Fionnuala Cathryn Cormack, MD

Nephrology Internal Medicine

Fionnuala Cathryn Cormack is a Nephrology Internal Medicine specialist based in Seattle, WA with over 25 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: INTERNAL MEDICINE

(206) 744-8998Seattle, WA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Fionnuala Cathryn Cormack, MD practices as part of a group nephrologist practice in Seattle, WA. With 25+ years of experience, she has been practicing in the Seattle area. Among her Medicare patients, common conditions include hypertension, kidney disease, and high cholesterol (per CMS data). CMS MIPS quality score: 93.09/100 (2023).

At a glance

  • Uses generic medications more than 69% of reporting doctors in Washington
  • Federal MIPS score higher than 46% of MIPS-scored doctors in Washington
  • Virtual visits available — no app or travel required
1 of 109 Internal Medicine providers in WASee all Internal Medicine in Seattle25+ years experienceNPI since 2006

Older · 5781dNPPES updated 2010-07-29 · verify NPI on CMS · Verify license at Washington Medical Commission

Contact & Location

Practice Location

325 9th Ave Box 359764, Seattle, WA 98104-2420

Fax: (206) 744-5087
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor has an average quality score compared to other doctors in Washington, favors affordable generic drugs over brand-name ones.

MIPS Score

2023

93.09/100

Washington avg: 87.4 · US avg: 83.6

Higher than most doctors nationally(+9.5 pts)

Average range among MIPS-scored doctors in Washington

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Generic Rx

↑ Higher = better

91.1%

Washington avg: 85.1 · US avg: 82.8

Higher than most doctors nationally(+8.3 pts)

Typical range among reporting doctors in Washington

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

145

Unique beneficiaries

Standard volume

Prescription Recipients

135

Patients prescribed

Prescriptions Written

1,337

Total claims

Total Medicare drug cost: $170k

Percentile rankings compared against 1,521 reporting peers in Washington.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

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 Hypertension, Chronic Kidney Disease, and High Cholesterol.

Hypertension
Higher than avg (+5%)75%

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

US avg: 70.2%

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

Chronic Kidney Disease
Higher than avg (+41%)71%

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

US avg: 29.6%

↑ More patients than average (+41%) — a focus area for this doctor

High Cholesterol
Lower than avg (-4%)66%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-4%) — less common here

Diabetes
Higher than avg (+14%)48%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↑ More patients than average (+14%) — a focus area for this doctor

Ischemic Heart Disease
Higher than avg (+7%)39%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↑ More patients than average (+7%) — a focus area for this doctor

Mood Disorders
35%

Conditions affecting emotional state, including depression and bipolar disorder

Anxiety Disorders
34%

Excessive worry or fear that interferes with daily life

US avg: 34.1%
Heart Failure
Higher than avg (+11%)33%

The heart cannot pump blood efficiently enough to meet the body's needs

US avg: 22.5%

↑ More patients than average (+11%) — a focus area for this doctor

GeneralBehavioralNational avg

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

Industry Payment Transparency

$1 received from industry

1 transaction reported in 2018 ·Low tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to Fionnuala Cathryn Cormack's NPI.

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Background & Specialty

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

Career Journey
  1. 25 years in practice

    Experienced

Internal MedicineAllopathic & Osteopathic Physicians

Nephrologists treat kidney diseases including chronic kidney disease, kidney failure requiring dialysis, glomerulonephritis, kidney stones, and electrolyte disorders. They manage dialysis access and kidney transplant follow-up.

Taxonomy: 207RN0300X

Virtual Internal Medicine Care With Fionnuala Cathryn Cormack

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

Schedule a virtual visit with Fionnuala Cathryn Cormack for blood pressure monitoring, kidney care follow-ups, cholesterol management — no travel to Seattle required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Fionnuala Cathryn Cormack

NPI records show Dr. Cormack as active with telehealth listed in Seattle, WA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (206) 744-8998.

Verified across 6 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.

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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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