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

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1861982803

Royson Valliyil, DO is a Critical Care Medicine (Internal Medicine) Physician in Cleveland, Ohio. Practices as a sole proprietor and works from 2 locations. Licensed in Ohio.

Licensed in
OH
In the registry since
2018
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

9500 Euclid Ave
Cleveland, OH 44195-0001
Phone: (216) 986-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 20000 Harvard Road, Warrensville Heights, OH 44122 — (216) 491-6000

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 34.015249 (OH)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 34.015249 (OH)

Record details

NPI number1861982803
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedMay 15, 2018
Last updated in NPPESJuly 7, 2021
Certification dateJuly 7, 2021
Mailing address9500 Euclid Ave, Cleveland, OH 44195-0001

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