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

Individual provider Internal Medicine Physician · NPI 1215101910

Dr. Marian Iwamoto, MD, PHD is an Internal Medicine Physician in Rahway, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

126 E Lincoln Ave RY34-A500
Rahway, NJ 07065-0900
Phone: (732) 594-4947
Fax: (908) 823-3620
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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 25MA07432200 (NJ)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 25MA07432200 (NJ)

Record details

NPI number1215101910
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedApril 15, 2008
Last updated in NPPESApril 15, 2008

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