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

Dr. Mariko Katherine Johnson, MD

Individual provider Internal Medicine Physician · NPI 1629279617

Dr. Mariko Katherine Johnson, MD is an Endocrinology in Honolulu, Hawaii. Graduated from Columbia University College of Physicians and Surgeons in 2005, 21 years ago. Practices with Queens University Medical Group, a 623-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Hawaii and Missouri.

Years since qualifying
21
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
HI, MO
In the registry since
2007
Specialties on file
2
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

1301 Punchbowl St
Honolulu, HI 96813-2499
Phone: (808) 691-1000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence MD-16098 (HI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2005016358 (MO)

Record details

NPI number1629279617
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 29, 2007
Last updated in NPPESAugust 21, 2021
Certification dateAugust 21, 2021

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 2005 (21 years in practice)
Group practice Queens University Medical Group — 623 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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