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Edit this profileWhere to find Caitlin Kerwin
- Seattle location main office
1100 9Th Ave, Seattle, WA 98101 - Seattle location
825 Eastlake Ave E, Seattle, WA 98109 - Seattle location
1959 NE Pacific St, Seattle, WA 98195
About Caitlin Kerwin
Caitlin Kerwin is a physician assistant based in Seattle, WA. According to Medicare claims data, Caitlin cared for 84 Medicare patients across 95 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1568102572.
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
- (206) 223-2319
- Email not available
Practice Locations
1100 9TH AVE
Seattle, WA 98101
825 Eastlake Ave E
Seattle, WA 98109
1959 NE Pacific St
Seattle, WA 98195
Procedures Most Often Billed to Medicare
95 services · 84 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
81 | More often than most 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 |
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.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 Seattle 8
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 2023 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Caitlin Kerwin specialize in?
Caitlin Kerwin is a physician assistant in Seattle, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Caitlin Kerwin located?
Caitlin Kerwin is listed at 1100 9Th Ave, Seattle, WA 98101. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Caitlin Kerwin's phone number?
The number on file is (206) 223-2319. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Caitlin Kerwin's NPI number?
Caitlin Kerwin's National Provider Identifier is 1568102572. 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 Caitlin Kerwin train?
Caitlin Kerwin attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
How long has Caitlin Kerwin been practicing?
Caitlin Kerwin has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
What does Caitlin Kerwin do most often?
According to Medicare billing data, Caitlin Kerwin 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 Caitlin Kerwin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Caitlin Kerwin. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.