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CATHERINE BACH D.O.
NPI 1649711292
Family Medicine in Lake Forest, IL

Active since March 15, 2017PECOS EnrolledAccepts Medicare Assignment
900 N WESTMORELAND RD STE 220, LAKE FOREST, IL 60045(847) 535-8060(847) 535-8070 Get Directions Write a Review

NPPES record last updated: June 26, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 26, 2025, Dec 17, 2024, Nov 8, 2021 and 2 more (5 updates tracked since 2017).

About Catherine Bach D.o. NPPES

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

CATHERINE BACH D.O. (NPI 1649711292) is an individual family medicine provider in Lake Forest, Illinois, licensed in Illinois (036151551) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and is a graduate of Michigan State University College Of Osteopathic Medicine (2017).

NPPES Registry Identity

NPI1649711292
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameCATHERINE BACHCredential: D.O.
Location Address900 N WESTMORELAND RD STE 220Lake Forest, IL 60045-1681
Mailing Address900 N Westmoreland Rd Ste 220Lake Forest, IL 60045-1681 · (847) 535-8060 · Fax (847) 535-8070
Phone(847) 535-8060
Fax(847) 535-8070
Sole ProprietorYes
Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 2017
Enumeration DateMarch 15, 2017
Last NPPES UpdateJune 26, 20255 updates tracked since enumeration
NPPES CertifiedJune 26, 2025
✔ NPI 1649711292 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in IL · 036151551
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
900 N WESTMORELAND RD STE 220, Lake Forest, IL 60045
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Other Names 1

Former Name (1)Catherine Le Do

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

Catherine Bach 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 ID2860803517
PECOS Enrollment IDI20201201002208
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 Catherine Bach reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Access Community Health Network
12 mi
Federally Qualified Health Center (FQHC)
1120 N ARLINGTON HEIGHTS RD
Arlington Heights, IL 60004
  • Reassigned Medicare billing, Illinois enrollment
  • 413 clinicians in this Medicare group
NPI 1780879023 (847) 342-1554
Northwestern Medical Faculty Foundation
25 mi
Multi-Specialty
DEPT 5777
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 4,817 clinicians in this Medicare group
NPI 1346235314 (855) 694-2866

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60045 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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 2

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

SUPRIYA MOHAN
Social Worker (Clinical)
900 N WESTMORELAND RD STE 220
LAKE FOREST, IL 60045
Lake County (847) 535-8060
CRYSTAL CAMPOS LCSW
Social Worker
900 N WESTMORELAND RD STE 220
LAKE FOREST, IL 60045
Lake County (847) 535-8060

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 Catherine Bach's NPI number?

The NPI number for Catherine Bach is 1649711292. It was assigned to this individual provider in the NPPES registry on March 15, 2017. The provider is also known as Catherine Le Do.

Where is Catherine Bach located?

Catherine Bach practices at 900 N Westmoreland Rd Ste 220, Lake Forest, IL 60045. The listed phone number is (847) 535-8060.

What is Catherine Bach's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Catherine Bach enrolled in Medicare?

Yes. Catherine Bach 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 Catherine Bach's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Bach reassigns Medicare benefits to 2 organizations: Access Community Health Network (Arlington Heights, IL) and Northwestern Medical Faculty Foundation (Carol Stream, 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 Catherine Bach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Catherine Bach affiliated with any hospitals?

According to CMS data, Catherine Bach is affiliated with Northwestern Lake Forest Hospital.

When was this NPI record last updated?

The NPPES record for Catherine Bach was last updated on June 26, 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.