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Jennifer I. Klaas, NP

  • Hazel Crest, IL
  • Nurse practitioner
NPI1932469640PAC ID3072760388
Medicare patients, 2024
188
Hospital affiliations
1
Medical groups
2
State license
1
Year NPI issued
2012
Practice address
17800 S Kedzie Ave., Hazel Crest, IL 60429
Practice phone
Call (708) 213-3355
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Advocate South Suburban Hospital - Mammography

Mammography / Breast Imaging Center · Hazel Crest, Illinois

See all 6 affiliations

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Jennifer I. Klaas is a nurse practitioner in Hazel Crest, Illinois

Jennifer Klaas practices at Advocate South Suburban Hospital - Mammography in Hazel Crest, Illinois.

Jennifer Klaas' NPI, 1932469640, was assigned on May 29, 2012. Jennifer Klaas graduated from Rush Medical College of Rush University in 2011. Jennifer Klaas holds Illinois license 209-009566.

NPI and contact details
NPI
1932469640NPI Registry (opens in a new tab)
Medicare PAC ID
3072760388
NPI enumeration date
May 29, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(708) 213-3355
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
41
Medical school graduation
2011

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Jennifer I. Klaas practices at Advocate South Suburban Hospital - Mammography in Hazel Crest, Illinois

Jennifer Klaas' primary practice is Advocate South Suburban Hospital - Mammography, at 17800 S Kedzie Ave., Hazel Crest, IL 60429. The practice phone is (708) 213-3355.

  • Advocate South Suburban Hospital - Mammography
    17800 S Kedzie Ave., Hazel Crest, IL 60429Phone(708) 213-3355

Source: Dmand AI Affiliation Data

Jennifer I. Klaas is affiliated with 4 sites of care and 2 medical groups

Jennifer Klaas' primary practice is Advocate South Suburban Hospital - Mammography in Hazel Crest, Illinois. Jennifer Klaas is also affiliated with Advocate Trinity Hospital. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Jennifer Klaas to 2 more group practices and clinics and 1 medical group, each named with a free account.

Advocate South Suburban Hospital - MammographyMammography / Breast Imaging Center · Hazel Crest, IllinoisPrimary
Advocate Trinity HospitalAcute care hospital, Chicago, ILDreyer Medical Clinic (Advocate Medical Group)Primary care group, Aurora, IL2 group practices and clinicsNames with a free account1 medical groupName with a free accountParent health systemName with a free account
See all 6 affiliations for Jennifer Klaas

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Jennifer I. Klaas' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Jennifer Klaas practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Advocate South Suburban Hospital - MammographyAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Jennifer I. Klaas is one of 4,254 nurse practitioners in Illinois

Nurse practitioner is Jennifer Klaas' primary specialty in the NPI Registry, under taxonomy code 363L00000X. Jennifer Klaas is licensed in Illinois.

Specialties and state licenses

  • Nurse practitioner, IllinoisPrimaryLicense 209-009566 · taxonomy 363L00000X

Nurse practitioners near Jennifer Klaas

Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

4,254nurse practitioners in Illinois17nurse practitioners in Hazel Crest

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Jennifer I. Klaas treated 188 Medicare patients in 2024, average age 74

CMS counts 188 Medicare patients who saw Jennifer Klaas in 2024. The largest group is 65 to 74, with 63 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 43% are also on Medicaid. Their average risk score is 3.46, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Jennifer Klaas' median patient age at 76, with 57% women.

Medicare patients, 2024188
Average age74
Average risk score3.46
Also on Medicaid43%

Jennifer Klaas' Medicare patients by age, 2024

Jennifer Klaas' Medicare patients by sex, 2024

  • Women10556%
  • Men8344%

Chronic conditions among Jennifer Klaas' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease68%
  4. Diabetes63%
  5. Heart failure57%
  6. Arthritis55%
  7. Ischemic heart disease49%
  8. Atrial fibrillation41%

Share of Medicare patients with each condition. A patient can have several.

Jennifer Klaas' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women57%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How Jennifer I. Klaas takes part in Medicare

Jennifer Klaas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Jennifer I. Klaas graduated from Rush Medical College of Rush University

Jennifer Klaas graduated from Rush Medical College of Rush University in 2011.

  1. Medical schoolRush Medical College of Rush University

Source: Dmand AI Professional Profile Data

Sources for Jennifer I. Klaas's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Jennifer I. Klaas

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Jennifer I. Klaas' NPI number?

Jennifer I. Klaas' NPI number is 1932469640. It was assigned on May 29, 2012, and it is active in the NPI Registry.

What does Jennifer I. Klaas specialize in?

Jennifer I. Klaas is a nurse practitioner in Hazel Crest, Illinois. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Jennifer I. Klaas practice?

Jennifer Klaas practices at 17800 S Kedzie Ave., Hazel Crest, IL 60429. Jennifer Klaas' primary practice is Advocate South Suburban Hospital - Mammography in Hazel Crest, Illinois. Dmand AI also links Jennifer Klaas to 2 group practices and clinics and 1 medical group.

What is Jennifer I. Klaas' office phone number?

The practice phone on file for Jennifer Klaas is (708) 213-3355.

What is Jennifer I. Klaas' medical license number?

Jennifer Klaas holds Illinois license 209-009566.

Which hospitals is Jennifer I. Klaas affiliated with?

Jennifer Klaas is affiliated with Advocate Trinity Hospital.

What medical group is Jennifer I. Klaas part of?

Jennifer Klaas is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Jennifer Klaas to 1 more medical group.

Does Jennifer I. Klaas accept Medicare?

Yes. CMS lists Jennifer Klaas as accepting Medicare assignment.

How many Medicare patients does Jennifer I. Klaas see?

CMS counts 188 Medicare patients who saw Jennifer Klaas in 2024, with an average age of 74.

Where did Jennifer I. Klaas go to medical school?

Jennifer Klaas graduated from Rush Medical College of Rush University in 2011.

How long has Jennifer I. Klaas been practicing?

Jennifer Klaas graduated from medical school in 2011, 15 years ago.

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