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

Individual provider Internal Medicine Physician · NPI 1528129475

Dr. Joanna Denis, MD is an Internal Medicine in Parsippany, New Jersey. Qualified in 1990, 36 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
36
Licensed in
NJ
In the registry since
2006
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

415 Parsippany Rd
Parsippany, NJ 07054-5192
Phone: (973) 884-0666
Fax: (973) 560-9166
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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 25MA06251100 (NJ)

Record details

NPI number1528129475
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 13, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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