospital Affiliations CMS Care Compare

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

Loyola University Medical Center

Acute Care Hospitals · Maywood, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140276
Location2160 S 1st AvenueMaywood, IL 60153 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60153 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.

Radiology (Diagnostic Radiology)
2160 S 1ST AVE
MAYWOOD, IL 60153
Podiatrist (Foot & Ankle Surgery)
2160 S 1ST AVE
MAYWOOD, IL 60153
Psychiatry & Neurology (Neurology)
2160 S 1ST AVE
MAYWOOD, IL 60153
Oral & Maxillofacial Surgery
2160 S 1ST AVE
MAYWOOD, IL 60153
Psychiatry & Neurology (Psychiatry)
2160 S 1ST AVE
MAYWOOD, IL 60153
Student in an Organized Health Care Education/Training Program
2160 S 1ST AVE
MAYWOOD, IL 60153
Orthopaedic Surgery
2160 S 1ST AVE
MAYWOOD, IL 60153
Internal Medicine
2160 S 1ST AVE
MAYWOOD, IL 60153

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 Theresa Kristopaitis's NPI number?

The NPI number for Theresa Kristopaitis is 1255306387. It was assigned to this individual provider in the NPPES registry on February 22, 2006.

Where is Theresa Kristopaitis located?

Theresa Kristopaitis practices at 2160 S 1st Ave (ems Bldg., R. 2209), Maywood, IL 60153. The listed phone number is (708) 216-3250.

What is Theresa Kristopaitis's specialty?

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

Is Theresa Kristopaitis enrolled in Medicare?

Yes. Theresa Kristopaitis 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 organization bills Medicare for Theresa Kristopaitis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Kristopaitis reassigns Medicare benefits to Loyola University Medical Center (Maywood, IL). The 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 Theresa Kristopaitis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Theresa Kristopaitis accept?

Health plans from Oscar Health list Theresa Kristopaitis 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 Theresa Kristopaitis affiliated with any hospitals?

According to CMS data, Theresa Kristopaitis is affiliated with Loyola University Medical Center.

When was this NPI record last updated?

The NPPES record for Theresa Kristopaitis was last updated on November 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.