Provider Profile
Katherine Ziwisky
Unclaimed ProfileAbout Katherine Ziwisky
Katherine Ziwisky is a physician assistant practicing in Renton, WA. According to Medicare claims data, Katherine cared for 144 Medicare patients across 208 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1811399660.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (425) 690-3487
- Email not available
Practice Locations
4033 TALBOT RD S STE 570
Renton, WA 98055
15644 Pomerado Rd Suite 202
Poway, CA 92064
Procedures Most Often Billed to Medicare
208 services · 144 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
106 | More often than most peers in Physician Assistant |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
34 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
29 | Less often than most peers in Physician Assistant |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
25 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
14 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 3
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other physician assistants in Renton 7
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Katherine Ziwisky?
Katherine Ziwisky is a physician assistant in Renton, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Katherine Ziwisky's address?
Katherine Ziwisky is listed at 4033 Talbot Rd S Ste 570, Renton, WA 98055. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Katherine Ziwisky?
The number on file is (425) 690-3487. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Katherine Ziwisky's NPI number?
Katherine Ziwisky's National Provider Identifier is 1811399660. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Katherine Ziwisky train?
Katherine Ziwisky attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How long has Katherine Ziwisky been practicing?
Katherine Ziwisky has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What procedures does Katherine Ziwisky perform?
According to Medicare billing data, Katherine Ziwisky the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Katherine Ziwisky confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Katherine Ziwisky. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.