Katherine Sladewski, PA

  • Torrance, CA
  • Physician assistant
NPI1104481324PAC ID3678992559
Medicare services, 2024
479
Medicare patients, 2024
174
Part D claims, 2024
1,344
MIPS score, 2024
100
Hospital affiliations
2
Practice address
20911 Earl St, Torrance, CA 90503
Practice phone
Call (760) 436-4558
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Genesis Healthcare Partners

Torrance, California

See all 6 affiliations

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Katherine Sladewski is a physician assistant in Torrance, California

Katherine Sladewski practices at Genesis Healthcare Partners in Torrance, California.

Katherine Sladewski's NPI, 1104481324, was assigned on May 2, 2019.

NPI and contact details
Medicare PAC ID
3678992559
NPI enumeration date
May 2, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(760) 436-4558
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
32
Medical school graduation
2020

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Katherine Sladewski practices at Genesis Healthcare Partners in Torrance, California

Katherine Sladewski's primary practice is Genesis Healthcare Partners, at 20911 Earl St, Torrance, CA 90503 in Los Angeles County. The practice phone is (760) 436-4558.

  • Genesis Healthcare Partners
    20911 Earl St, Torrance, CA 90503 · Los Angeles CountyPhone(760) 436-4558

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Katherine Sladewski is affiliated with 4 sites of care and 2 medical groups

Katherine Sladewski's primary practice is Genesis Healthcare Partners in Torrance, California. Katherine Sladewski is also affiliated with Torrance Memorial Medical Center. The medical group on file is Unio Specialty Care, Urology, Encinitas (formerly Genesis Healthcare Partners). Dmand AI also links Katherine Sladewski to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 6 affiliations for Katherine Sladewski

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Katherine Sladewski's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Sladewski practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Genesis Healthcare PartnersAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Katherine Sladewski is one of 11,482 physician assistants in California

Physician assistant is Katherine Sladewski's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

Specialties and state licenses

  • Physician assistantPrimarytaxonomy 363A00000X

Clinical focus

Dmand AI lists enlarged prostate, UTI and yeast infection among the conditions Katherine Sladewski treats.

Physician assistants near Katherine Sladewski

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Katherine Sladewski billed Medicare for 479 services in 2024

CMS data shows 479 Medicare services from Katherine Sladewski across 5 procedure codes in 2024, for 174 Medicare patients. Medicare paid $15,526 for them. Every service was in an office.

Medicare services, 2024479
Medicare patients174
Paid by Medicare$15,526
Procedure codes5

Katherine Sladewski's Medicare services by type, 2024

  1. Office and hospital visits171
  2. Other services136
  3. Lab and pathology91
  4. Surgery81

Katherine Sladewski compared with the California median for physician assistants, 2024

  • Katherine Sladewski
  • California median
Medicare services
479vs 2042.3 times
Medicare patients
174vs 10566% above
Part D claims
1,261vs 2435.2 times

Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.

Katherine Sladewski's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Katherine Sladewski

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Katherine Sladewski treated 174 Medicare patients in 2024, average age 75

CMS counts 174 Medicare patients who saw Katherine Sladewski in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Katherine Sladewski's median patient age at 71, with 16% women.

Medicare patients, 2024174
Average age75
Average risk score1.25
Also on Medicaid9%

Katherine Sladewski's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Katherine Sladewski's Medicare patients by sex, 2024

  • Women2414%
  • Men15086%

Chronic conditions among Katherine Sladewski's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis43%
  4. Chronic kidney disease35%
  5. Cancer33%
  6. Diabetes33%
  7. Ischemic heart disease33%
  8. Mood disorders19%

Share of Medicare patients with each condition. A patient can have several.

Katherine Sladewski's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women16%
  • Men83%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Katherine Sladewski wrote 1,344 Medicare Part D claims in 2024

In 2024, Katherine Sladewski wrote 1,344 Medicare Part D claims for 463 patients. 89% of them were for generic drugs. CMS names the drug for 1,261 of them, across 21 drugs with 11 or more claims each, at $170,068 in total drug cost.

Part D claims, 20241,344
Drugs named by CMS21
Total drug cost$170,068
Part D patients463

Katherine Sladewski's Part D claims by kind of drug, 2024

  • Generic1,197 claims89%
  • Brand-name and other147 claims11%

Katherine Sladewski's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Katherine Sladewski's Part D claims, 2024

  • Opioids1%12 of 1,344 claims
  • Antibiotics21%282 of 1,344 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Katherine Sladewski

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Katherine Sladewski scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Katherine Sladewski for performance year 2024, reported as part of a group. Katherine Sladewski accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Katherine Sladewski as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Katherine Sladewski's MIPS scores, performance year 2024

  • 100of 100Final score
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Katherine Sladewski received $2,456 in industry payments from 2024 to 2025

CMS Open Payments shows 97 general payments to Katherine Sladewski from 21 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 93% of the total. Abbvie Inc. paid the most, $672.

General payments to Katherine Sladewski by program year, 2024 to 2025

General payments to Katherine Sladewski by kind, 2024 to 2025

$2.5Kin total
  • Food and beverage$2,27893%
  • Education$1787%

Companies that paid Katherine Sladewski the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Katherine Sladewski

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Katherine Sladewski's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Katherine Sladewski

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Katherine Sladewski's NPI number?

Katherine Sladewski's NPI number is 1104481324. It was assigned on May 2, 2019, and it is active in the NPI Registry.

What does Katherine Sladewski specialize in?

Katherine Sladewski is a physician assistant in Torrance, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Katherine Sladewski practice?

Katherine Sladewski practices at 20911 Earl St, Torrance, CA 90503. Katherine Sladewski's primary practice is Genesis Healthcare Partners in Torrance, California. Dmand AI also links Katherine Sladewski to 1 hospital, 1 group practice or clinic and 1 medical group.

What is Katherine Sladewski's office phone number?

The practice phone on file for Katherine Sladewski is (760) 436-4558.

Which hospitals is Katherine Sladewski affiliated with?

Katherine Sladewski is affiliated with Torrance Memorial Medical Center. Dmand AI links Katherine Sladewski to 1 more hospital.

What medical group is Katherine Sladewski part of?

Katherine Sladewski is linked to Unio Specialty Care, Urology, Encinitas (formerly Genesis Healthcare Partners). Dmand AI links Katherine Sladewski to 1 more medical group.

Does Katherine Sladewski accept Medicare?

Yes. CMS data shows Katherine Sladewski billed Medicare for 479 services in 2024, and Katherine Sladewski accepts Medicare assignment.

Does Katherine Sladewski offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Katherine Sladewski as offering telehealth services.

What is Katherine Sladewski's MIPS score?

Katherine Sladewski's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

How many Medicare patients does Katherine Sladewski see?

CMS counts 174 Medicare patients who saw Katherine Sladewski in 2024, with an average age of 75.

Show 4 more questionsShow fewer questions

What services does Katherine Sladewski bill to Medicare?

In 2024, Katherine Sladewski's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and lab and pathology test (81003).

What drugs does Katherine Sladewski prescribe most?

In 2024 Medicare Part D data, Katherine Sladewski's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Myrbetriq.

Has Katherine Sladewski received payments from drug or device companies?

CMS Open Payments shows $2,456 in general payments to Katherine Sladewski from 21 companies from 2024 to 2025. The largest total came from Abbvie Inc.

How long has Katherine Sladewski been practicing?

Katherine Sladewski graduated from medical school in 2020, 6 years ago.

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