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

James E Ruether, MD

Individual provider Internal Medicine Physician · NPI 1154391928

James E Ruether, MD is an Internal Medicine in Newark, Delaware. Qualified in 1993, 33 years ago. Practices with Christiana Care Health Services Inc, a 1,481-clinician group and accepts Medicare assignment. Licensed in Delaware.

Years since qualifying
33
Licensed in
DE
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

200 Hygeia Dr Ste 2100
Newark, DE 19713-2049
Phone: (302) 623-0188
Fax: (302) 623-0117
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence C10004869 (DE)

Record details

NPI number1154391928
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 25, 2006
Last updated in NPPESJune 8, 2011
Mailing address200 Hygeia Drive, Suite 2100, Newark, DE 19713-2049

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGERIATRIC MEDICINE, HOSPITALIST
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Christiana Care Health Services Inc — 1481 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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