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

Dr. Ismanie Guillaume, MD

Individual provider Internal Medicine Physician · NPI 1326571126

Dr. Ismanie Guillaume, MD is an Internal Medicine in Newark, Delaware. Graduated from George Washington University School of Medicine in 2017, 9 years ago. Practices with Union Hospital of Cecil County, a 283-clinician group and accepts Medicare assignment. Licensed in Delaware.

Years since qualifying
9
Trained at
George Washington University School of Medicine
Licensed in
DE
In the registry since
2017
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

4755 Ogletown Stanton Rd
Newark, DE 19718-2200
Phone: (908) 977-7695
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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 C1-0024308 (DE)
Pediatrics Physician Taxonomy 208000000X · Licence C1-0024308 (DE)

Record details

NPI number1326571126
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 7, 2017
Last updated in NPPESJune 25, 2021
Certification dateJune 25, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Union Hospital Of Cecil County — 283 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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