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

John A Donnelly, MD

Individual provider Internal Medicine Physician · NPI 1821064064

John A Donnelly, MD is an Internal Medicine in Newark, Delaware. Graduated from Michigan State University College of Osteopathic Medicine in 1997, 29 years ago. Practices with Christiana Care Health Services Inc, a 1,481-clinician group and accepts Medicare assignment. Licensed in Delaware.

Years since qualifying
29
Trained at
Michigan State University College of Osteopathic Medicine
Licensed in
DE
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

200 Hygeia Dr Unit A
Newark, DE 19713-2049
Phone: (302) 623-0100
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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 C10006226 (DE)
Pediatrics Physician Taxonomy 208000000X · Licence C10006226 (DE)

Record details

NPI number1821064064
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 27, 2006
Last updated in NPPESAugust 2, 2011
Mailing address200 Hygeia Dr, Unit A, Newark, DE 19713-2049

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1997 (29 years in practice)
Group practice Christiana Care Health Services Inc — 1481 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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