MRS. LAUREN LOUISE PIETRYLA FNP-C
NPI 1154188936
Nurse Practitioner - Women's Health in Oak Lawn, IL

Active since February 28, 2024PECOS EnrolledAccepts Medicare Assignment
9555 S 52ND AVE STE E, OAK LAWN, IL 60453(708) 423-2300(708) 423-2318 Get Directions Write a Review

NPPES record last updated: February 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 11, 2025, Dec 20, 2024 (2 updates tracked since 2024).

About Mrs. Lauren Louise Pietryla Fnp-c NPPES

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

MRS. LAUREN LOUISE PIETRYLA FNP-C (NPI 1154188936) is an individual women's health provider in Oak Lawn, Illinois, licensed in Illinois (209029340) and active in the NPI registry since February 2024. She is enrolled in Medicare PECOS, is affiliated with Advocate Christ Hospital & Medical Center, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1154188936
Entity TypeIndividualFemale
Primary Taxonomy363LW0102X
Provider Legal NameMRS. LAUREN LOUISE PIETRYLACredential: FNP-C
Location Address9555 S 52ND AVE STE EOak Lawn, IL 60453-3054
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Fax(708) 423-2318
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateFebruary 28, 2024
Last NPPES UpdateFebruary 11, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 11, 2025
NPI 1154188936 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Women's HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LW0102X
License Licensed in IL · 209029340
Also ListedNurse PractitionerTaxonomy 363L00000X · License 209-029340 (IL)
9555 S 52ND AVE STE E, Oak Lawn, IL 60453

Other Names 1

Former Name (1)Lauren Louise Grzeskowiak

Secondary Practice Location 1

Location 111324 S Ridgeway AveChicago, IL 60655-3434 · Phone (708) 522-6144

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

Mrs. Lauren Louise Pietryla Fnp-c 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 ID9931637865
PECOS Enrollment IDI20250106003185
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.

Hospital Affiliations CMS Care Compare

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

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 60453 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES 5

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

Social Worker (Clinical)
9555 S 52ND AVE STE E
OAK LAWN, IL 60453
Nurse Practitioner (Family)
9555 S 52ND AVE STE E
OAK LAWN, IL 60453
Obstetrics & Gynecology
9555 S 52ND AVE STE E
OAK LAWN, IL 60453
Obstetrics & Gynecology
9555 S 52ND AVE STE E
OAK LAWN, IL 60453
Obstetrics & Gynecology
9555 S 52ND AVE STE E
OAK LAWN, IL 60453

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 Lauren Pietryla's NPI number?

The NPI number for Lauren Pietryla is 1154188936. It was assigned to this individual provider in the NPPES registry on February 28, 2024. The provider is also known as Lauren Louise Grzeskowiak.

Where is Lauren Pietryla located?

Lauren Pietryla practices at 9555 S 52nd Ave Ste E, Oak Lawn, IL 60453. The listed phone number is (708) 423-2300.

What is Lauren Pietryla's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.

Is Lauren Pietryla enrolled in Medicare?

Yes. Lauren Pietryla 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 Lauren Pietryla accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Lauren Pietryla 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 Lauren Pietryla affiliated with any hospitals?

According to CMS data, Lauren Pietryla is affiliated with Advocate Christ Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Lauren Pietryla was last updated on February 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.