Quick answers
- Does Dean L. Mittman accept Medicare assignment?
- Yes. Medicare's clinician data says Dean L. Mittman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Dean L. Mittman see?
- In 2024, CMS data shows 977 Original Medicare patients and 5,057 services for Dean L. Mittman. This counts Original Medicare only and measures volume, not quality.
- What is Dean L. Mittman's NPI number?
- 1043359292. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Dean L. Mittman, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 977 |
|---|---|
| Services billed to Medicare | 5,057 |
| Different services or procedures | 43 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)1,527 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,160 services
- Destruction of skin growth, 1-14 growths (17110)676 services
- Destruction of precancer skin growth, 1 growth (17000)578 services
- Biopsy of related skin growth, first growth (11102)263 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure73%
- Arthritis48%
- Chronic kidney disease31%
- Ischemic heart disease26%
- Diabetes25%
Hospitals where Dean L. Mittman works
Medicare's Facility Affiliation Data lists Dean L. Mittman at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Beebe Medical CenterLewes, DE · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 080007
Practice locations
Addresses where Dean L. Mittman is enrolled with Medicare (CMS data updated October 2, 2026).
- 18947 John J Williams Hwy, Unit 205Rehoboth Beach, DE 19971 (302) 644‑0964
- 424 Savannah RdLewes, DE 19958 (302) 645‑3525
Group practices
Medicare enrollment lists Dean L. Mittman as a member of this group (CMS data updated October 2, 2026).
- Beebe Physician Network Inc.310 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Delaware
Clinicians with the same Medicare primary specialty in Delaware — not a recommendation.
Other clinicians in Beebe Physician Network Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Drexel University College Of Medicine |
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1043359292 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians