KATHERINE ZIWISKY
NPI 1811399660
Physician Assistant in Renton, WA

Q: What is Katherine Ziwisky's NPI number?

The NPI number for Katherine Ziwisky is 1811399660. It was assigned to this individual provider in the NPPES registry on September 24, 2014. The provider is also known as Katherine Rachel Fleming Pa-C.

Q: What is Katherine Ziwisky's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Katherine Ziwisky was last updated on April 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 24, 2014PECOS EnrolledAccepts Medicare Assignment

4033 TALBOT RD S STE 570, RENTON, WA 98055(425) 690-3487(425) 690-9087 Get Directions Write a Review

NPPES record last updated: April 25, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 25, 2022, Jan 30, 2017 (2 updates tracked since 2017).

On this page

About Katherine Ziwisky NPPES

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

KATHERINE ZIWISKY (NPI 1811399660) is an individual physician assistant in Renton, Washington, licensed in Washington (PA61249152) and active in the NPI registry since September 2014. She is enrolled in Medicare PECOS, is affiliated with Valley Medical Center, and maintains a secondary practice location in Poway.

NPPES Registry Identity

NPI1811399660

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameKATHERINE ZIWISKY

Location Address4033 TALBOT RD S STE 570Renton, WA 98055-5700

Mailing Address4033 Talbot Rd S Ste 570Renton, WA 98055-5700 · (425) 690-3487 · Fax (425) 690-9087

Phone(425) 690-3487

Fax(425) 690-9087

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateSeptember 24, 2014

Last NPPES UpdateApril 25, 20222 updates tracked since enumeration

NPPES CertifiedApril 25, 2022

✔ NPI 1811399660 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

Licenses✔ Licensed in WA · PA61249152✔ Licensed in IL · 085005136✔ Licensed in CA · 53336

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.

4033 TALBOT RD S STE 570, Renton, WA 98055

Open in Google Maps ↗

Other Names 1

Former Name (1)Katherine Rachel Fleming Pa-c

Secondary Practice Location 1

Location 115644 Pomerado Rd, Suite 202Poway, CA 92064-2400 · Phone (858) 312-5459 · Fax (858) 345-3743

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

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 Ziwisky 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 ID1254553563

PECOS Enrollment IDI20220502001060

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 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

106 services57 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.

34 services34 patients

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.

29 services25 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

25 services16 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.

14 services12 patients

Hospital Affiliations CMS Care Compare

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

Valley Medical Center

Acute Care Hospitals · Renton, WA

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number500088

Location400 S 43rd StRenton, WA 98055 · King County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98055 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

$97.43 typical visit price

range $63.67 – $189.37

Typical copayment $24.35 (range $15.91 – $47.34)

Most-billed visit code 99203

Established Patient

$78.74 typical visit price

range $21.12 – $155.00

Typical copayment $19.68 (range $5.28 – $38.75)

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.

Other Providers at the Same Location NPPES 9

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

MISS MICHELLE LYNN RODGERS P.A.-C

Physician Assistant (Medical)