MS. KAITLIN E MASTALERZ PA-C
NPI 1023404886
Physician Assistant in Lake Forest, IL

Active since April 08, 2015PECOS EnrolledAccepts Medicare Assignment
94.1/100
CMS Quality Rating
660 N WESTMORELAND RD, LAKE FOREST, IL 60045(847) 234-5600 Get Directions Write a Review

NPPES record last updated: May 28, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Kaitlin E Mastalerz Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. KAITLIN E MASTALERZ PA-C (NPI 1023404886) is an individual physician assistant in Lake Forest, Illinois, licensed in Illinois (085.005883) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1023404886
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMS. KAITLIN E MASTALERZCredential: PA-C
Location Address660 N WESTMORELAND RDLake Forest, IL 60045-1659
Mailing Address660 N Westmoreland RdLake Forest, IL 60045-1659 · (847) 234-5600
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 8, 2015
Last NPPES UpdateMay 28, 2024
NPPES CertifiedMay 28, 2024
NPI 1023404886 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in IL · 085.005883
Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

660 N WESTMORELAND RD, Lake Forest, IL 60045

Other Names 1

Former Name (1)Kaitlin E Hayes Pa-c

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ms. Kaitlin E Mastalerz Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527354018
PECOS Enrollment IDI20160909000589
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
154 services91 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
58 services58 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
37 services37 patients
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 G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
24 services12 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60045 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.59
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$14.38 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$60.03 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pathology (Anatomic Pathology & Clinical Pathology)
660 N WESTMORELAND RD
LAKE FOREST, IL 60045
Obstetrics & Gynecology
660 N WESTMORELAND RD, SUITE 302
LAKE FOREST, IL 60045
Hospitalist
660 N WESTMORELAND RD
LAKE FOREST, IL 60045
Anesthesiology
660 N WESTMORELAND RD
LAKE FOREST, IL 60045
Audiologist
660 N WESTMORELAND RD
LAKE FOREST, IL 60045
Clinical Nurse Specialist (Critical Care Medicine)
660 N WESTMORELAND RD
LAKE FOREST, IL 60045
Clinic/Center (Radiology)
660 N WESTMORELAND RD, RADIOLOGY DEPARTMENT
LAKE FOREST, IL 60045
Dietitian, Registered
660 N WESTMORELAND RD
LAKE FOREST, IL 60045

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kaitlin Mastalerz's NPI number?

The NPI number for Kaitlin Mastalerz is 1023404886. It was assigned to this individual provider in the NPPES registry on April 8, 2015. The provider is also known as Kaitlin E Hayes Pa-C.

Where is Kaitlin Mastalerz located?

Kaitlin Mastalerz practices at 660 N Westmoreland Rd, Lake Forest, IL 60045. The listed phone number is (847) 234-5600.

What is Kaitlin Mastalerz's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Kaitlin Mastalerz enrolled in Medicare?

Yes. Kaitlin Mastalerz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Kaitlin Mastalerz affiliated with any hospitals?

According to CMS data, Kaitlin Mastalerz is affiliated with Northwestern Lake Forest Hospital.

When was this NPI record last updated?

The NPPES record for Kaitlin Mastalerz was last updated on May 28, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.