Joanna Chow Ngit Agena, FNP-BC, APRN-RX

Nurse Practitioner

Joanna Chow Ngit Agena is a Nurse Practitioner based in Seattle, WA with over 15 years of clinical experience. Offers virtual telehealth visits.

(206) 965-1700Seattle, WA
Telehealth Available
NPI Active per CMS — Q2 2026

Joanna Chow Ngit Agena, FNP-BC, APRN-RX has practiced nursing for 15+ years, working in group practice. She has been in practice for 15+ years. She regularly sees Medicare patients with high cholesterol, hypertension, and cancer (per CMS claims data).

At a glance

  • Uses generic medications more than 22% of reporting doctors in Washington
  • Virtual visits available — no app or travel required
1 of 355 Nurse Practitioner providers in WASee all Nurse Practitioner in Seattle15+ years experienceNPI since 2012

Older · 2838dNPPES updated 2018-08-17 · verify NPI on CMS · Verify license at Washington Medical Commission

Contact & Location

Practice Location

1101 Madison St Ste 1500, Seattle, WA 98104

Fax: (206) 965-1736
Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Cancer.

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+5%) — a focus area for this doctor

Hypertension
Higher than avg (+2%)72%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↑ More patients than average (+2%) — a focus area for this doctor

Cancer
Higher than avg (+48%)69%

Diseases involving abnormal cell growth with potential to spread to other body parts

US avg: 20.8%

↑ More patients than average (+48%) — a focus area for this doctor

Chronic Kidney Disease
Higher than avg (+8%)38%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

US avg: 29.6%

↑ More patients than average (+8%) — a focus area for this doctor

Diabetes
Lower than avg (-1%)33%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-1%) — less common here

Osteoporosis
Higher than avg (+10%)28%

Weakened bones that are more prone to fractures, common in older adults

US avg: 18.1%

↑ More patients than average (+10%) — a focus area for this doctor

Arthritis
Lower than avg (-27%)22%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-27%) — less common here

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. 15 years in practice

    Experienced

Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

(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.

Taxonomy: 363L00000X

Practice Footprint

Mailing address

1101 Madison St Ste 1500, Seattle, WA 98104-1369

Differs from practice location

Virtual Nursing Care With Joanna Chow Ngit Agena

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Joanna Chow Ngit Agena for cholesterol management, blood pressure monitoring, follow-up consultations — no travel to Seattle required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Joanna Chow Ngit Agena

Dr. Agena is listed as active in the NPI registry with telehealth listed in Seattle, WA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (206) 965-1700.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.

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Claim Profile

Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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