Joanna S Yi
Nurse Practitioner • Seattle, WA
925 Seneca St
Seattle, WA 981012742
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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NPI assigned on June 4, 2019; this date does not establish years in practice.
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Published CMS data list 20 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- 99232 — Subsequent hospital care with moderate levelof medical decision making: 20 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See the full table · Guide: How to read Medicare Part B data
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Fewer Medicare Part B services than 90% of clinicians listed under Nurse Practitioner in Seattle, WA (2024, 234 clinicians with data). Median for this group: 145. Middle half: 57 to 300.
Fewer Medicare Part B services than 90% of clinicians listed under Nurse Practitioner in Washington (2024, 893 clinicians with data). Median for this group: 234. Middle half: 84 to 502.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 126 in 2020 to 20 in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2020–2024.
Practice Location & Contact Primary Location
925 Seneca St
Seattle, WA 981012742
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Nurse Practitioner: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
17 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.
Medicare-allowed amount
About $1,391 in 2024
The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
Paid by Medicare
About $828 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2021–2025.
NPI first issued
2019
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Can order Medicare-covered services
CMS lists Joanna Yi as eligible to order or refer durable medical equipment (DME) for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Seattle and Washington
Billing and prescribing volume is not a quality rating.
Medicare Part B services
Fewer Medicare Part B services than 90% of clinicians listed under Nurse Practitioner in Seattle, WA (2024, 234 clinicians with data). Median for this group: 145. Middle half: 57 to 300.
Fewer Medicare Part B services than 90% of clinicians listed under Nurse Practitioner in Washington (2024, 893 clinicians with data). Median for this group: 234. Middle half: 84 to 502.
Medicare-allowed amount
A lower Medicare-allowed amount than 90% of clinicians listed under Nurse Practitioner in Seattle, WA (2024, 234 clinicians with data). Median for this group: $12,058. Middle half: $5,364 to $23,972.
A lower Medicare-allowed amount than 90% of clinicians listed under Nurse Practitioner in Washington (2024, 893 clinicians with data). Median for this group: $18,362. Middle half: $7,179 to $35,594.
Paid by Medicare
A lower Medicare payment amount than 90% of clinicians listed under Nurse Practitioner in Seattle, WA (2024, 234 clinicians with data). Median for this group: $8,989. Middle half: $3,794 to $18,229.
A lower Medicare payment amount than 95% of clinicians listed under Nurse Practitioner in Washington (2024, 893 clinicians with data). Median for this group: $13,803. Middle half: $5,221 to $25,979.
569 active clinicians are listed under Nurse Practitioner with a practice address in Seattle, WA (2,310 in Washington).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Seattle
28.8% of these 569 clinicians have the CMS telehealth indicator.
58.7% of these 569 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services decreased 84% from 126 in 2020 to 20 in 2024.
- 2020: 126
- 2022: 24
- 2023: 42
- 2024: 20
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Medicare-allowed amount
Medicare-allowed amount decreased 87% from $10,499 in 2020 to $1,391 in 2024.
- 2020: $10,499
- 2022: $2,191
- 2023: $5,133
- 2024: $1,391
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Paid by Medicare
Paid by Medicare decreased 90% from $8,399 in 2020 to $828 in 2024.
- 2020: $8,399
- 2022: $1,764
- 2023: $3,963
- 2024: $828
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2019–2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2020–2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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99232
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
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20 | 11 | $221.00 | $69.55 |
Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2021-09-14NUCC Taxonomy Code: 363L00000X
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSSources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Internal Medicine - Hematology & Oncology
Doctor of Medicine (M.D.)
Physician Assistant - Medical
Surgery - Vascular Surgery
Surgery
Doctor of Medicine (M.D.)
Physician Assistant - Surgical
Physician Assistant (Certified)
Physical Therapist
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Recorded as JOANNA YI
Nurse Practitioner (license number reported to NPPES: WA AP60975340)
NPI status registered as active in NPPES database
Registered at 925 SENECA ST, SEATTLE, WA 981012742 (Tel: 2062236600)
Registered at 925 SENECA ST, SEATTLE, WA 981012742
Recorded as JOANNA CHOE
Registered Nurse (license number reported to NPPES: WA 60282046)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Nurse Practitioners in Seattle
- Manu Mooker, ARNP
- Dr. Taylor Childs, ARNP, DNP
- Dr. Jungyoun Han, PhD, DNP
- Emily Leaver, ARNP
- Marcus Sheppard, NP
- Sungnam Kim, ARNP
Mailing Address
925 Seneca St
Seattle, WA 981012742