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

Dr. Johnson Chong-Sein Kay

Individual provider Internal Medicine Physician · NPI 1184688061

Dr. Johnson Chong-Sein Kay is a Rheumatology in Las Vegas, Nevada. Qualified in 2005, 21 years ago. Practices with Optum Medical Group II Rhodes P C, a 302-clinician group and accepts Medicare assignment. Licensed in California and Nevada.

Years since qualifying
21
Licensed in
CA, NV
In the registry since
2006
Specialties on file
4
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Practice location Address checks out

4475 S Eastern Ave Ste 2400
Las Vegas, NV 89119-7826
Phone: (702) 954-7672
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence DO 1995 (NV)
Internal Medicine Physician Taxonomy 207R00000X · Licence 20A 9805 (CA)
Rheumatology Physician Taxonomy 207RR0500X · Licence 20A 9805 (CA)
Hospitalist Physician Taxonomy 208M00000X · Licence 20A 9805 (CA)

Record details

NPI number1184688061
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 17, 2006
Last updated in NPPESJuly 29, 2022
Certification dateJuly 29, 2022

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Optum Medical Group Ii Rhodes P C — 302 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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