Provider Profile
Cassandra Slemmer, PA-C is a physician assistant based in Wenatchee, WA. According to Medicare claims data, Cassandra cared for 82 Medicare patients across 89 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, telephone medical discussion with physician, 5-10 minutes, and telephone medical discussion with physician, 11-20 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
820 N CHELAN AVE
Wenatchee, WA 98801
89 services · 82 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
43 | As often as other peers in Physician Assistant |
| Telephone medical discussion with physician, 5-10 minutes | Office visit | 99441 |
24 | As often as other peers in Physician Assistant |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
22 | As often as other peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Cassandra Slemmer is a physician assistant in Wenatchee, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Cassandra Slemmer is listed at 820 N Chelan Ave, Wenatchee, WA 98801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (509) 663-8711. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Cassandra Slemmer's National Provider Identifier is 1639604432. 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
Cassandra Slemmer attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
Cassandra Slemmer has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Cassandra Slemmer 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
Not yet. This profile is built from public federal data and has not been confirmed by Cassandra Slemmer. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.