Provider Profile
Kaitlin E. Mastalerz, PA-C
Unclaimed ProfileAbout Kaitlin Mastalerz
Listed in the NPI registry as a physician assistant, Kaitlin E. Mastalerz, PA-C practices in Lake Forest, IL. According to Medicare claims data, Kaitlin cared for 313 Medicare patients across 666 services. The services billed most often include prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by t, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. NPI 1023404886 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (847) 234-5600
- Email not available
Practice Locations
660 N WESTMORELAND RD
Lake Forest, IL 60045
Procedures Most Often Billed to Medicare
666 services · 313 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by t | Billing code | G0316 |
381 | More than most peers in Physician Assistant |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
154 | More often than most peers in Physician Assistant |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
58 | More often than most peers in Physician Assistant |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
37 | As often as other peers in Physician Assistant |
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Billing code | G2212 |
24 | As often as other peers in Physician Assistant |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
12 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other physician assistants in Lake Forest 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Kaitlin E. Mastalerz's specialty?
Kaitlin E. Mastalerz is a physician assistant in Lake Forest, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Kaitlin E. Mastalerz?
Kaitlin E. Mastalerz is listed at 660 N Westmoreland Rd, Lake Forest, IL 60045. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Kaitlin E. Mastalerz?
The number on file is (847) 234-5600. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Kaitlin E. Mastalerz's NPI number?
Kaitlin E. Mastalerz's National Provider Identifier is 1023404886. 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
What is Kaitlin E. Mastalerz's education?
Kaitlin E. Mastalerz attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Kaitlin E. Mastalerz been practicing?
Kaitlin E. Mastalerz has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What is Kaitlin E. Mastalerz known for?
According to Medicare billing data, Kaitlin E. Mastalerz 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
Has Kaitlin E. Mastalerz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Kaitlin E. Mastalerz. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.