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

Dr. Mark Case, MD

Individual provider Family Medicine Physician · NPI 1730137019

Dr. Mark Case, MD is a Family Medicine Physician in Middletown, Delaware. Practices as a sole proprietor and works from 2 locations. Licensed in Delaware.

Licensed in
DE
In the registry since
2006
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

124 Sleepy Hollow Dr Ste 200
Middletown, DE 19709-5838
Phone: (302) 449-1710
Fax: (302) 449-1717
Show map & directions

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

Additional practice locations (1)

  • 272 Carter Dr, Middletown, DE 19709-5852 — (302) 449-1710

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence C1-0004730 (DE)

Record details

NPI number1730137019
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 5, 2006
Last updated in NPPESMarch 10, 2020
Certification dateMarch 10, 2020
Mailing address124 Sleepy Hollow Dr Ste 200, Middletown, DE 19709-5838

Other providers in Middletown