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

Dr. Thomas Keith Sheehan II, DO

Individual provider Internal Medicine Physician · NPI 1821477324

Dr. Thomas Keith Sheehan II, DO is an Internal Medicine in Newark, Delaware. Graduated from Lake Erie College of Osteopathic Medicine, Erie in 2015, 11 years ago. Practices with Christiana Care Health Services Inc, a 1,481-clinician group and accepts Medicare assignment. Licensed in Delaware.

Years since qualifying
11
Trained at
Lake Erie College of Osteopathic Medicine, Erie
Licensed in
DE
In the registry since
2015
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

4755 Ogletown Stanton Rd Ste 5A43
Newark, DE 19718-2200
Phone: (302) 623-0188
Fax: (302) 733-5640
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 C2-0012778 (DE)

Record details

NPI number1821477324
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 29, 2015
Last updated in NPPESSeptember 10, 2018
Mailing address200 Hygeia Drive, Cchs Physician Contracting, Suite 2300, Newark, DE 19713-2049

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolLAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated 2015 (11 years in practice)
Group practice Christiana Care Health Services Inc — 1481 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Newark