Fernando Ernesto Casado Castillo, M.D.
Infectious Disease Internal Medicine
Fernando Ernesto Casado Castillo is an Infectious Disease Internal Medicine specialist based in Renton, WA with over 12 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Fernando Ernesto Casado Castillo, M.D. specializes in internal medicine, serving patients in Renton, WA in group practice. With 12+ years of experience, he has been practicing in the Renton area. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and arthritis.
At a glance
- Uses generic medications more than 85% of reporting doctors in Washington
- Virtual visits available — no app or travel required
Older · 787dNPPES updated 2024-03-28 · verify NPI on CMS · Verify license at Washington Medical Commission
Contact & Location
Practice Location
4033 Talbot Rd S Ste 570, Renton, WA 98055-5700
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
MIPS Score
202369.16/100
Washington avg: 87.4 · US avg: 83.6
⚠ Lower than most doctors nationally(-14.4 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better6.9%
Washington avg: 5.7 · US avg: 5.1
⚠ Lower than most doctors nationally(+1.8 pts)
6.9% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better94.5%
Washington avg: 85.1 · US avg: 82.8
✓ Higher than most doctors nationally(+11.7 pts)
Better than 85% of reporting doctors in WashingtonHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
116
Unique beneficiaries
Standard volumePrescription Recipients
109
Patients prescribed
Prescriptions Written
290
Total claims
Total Medicare drug cost: $24k
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.
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, High Cholesterol, and Arthritis.
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
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+22%) — a focus area for this doctor
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+26%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+15%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+13%) — a focus area for this doctor
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↑ More patients than average (+20%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
Patient Reviews
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Mar 27, 2024
Self-reported via NPPES
12 years in practice
Established
Infectious disease specialists diagnose and treat complex infections including HIV/AIDS, hepatitis, tuberculosis, antibiotic-resistant infections (MRSA), post-surgical infections, and travel-related illnesses. They also provide pre-travel vaccination counseling and manage infections in immunocompromised patients.
Taxonomy: 207RI0200X
Mailing address
2551 Holiday Rd Apt E5, Coralville, IA 52241-2786
Differs from practice location
Virtual Infectious Disease Care With Fernando Ernesto Casado Castillo
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Fernando Ernesto Casado Castillo for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Renton 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 Fernando Ernesto Casado Castillo
NPI records show Dr. Casado Castillo as active with telehealth listed in Renton, WA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (425) 690-3487.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Fernando Ernesto Casado Castillo
Practice Location
4033 Talbot Rd S Ste 570, Renton, WA 98055-5700
Mailing Address
2551 Holiday Rd Apt E5, Coralville, IA 52241-2786
This is a provider directory. Contact the office directly to schedule appointments.
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