Provider Profile
Antoinette Castaneda, ARNP
Unclaimed ProfileAbout Antoinette Castaneda
Antoinette Castaneda, ARNP is a nurse practitioner based in Seattle, WA. Antoinette is a 2021 graduate of University of Southern California Keck School of Medicine. Medicare claims data shows Antoinette provided 27 services to 26 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 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 1205559937.
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) 520-5000
- Email not available
Practice Locations
1959 NE PACIFIC ST
Seattle, WA 98195
Procedures Most Often Billed to Medicare
27 services · 26 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| 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 Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
13 | Less often than most peers in Nurse Practitioner |
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 7
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 nurse practitioners in Seattle 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at University of Southern California Keck School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at University of Southern California Keck School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Antoinette Castaneda specialize in?
Antoinette Castaneda is a nurse practitioner in Seattle, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Antoinette Castaneda located?
Antoinette Castaneda is listed at 1959 Ne Pacific St, Seattle, WA 98195. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Antoinette Castaneda's phone number?
The number on file is (206) 520-5000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Antoinette Castaneda?
Antoinette Castaneda's National Provider Identifier is 1205559937. 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 Antoinette Castaneda train?
Antoinette Castaneda attended University of Southern California Keck School of Medicine, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Antoinette Castaneda have?
Antoinette Castaneda has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What does Antoinette Castaneda do most often?
According to Medicare billing data, Antoinette Castaneda 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
Is Antoinette Castaneda's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Antoinette Castaneda. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.