Provider Profile
Jolyn M. Kowallis, APN, NP-C is a nurse practitioner practicing in Hoffman Estates, IL. Medicare claims data shows Jolyn provided 106 services to 77 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1555 BARRINGTON RD DOCTORS BUILDING #3-SUITE 1200
Hoffman Estates, IL 60169
800 Biesterfield Rd Ste 510
Elk Grove Village, IL 60007
106 services · 77 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
54 | As often as other peers in Nurse Practitioner |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
41 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
11 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Jolyn M. Kowallis, APN is a nurse practitioner in Hoffman Estates, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Jolyn M. Kowallis, APN is listed at 1555 Barrington Rd Doctors Building #3-Suite 1200, Hoffman Estates, IL 60169. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (847) 885-4100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Jolyn M. Kowallis, APN's National Provider Identifier is 1194042283. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Jolyn M. Kowallis, APN has 16+ years experience. Registered with an NPI since 2010. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Jolyn M. Kowallis, APN the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Jolyn M. Kowallis, APN. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.