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

Chacko John Sr.

Individual provider Registered Respiratory Therapist · NPI 1457134041

Chacko John Sr. is a Registered Respiratory Therapist in Washington, District of Columbia. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2023

Practice location Address checks out

50 Irvin St NW
Washington, DC 20420-0001
Phone: (202) 745-8000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Respiratory Therapist (primary) Taxonomy 227900000X · Licence L0002207 (MD)

Record details

NPI number1457134041
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedAugust 16, 2023
Last updated in NPPESAugust 16, 2023
Certification dateAugust 16, 2023
Mailing address50 Irvin Street, Washington, DC 20420-0001

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