Jolyn Kowallis, APN,NP-C
NPI 1194042283 · Nurse Practitioner · Hoffman Estates, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jolyn Kowallis, APN,NP-C is a Nurse Practitioner provider in Hoffman Estates, IL (NPI 1194042283).
Provider details
- NPI number
- 1194042283
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN,NP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 209008090 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
106 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 54 | $103 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 41 | $69 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 11 | $112 |
Typical Medicare-allowed amounts for these services range $69–$112 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 126 | 27 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 102 | 17 |
| Tiotropium Br/Olodaterol Hclbrand: Stiolto Respimat | 101 | 20 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 53 | 25 |
| Prednisone | 48 | 28 |
| Azithromycin | 31 | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,246 across 74 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 800 Biesterfield Rd Ste 510Elk Grove Village, IL 60007-3367Phone: (847) 981-3660
Registry dates
- Enumerated
- 2010-04-28
- Last updated
- 2021-04-05
- Certified
- 2021-04-05
Frequently asked questions
- What is Jolyn Kowallis's NPI number?
- Jolyn Kowallis's National Provider Identifier (NPI) is 1194042283, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jolyn Kowallis's specialty?
- Jolyn Kowallis is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jolyn Kowallis located?
- Jolyn Kowallis's practice location on file with NPPES is 1555 Barrington Rd, Hoffman Estates, IL 60169-1019.
- What is Jolyn Kowallis's phone number?
- The practice phone number listed in the NPPES registry for Jolyn Kowallis is (847) 885-4100.
- Does Jolyn Kowallis accept Medicare?
- Jolyn Kowallis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jolyn Kowallis's NPI active?
- Yes — Jolyn Kowallis's NPI (1194042283) is active in the NPPES registry as of the last update on 2021-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.