Mark Case, M.D.
NPI 1730137019 · Family Medicine Physician · Middletown, DE
Mark Case, M.D. is a Family Medicine Physician provider in Middletown, DE (NPI 1730137019).
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
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rsvpref3 Antigen/As01e/Pfbrand: Arexvy | 1,223 | 1,218 |
| Varicella-Zoster Ge/As01b/Pfbrand: Shingrix | 1,024 | 743 |
| Diphth,pertuss(acell),tet Vacbrand: Boostrix Tdap | 362 | 360 |
| Atorvastatin Calcium | 213 | 63 |
| Rsv Vacc, Pref a and Pref B/Pfbrand: Abrysvo | 178 | 178 |
| Amlodipine Besylate | 140 | 44 |
Practice location
Mailing address
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
Frequently asked questions
- What is Mark Case's NPI number?
- Mark Case's National Provider Identifier (NPI) is 1730137019, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Case's specialty?
- Mark Case is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Case located?
- Mark Case's practice location on file with NPPES is 124 Sleepy Hollow Dr Ste 200, Middletown, DE 19709-5838.
- What is Mark Case's phone number?
- The practice phone number listed in the NPPES registry for Mark Case is (302) 449-1710.
- Is Mark Case's NPI active?
- Yes — Mark Case's NPI (1730137019) is active in the NPPES registry as of the last update on 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.