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

Janika Camilla Kemppainen, MD

Individual provider Internal Medicine Physician · NPI 1922740059

Janika Camilla Kemppainen, MD is a Hospitalist in Stony Brook, New York. Qualified in 2022, 4 years ago. Practices with Stony Brook Internists University Faculty Practice Corporation, a 428-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
4
Licensed in
NY
In the registry since
2022
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

101 Nicolls Rd
Stony Brook, NY 11794-0001
Phone: (631) 689-8333
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 337611 (NY)

Record details

NPI number1922740059
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 9, 2022
Last updated in NPPESJune 22, 2025
Certification dateJune 22, 2025

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Stony Brook Internists University Faculty Practice Corporation — 428 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Stony Brook