Jolyn Marie Kowallis, APN, NPC

  • Elk Grove Village, IL
  • Nurse practitioner
NPI1194042283
Medicare patients, 2024
74
Part D claims, 2024
685
Hospital affiliations
2
Industry payments
$43
Medical groups
3
Practice address
800 Biesterfield Rd, Elk Grove Village, IL 60007
Practice phone
Call (847) 437-5500
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Ascension Alexian Brothers

Hospital · Elk Grove Village, Illinois

See all 5 affiliations

Find Jolyn Kowallis' professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Jolyn Marie Kowallis is a nurse practitioner in Elk Grove Village, Illinois

Jolyn Kowallis practices at Ascension Alexian Brothers in Elk Grove Village, Illinois, part of Ascension Health Alliance.

Jolyn Kowallis' NPI, 1194042283, was assigned on April 28, 2010. Jolyn Kowallis holds Illinois license 209008090.

NPI and contact details
NPI enumeration date
April 28, 2010
NPI status
Active
Practice phone
(847) 437-5500
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
42
Medical school graduation
2010

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

Jolyn Marie Kowallis practices at Ascension Alexian Brothers in Elk Grove Village, Illinois

Jolyn Kowallis' primary practice is Ascension Alexian Brothers, at 800 Biesterfield Rd, Elk Grove Village, IL 60007 in Cook County. The practice phone is (847) 437-5500.

Source: Dmand AI Affiliation Data

Jolyn Marie Kowallis is affiliated with 2 sites of care and 3 medical groups

Jolyn Kowallis' primary practice is Ascension Alexian Brothers in Elk Grove Village, Illinois, part of Ascension Health Alliance. Jolyn Kowallis is also affiliated with Ascension Saint Alexius. The medical group on file is Endeavor Health Medical Group. Dmand AI also links Jolyn Kowallis to 2 more medical groups, each named with a free account.

See all 5 affiliations for Jolyn Kowallis

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

Dmand AI tracks the EHR system at Jolyn Marie Kowallis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Jolyn Kowallis practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ascension Alexian BrothersAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Jolyn Kowallis practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.

Jolyn Marie Kowallis is one of 4,254 nurse practitioners in Illinois

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

Specialties and state licenses

  • Nurse practitioner, IllinoisPrimaryLicense 209008090 · taxonomy 363L00000X

Nurse practitioners near Jolyn Kowallis

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

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

Jolyn Marie Kowallis treated 74 Medicare patients in 2024, average age 77

CMS counts 74 Medicare patients who saw Jolyn Kowallis in 2024. The largest group is 75 to 84, with 27 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 22% are also on Medicaid. Their average risk score is 2.57, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Jolyn Kowallis' median patient age at 79, with 44% women.

Medicare patients, 202474
Average age77
Average risk score2.57
Also on Medicaid22%

Jolyn Kowallis' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Jolyn Kowallis' Medicare patients by sex, 2024

  • Women3953%
  • Men3547%

Chronic conditions among Jolyn Kowallis' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol73%
  3. COPD66%
  4. Arthritis57%
  5. Ischemic heart disease53%
  6. Heart failure50%
  7. Atrial fibrillation42%
  8. Cancer42%

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

Jolyn Kowallis' patients across all payers

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

Patient panel by age, all payers

Median age 79

Patient panel by sex, all payers

  • Women44%
  • Men56%

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

Jolyn Marie Kowallis wrote 685 Medicare Part D claims in 2024

In 2024, Jolyn Kowallis wrote 685 Medicare Part D claims for 159 patients. 25% of them were for generic drugs.

Part D claims, 2024685
Part D patients159

Jolyn Kowallis' Part D claims by kind of drug, 2024

  • Generic172 claims25%
  • Brand-name513 claims75%

Drug classes CMS tracks in Jolyn Kowallis' Part D claims, 2024

  • Antibiotics8%53 of 685 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

For MedTech and pharma teams

Find nurse practitioners like Jolyn Kowallis by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Jolyn Marie Kowallis received $43 in industry payments in 2025

CMS Open Payments shows 2 general payments to Jolyn Kowallis from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $22.

Companies that paid Jolyn Kowallis the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Jolyn Kowallis

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Jolyn Marie Kowallis'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)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Jolyn Marie Kowallis

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

What is Jolyn Marie Kowallis' NPI number?

Jolyn Marie Kowallis' NPI number is 1194042283. It was assigned on April 28, 2010, and it is active in the NPI Registry.

What does Jolyn Marie Kowallis specialize in?

Jolyn Marie Kowallis is a nurse practitioner in Elk Grove Village, Illinois. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Jolyn Marie Kowallis practice?

Jolyn Kowallis practices at 800 Biesterfield Rd, Elk Grove Village, IL 60007. Jolyn Kowallis' primary practice is Ascension Alexian Brothers in Elk Grove Village, Illinois, part of Ascension Health Alliance. Dmand AI also links Jolyn Kowallis to 2 medical groups.

What is Jolyn Marie Kowallis' office phone number?

The practice phone on file for Jolyn Kowallis is (847) 437-5500.

What is Jolyn Marie Kowallis' medical license number?

Jolyn Kowallis holds Illinois license 209008090.

Which hospitals is Jolyn Marie Kowallis affiliated with?

Jolyn Kowallis practices at Ascension Alexian Brothers in Elk Grove Village, Illinois. Jolyn Kowallis is also affiliated with Ascension Saint Alexius.

What medical group is Jolyn Marie Kowallis part of?

Jolyn Kowallis is linked to Endeavor Health Medical Group. Dmand AI links Jolyn Kowallis to 2 more medical groups.

How many Medicare patients does Jolyn Marie Kowallis see?

CMS counts 74 Medicare patients who saw Jolyn Kowallis in 2024, with an average age of 77.

Has Jolyn Marie Kowallis received payments from drug or device companies?

CMS Open Payments shows $43 in general payments to Jolyn Kowallis from 2 companies from 2025 to 2025. The largest total came from Abbvie Inc.

How long has Jolyn Marie Kowallis been practicing?

Jolyn Kowallis graduated from medical school in 2010, 16 years ago.

Selling to nurse practitioner practices?

See nurse practitioners in Illinois by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)