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LISA M CHORZEMPA-SCHAINIS M.D.
NPI 1629085444
Obstetrics & Gynecology in Oak Park, IL

Active since August 02, 2006PECOS EnrolledAccepts Medicare Assignment
91.35/100
CMS Quality Rating
932 LAKE ST STE 300, OAK PARK, IL 60301(331) 221-1700(331) 221-1700 Get Directions Write a Review

NPPES record last updated: February 26, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Lisa M Chorzempa-schainis M.d. NPPES

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

LISA M CHORZEMPA-SCHAINIS M.D. (NPI 1629085444) is an individual obstetrics & gynecology provider in Oak Park, Illinois, licensed in Illinois (036092713) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Elmhurst Memorial Hospital, and is a graduate of Rush Medical College Of Rush University (1993).

NPPES Registry Identity

NPI1629085444
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameLISA M CHORZEMPA-SCHAINISCredential: M.D.
Location Address932 LAKE ST STE 300Oak Park, IL 60301-1204
Mailing Address932 Lake St Ste 300Oak Park, IL 60301-1204 · (331) 221-1700 · Fax (331) 221-2729
Phone(331) 221-1700
Fax(331) 221-1700
Sole ProprietorYes
Medical School CMSRush Medical College Of Rush UniversityGraduated 1993
Enumeration DateAugust 2, 2006
Last NPPES UpdateFebruary 26, 2021
NPPES CertifiedFebruary 26, 2021
✔ NPI 1629085444 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in IL · 036092713
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
932 LAKE ST STE 300, Oak Park, IL 60301
Open in Google Maps ↗

Other Identifiers 2

OtherO00289606IL · Medicare Railroad
Medicaid036092713IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.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

Lisa M Chorzempa-schainis 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 ID42112468
PECOS Enrollment IDI20040124000295
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

2

Medicare enrollment records show Lisa Chorzempa-schainis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Edward Health Ventures
7.1 mi
Clinic/Center
1200 S YORK ST, STE 3160
Elmhurst, IL 60126
  • Reassigned Medicare billing, Illinois enrollment
  • 561 clinicians in this Medicare group
NPI 1275963027 (331) 221-9090
Endeavor Health Medical Group
13 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

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 2

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
22 services11 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

Elmhurst Memorial Hospital

Acute Care Hospitals · Elmhurst, IL
4/5 CMS rating
OwnershipProprietary
CMS Certification Number140200
Location155 East Brush Hill RoadElmhurst, IL 60126 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60301 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
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
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.

91.35/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.71
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 6

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

VASANT R ACHARYA M.D.
Obstetrics & Gynecology
932 LAKE ST STE 300
OAK PARK, IL 60301
Cook County (331) 221-1700
DR. JAMES STEWART NITTI M.D.
Obstetrics & Gynecology
932 LAKE ST STE 300
OAK PARK, IL 60301
Cook County (331) 221-1700
ALISON LINN SAGE D.O.
Family Medicine
932 LAKE ST STE 300
OAK PARK, IL 60301
Cook County (331) 221-1700
ELAINE M BIESTER M.D.
Obstetrics & Gynecology
932 LAKE ST STE 300
OAK PARK, IL 60301
Cook County (331) 221-1700
MICHAEL PALASH D.O.
Family Medicine
932 LAKE ST STE 300
OAK PARK, IL 60301
Cook County (331) 221-1700
SANDRA MARIE PENA MD
Family Medicine
932 LAKE ST STE 300
OAK PARK, IL 60301
Cook County (331) 221-1700

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 Lisa Chorzempa-schainis's NPI number?

The NPI number for Lisa Chorzempa-schainis is 1629085444. It was assigned to this individual provider in the NPPES registry on August 2, 2006.

Where is Lisa Chorzempa-schainis located?

Lisa Chorzempa-schainis practices at 932 Lake St Ste 300, Oak Park, IL 60301. The listed phone number is (331) 221-1700.

What is Lisa Chorzempa-schainis's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Lisa Chorzempa-schainis enrolled in Medicare?

Yes. Lisa Chorzempa-schainis 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 Lisa Chorzempa-schainis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lisa Chorzempa-schainis reassigns Medicare benefits to 2 organizations: Edward Health Ventures (Elmhurst, IL) and Endeavor Health Medical Group (Evanston, 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 Lisa Chorzempa-schainis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lisa Chorzempa-schainis accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Lisa Chorzempa-schainis 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 Lisa Chorzempa-schainis affiliated with any hospitals?

According to CMS data, Lisa Chorzempa-schainis is affiliated with Elmhurst Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Lisa Chorzempa-schainis was last updated on February 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.