Quick answers
- Which hospitals does Marc C. Okolowicz work at?
- Medicare's official clinician data lists Marc C. Okolowicz at 2 hospitals: Bayhealth Hospital, Sussex Campus and The Johns Hopkins Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marc C. Okolowicz see patients?
- Medicare's clinician data lists 6 practice locations, including Milford, DE, Baltimore, MD and Middle River, MD. Call before your visit to confirm the address.
- What is Marc C. Okolowicz's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Marc C. Okolowicz accept Medicare assignment?
- Medicare's clinician data says Marc C. Okolowicz may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Marc C. Okolowicz?
- (302) 430-5738, as listed in official Medicare / NPI Registry data.
- What is Marc C. Okolowicz's NPI number?
- 1215334487. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marc C. Okolowicz works
Medicare's Facility Affiliation Data lists Marc C. Okolowicz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bayhealth Hospital, Sussex CampusMilford, DE · Acute Care Hospital · CCN 080009
- The Johns Hopkins HospitalBaltimore, MD · Acute Care Hospital · CCN 210009
Practice locations
Addresses where Marc C. Okolowicz is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 100 Wellness WayMilford, DE 19963 (302) 430‑5738
- 600 N Wolf StBaltimore, MD 21287
- 600 N Wolfe St, Blalock 266Baltimore, MD 21287 (410) 502‑4340
- 6201 Greenleigh AveMiddle River, MD 21220
- 640 S State StDover, DE 19901 (302) 674‑4700
Group practices
Medicare enrollment lists Marc C. Okolowicz as a member of these groups (CMS data updated 2026-10-02).
- Johns Hopkins University2,909 clinicians in the group
- Northstar Anesthesia of Delaware LLC117 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Delaware →
Other nurse anesthetists in Milford
Clinicians with the same Medicare primary specialty in Milford, DE — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1215334487 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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