KATHERINE SLADEWSKI PA
NPI 1104481324
Physician Assistant in Torrance, CA

Active since May 02, 2019PECOS EnrolledAccepts Medicare Assignment
83.99/100
CMS Quality Rating
20911 EARL ST STE 140, TORRANCE, CA 90503(310) 542-0199(310) 542-4652 Get Directions Write a Review

NPPES record last updated: April 4, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 4, 2023, Sep 8, 2021, Nov 7, 2020 and 1 more (4 updates tracked since 2019).

About Katherine Sladewski Pa NPPES

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

KATHERINE SLADEWSKI PA (NPI 1104481324) is an individual physician assistant in Torrance, California and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1104481324
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameKATHERINE SLADEWSKICredential: PA
Location Address20911 EARL ST STE 140Torrance, CA 90503-4353
Mailing AddressPo Box 845996Los Angeles, CA 90084-4353 · (858) 888-7700
Fax(310) 542-4652
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateMay 2, 2019
Last NPPES UpdateApril 4, 20234 updates tracked since enumeration
NPPES CertifiedApril 4, 2023
NPI 1104481324 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
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.
20911 EARL ST STE 140, Torrance, CA 90503

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

Katherine Sladewski Pa 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 ID3678992559
PECOS Enrollment IDI20200925001187
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 4

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
136 services130 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
91 services88 patients
Ultrasound measurement of bladder capacity after voiding 51798
Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.
81 services78 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
35 services35 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90503 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

83.99/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.4
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

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

Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351
DME-Orthotic Devices · category DF008N
4 suppliers33 claims4,908 services$1.48 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 8

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

Physician Assistant
20911 EARL ST STE 140
TORRANCE, CA 90503
Physician Assistant (Medical)
20911 EARL ST STE 140
TORRANCE, CA 90503
Physician Assistant
20911 EARL ST STE 140
TORRANCE, CA 90503
Nurse Practitioner (Acute Care)
20911 EARL ST STE 140
TORRANCE, CA 90503
Nurse Practitioner (Family)
20911 EARL ST STE 140
TORRANCE, CA 90503
Urology
20911 EARL ST STE 140
TORRANCE, CA 90503
Urology
20911 EARL ST STE 140
TORRANCE, CA 90503
Urology
20911 EARL ST STE 140
TORRANCE, CA 90503

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 Katherine Sladewski's NPI number?

The NPI number for Katherine Sladewski is 1104481324. It was assigned to this individual provider in the NPPES registry on May 2, 2019.

Where is Katherine Sladewski located?

Katherine Sladewski practices at 20911 Earl St Ste 140, Torrance, CA 90503. The listed phone number is (310) 542-0199.

What is Katherine Sladewski's specialty?

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

Is Katherine Sladewski enrolled in Medicare?

Yes. Katherine Sladewski 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.

When was this NPI record last updated?

The NPPES record for Katherine Sladewski was last updated on April 4, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.