Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. DAVID ULASZEK M.D.
NPI 1215912316
Internal Medicine in Chicago, IL

Active since December 12, 2005PECOS Enrolled
5525 S PULASKI RD, CHICAGO, IL 60629(773) 585-1955(773) 284-5268 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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

NPI1215912316
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. DAVID ULASZEKCredential: M.D.
Location Address5525 S PULASKI RDChicago, IL 60629-4417
Mailing Address2525 S Michigan Ave, B-390Chicago, IL 60616-2333 · (312) 567-6691 · Fax (312) 328-7895
Fax(773) 284-5268
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1991
Enumeration DateDecember 12, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1215912316 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
5525 S PULASKI RD, Chicago, IL 60629

Other Identifiers 2

Other01621679IL · Bcbs Of Il
Medicaid036082090 / 01IL

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.

PECOS PAC ID1254520471
PECOS Enrollment IDI20110104000645
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.

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
411 services146 patients
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.
51 services31 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
37 services37 patients
Influenza vaccine, inactivated 90653
The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.
33 services33 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
12 services12 patients

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, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140179
Location2800 W 95th StEvergreen Park, IL 60805 · Cook County
Emergency services Birthing friendly

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

Physician 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.

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
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

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.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
15 suppliers50 claims134 services$5.61 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
10 suppliers23 claims27 services$0.93 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Advanced Practice Midwife
5525 S PULASKI RD
CHICAGO, IL 60629
Pharmacist
5525 S PULASKI RD
CHICAGO, IL 60629
General Practice
5525 S PULASKI RD
CHICAGO, IL 60629
Internal Medicine
5525 S PULASKI RD
CHICAGO, IL 60629
Occupational Therapist
5525 S PULASKI RD
CHICAGO, IL 60629
Dermatology
5525 S PULASKI RD
CHICAGO, IL 60629
Advanced Practice Midwife
5525 S PULASKI RD
CHICAGO, IL 60629
Pediatrics
5525 S PULASKI RD
CHICAGO, IL 60629

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.