JENNIFER I KLAAS NP
NPI 1932469640
Nurse Practitioner in Hazel Crest, IL

Q: What is Jennifer Klaas's NPI number?

The NPI number for Jennifer Klaas is 1932469640. It was assigned to this individual provider in the NPPES registry on May 29, 2012.

Q: What is Jennifer Klaas's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Jennifer Klaas was last updated on February 7, 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.

Active since May 29, 2012PECOS EnrolledAccepts Medicare Assignment

17850 KEDZIE AVE STE 2100, HAZEL CREST, IL 60429(708) 957-4011(708) 957-4013 Get Directions Write a Review

NPPES record last updated: February 7, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 7, 2025, May 26, 2022 (2 updates tracked since 2022).

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About Jennifer I Klaas Np NPPES

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

JENNIFER I KLAAS NP (NPI 1932469640) is an individual nurse practitioner in Hazel Crest, Illinois, licensed in Illinois (209-009566) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS, is affiliated with Advocate Trinity Hospital, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1932469640

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameJENNIFER I KLAASCredential: NP

Location Address17850 KEDZIE AVE STE 2100Hazel Crest, IL 60429-2056

Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900

Phone(708) 957-4011

Fax(708) 957-4013

Sole ProprietorNo

Medical School CMSRush Medical College Of Rush UniversityGraduated 2011

Enumeration DateMay 29, 2012

Last NPPES UpdateFebruary 7, 20252 updates tracked since enumeration

NPPES CertifiedFebruary 7, 2025

✔ NPI 1932469640 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IL · 209-009566

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

17850 KEDZIE AVE STE 2100, Hazel Crest, IL 60429

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Secondary Practice Location 1

Location 11725 W Harrison St, Suite 207Chicago, IL 60612-3841 · Phone (312) 942-5861

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.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

Jennifer I Klaas Np 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 ID3072760388

PECOS Enrollment IDI20120821000898

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 2

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

263 services141 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

89 services64 patients

Hospital Affiliations CMS Care Compare

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

Advocate Trinity Hospital

Acute Care Hospitals · Chicago, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140048

Location2320 E 93rd StChicago, IL 60617 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60429 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.

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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.

DR. CONSTANCE AGNES PIETRZAK M.D.

Internal Medicine (Gastroenterology)