DR. LAWRENCE MARCZAK DPM
NPI 1831129170
Podiatrist in Chicago, IL
About Dr. Lawrence Marczak Dpm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LAWRENCE MARCZAK DPM (NPI 1831129170) is an individual podiatrist in Chicago, Illinois, licensed in Illinois (016003003) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1978).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
Dr. Lawrence Marczak Dpm 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 Lawrence Marczak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60602
- Reassigned Medicare billing, Illinois enrollment
Chicago, IL 60641
- Reassigned Medicare billing, Illinois enrollment
- 2 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60602 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CHICAGO, IL 60602
CHICAGO, IL 60602
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 Lawrence Marczak's NPI number?
The NPI number for Lawrence Marczak is 1831129170. It was assigned to this individual provider in the NPPES registry on July 3, 2006.
Where is Lawrence Marczak located?
Lawrence Marczak practices at 30 N Michigan Ave Suite 1229, Chicago, IL 60602. The listed phone number is (312) 332-0041.
What is Lawrence Marczak's specialty?
The primary specialty registered for this NPI is Podiatrist with taxonomy code 213E00000X.
Is Lawrence Marczak enrolled in Medicare?
Yes. Lawrence Marczak 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 Lawrence Marczak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lawrence Marczak reassigns Medicare benefits to 2 organizations: Dr Lawrence Marczak Ltd (Chicago, IL) and Foot Care Consultants (Chicago, 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 Lawrence Marczak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lawrence Marczak accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Lawrence Marczak 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.
When was this NPI record last updated?
The NPPES record for Lawrence Marczak was last updated on October 22, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. Lawrence Marczak, DPM · NPI 1831129170
Podiatrist provider in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since July 3, 2006.
## Identity
- **NPI:** 1831129170 (Entity type: Individual)
- **Enumerated:** July 3, 2006
- **Primary specialty:** Podiatrist · taxonomy 213E00000X
- **State license:** 016003003 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 30 N MICHIGAN AVE, SUITE 1229, Chicago, IL 60602-3402
- **Phone:** (312) 332-0041 · **Fax:** (312) 332-2324
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Dr Lawrence Marczak Ltd (NPI 1154590453, Chicago, IL); Foot Care Consultants (NPI 1689736985, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1978
## Record status
- **NPPES last updated:** October 22, 2011
- **Other identifiers:** Medicare PIN 616890; Medicare UPIN T37296; Medicare NSC 4959180001; and 2 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1831129170) · Data from the CMS NPPES public registry.