MR. DAVID ULASZEK M.D.
NPI 1215912316
Internal Medicine in Chicago, IL
About Mr. David Ulaszek M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. DAVID ULASZEK M.D. (NPI 1215912316) is an individual internal medicine provider in Chicago, Illinois and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Osf Little Company Of Mary Medical Center, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. David Ulaszek 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.
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Osf Little Company Of Mary Medical Center
Acute Care Hospitals · Evergreen Park, ILAdvocate Christ Hospital & Medical Center
Acute Care Hospitals · Oak Lawn, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60629 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 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 David Ulaszek's NPI number?
The NPI number for David Ulaszek is 1215912316. It was assigned to this individual provider in the NPPES registry on December 12, 2005.
Where is David Ulaszek located?
David Ulaszek practices at 5525 S Pulaski Rd, Chicago, IL 60629. The listed phone number is (773) 585-1955.
What is David Ulaszek's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is David Ulaszek enrolled in Medicare?
Yes. David Ulaszek 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.
What insurance does David Ulaszek accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list David Ulaszek 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 David Ulaszek affiliated with any hospitals?
According to CMS data, David Ulaszek is affiliated with Osf Little Company Of Mary Medical Center and Advocate Christ Hospital & Medical Center.
When was this NPI record last updated?
The NPPES record for David Ulaszek was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.