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

Sean James Dikdan, MD, MPH

Individual provider Internal Medicine Physician · NPI 1770017121

Sean James Dikdan, MD, MPH is a Cardiovascular Disease (Cardiology) in Newark, Delaware. Qualified in 2017, 9 years ago. Practices with Christiana Care Health Services Inc, a 1,481-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Delaware and Maryland.

Years since qualifying
9
Licensed in
DE, MD
In the registry since
2017
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

200 Hygeia Dr Ste 1360
Newark, DE 19713-2049
Phone: (302) 623-1929
Fax: (302) 368-7943
Show map & directions

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

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence C1-0028078 (DE)
Internal Medicine Physician Taxonomy 207R00000X · Licence C1-0028078 (DE)
Internal Medicine Physician Taxonomy 207R00000X · Licence D0104523 (MD)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence D0104523 (MD)

Record details

NPI number1770017121
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorYes
NPI enumeratedApril 12, 2017
Last updated in NPPESSeptember 2, 2025
Certification dateSeptember 2, 2025
Mailing address200 Hygeia Dr Ste 1360, Newark, DE 19713-2049

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesCARDIAC ELECTROPHYSIOLOGY
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Christiana Care Health Services Inc — 1481 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations12 on file with Medicare

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