Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Fernando Ernesto Casado Castillo, MD

Individual provider Internal Medicine Physician · NPI 1528411774

Fernando Ernesto Casado Castillo, MD is an Infectious Disease in Renton, Washington. Qualified in 2014, 12 years ago. Practices with St Vincent Hospital, a 332-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Iowa, Washington and Wisconsin.

Years since qualifying
12
Licensed in
IA, WA, WI
In the registry since
2016
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4033 Talbot Rd S Ste 570
Renton, WA 98055-5700
Phone: (425) 690-3487
Fax: (425) 690-9087
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 200 Hawkins Dr, Iowa City, IA 52242-1009 — (319) 356-1616
  • 1818 N Meade St, Appleton, WI 54911-3454 — (920) 735-7645

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence MD61417522 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD61417522 (WA)
Infectious Disease Physician Taxonomy 207RI0200X · Licence MD-45957 (IA)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 74676 (WI)

Record details

NPI number1528411774
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 22, 2016
Last updated in NPPESMarch 28, 2024
Certification dateMarch 28, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice St Vincent Hospital — 332 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations8 on file with Medicare

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