JOSEPH MICHAEL LACH DO
NPI 1225379498
Family Medicine in Joliet, IL
About Joseph Michael Lach Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEPH MICHAEL LACH DO (NPI 1225379498) is an individual family medicine provider in Joliet, Illinois, licensed in Illinois (036138941) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, is affiliated with Palos Community Hospital, and maintains a secondary practice location in Olympia Fields.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
Joseph Michael Lach 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.
Medicare Billing Reassignments
2Medicare enrollment records show Joseph Lach reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Lenox, IL 60451
- Reassigned Medicare billing, Illinois enrollment
- 133 clinicians in this Medicare group
Orland Park, IL 60487
- Reassigned Medicare billing, Illinois enrollment
- 44 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 15
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Palos Community Hospital
Acute Care Hospitals · Palos Heights, ILFranciscan Health Olympia & Chicago Heights
Acute Care Hospitals · Olympia Fields, ILSilver Cross Hospital And Medical Centers
Acute Care Hospitals · New Lenox, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60435 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 9
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Joseph Lach's NPI number?
The NPI number for Joseph Lach is 1225379498. It was assigned to this individual provider in the NPPES registry on March 12, 2013.
Where is Joseph Lach located?
Joseph Lach practices at 1051 Essington Rd Ste 265, Joliet, IL 60435. The listed phone number is (815) 300-7764.
What is Joseph Lach's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Joseph Lach enrolled in Medicare?
Yes. Joseph Lach 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 Joseph Lach's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Lach reassigns Medicare benefits to 2 organizations: Health Service Systems, Inc (New Lenox, IL) and Premier Suburban Medical Group, PLLC (Orland Park, 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 Joseph Lach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joseph Lach accept?
Health plans from Oscar Health list Joseph Lach 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 Joseph Lach affiliated with any hospitals?
According to CMS data, Joseph Lach is affiliated with Palos Community Hospital, Franciscan Health Olympia & Chicago Heights and Silver Cross Hospital And Medical Centers.
When was this NPI record last updated?
The NPPES record for Joseph Lach was last updated on August 6, 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.