IndividualActive
Mark Case, M.D.
NPI 1730137019 · Family Medicine Physician · Middletown, DE
Provider details
- NPI number
- 1730137019
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- C1-0004730 (DE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(95/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
124 Sleepy Hollow Dr Ste 200
Middletown, DE 19709-5838
Phone: (302) 449-1710
Fax: (302) 449-1717
Street-level locationGet directions
Mailing address
124 Sleepy Hollow Dr Ste 200
Middletown, DE 19709-5838
Additional practice locations (1)
- 272 Carter DrSuite 200Middletown, DE 19709-5852Phone: (302) 449-1710Fax: (302) 449-1717
Registry dates
- Enumerated
- 2006-05-05
- Last updated
- 2020-03-10
- Certified
- 2020-03-10
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.