Katherine Sladewski, PA
NPI 1104481324 · Physician Assistant · Torrance, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Sladewski, PA is a Physician Assistant provider in Torrance, CA (NPI 1104481324).
Provider details
- NPI number
- 1104481324
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
479 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 136 | $118 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 136 | $15 |
| Automated Urinalysis Test81003 | 91 | $2 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 81 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 35 | $84 |
Typical Medicare-allowed amounts for these services range $2–$118 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 439 | 152 |
| Finasteride | 155 | 51 |
| Mirabegronbrand: Myrbetriq | 96 | 27 |
| Ciprofloxacin Hcl | 94 | 65 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 91 | 34 |
| Vibegronbrand: Gemtesa | 50 | 24 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,279 across 51 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-05-02
- Last updated
- 2023-04-04
- Certified
- 2023-04-04
Frequently asked questions
- What is Katherine Sladewski's NPI number?
- Katherine Sladewski's National Provider Identifier (NPI) is 1104481324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Sladewski's specialty?
- Katherine Sladewski is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Sladewski located?
- Katherine Sladewski's practice location on file with NPPES is 20911 Earl St Ste 140, Torrance, CA 90503-4353.
- What is Katherine Sladewski's phone number?
- The practice phone number listed in the NPPES registry for Katherine Sladewski is (310) 542-0199.
- Does Katherine Sladewski accept Medicare?
- Katherine Sladewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Sladewski's NPI active?
- Yes — Katherine Sladewski's NPI (1104481324) is active in the NPPES registry as of the last update on 2023-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.