Active NPI
Steven J Wisniewski, PA
- Surgical Physician Assistant
- Newark, DE
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgical Physician Assistant
- License
- C5-0000561
- Practice address
- 4735 Ogletown Stanton Rd
Map II, Suites 1201 & 1205
Newark, DE 19713-2072 - Phone
- (302) 733-1980
- Fax
- (302) 733-1986
- NPI assigned
- Dec 4, 2006
- Last updated
- Sep 11, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | C5-0000561 | DE | |
| Surgical Physician Assistant | 363AS0400X | C5-0000561 | DE | Primary |
Addresses
Primary practice location
4735 Ogletown Stanton Rd
Map II, Suites 1201 & 1205
Newark, DE 19713-2072
Mailing address
200 Hygeia Dr
CCHS Inc., Physician Contracting, Suite 2502
Newark, DE 19713-2049
Phone (302) 623-7362
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| C5-0000561 | Other | DE | PROFESSIONAL LICENSE |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in DE, MD
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2005
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
100 E Carroll St
Salisbury, MD 21801-5422
2001 Medical Pkwy
Annapolis, MD 21401-3280
Phone (443) 481-1000
2003 Medical Pkwy
Annapolis, MD 21401-3081
2003 Medical Pkwy Wayson Pavillion
Advanced Internal Medicine Residenc
Annapolis, MD 21401-3081
Phone (443) 951-4286
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| C5-0000561 | DE | MD | Physician Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Christiana Care Health Services, Inc | Current | Accepting new patients | |
| Luminis Health Medical Group, LLC | Current | Accepting new patients | |
| Christiana Care Health Services Inc | Current | Accepting new patients | |
| Luminis Health Medical Group, LLC | Current | Accepting new patients | |
| Tidalhealth Specialty Care, LLC | Past | Accepting new patients |
Locations
200 Hygeia Dr
Ste 2502
Newark, DE 19713
Phone (302) 623-7362
4735 Ogletown Stanton Rd
Ste 1201
Newark, DE 19713
Phone (302) 623-4330
4755 Ogletown Stanton Rd
#1E50
Newark, DE 19718
Phone (302) 733-1980
1401 Foulk Rd
Ste 100B
Wilmington, DE 19803
Phone (302) 320-9440
2003 Medical Pkwy
Ste 301
Annapolis, MD 21401
Phone (443) 481-3366
Organizations & group practices 8
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba Luminis Health Maternal and Fetal Medicine
- Maternal & Fetal Medicine Physician
- Annapolis, MD
- NPI 1073580205
-
dba CCHS Pmri
- Endocrinology, Diabetes & Metabolism Physician
- Wilmington, DE
- NPI 1770568107
-
dba CCHS Cardiac Surgery
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- Newark, DE
- NPI 1275615643
-
dba CCHS Concord - Neurology
- Neurology Physician
- Chadds Ford, PA
- NPI 1881228484
-
dba LH Primary Care North Hanson
- Internal Medicine Physician
- Bowie, MD
- NPI 1720835010
-
dba Anne Arundel Medical Group Behavioral Health Specialists
- Psychologist
- Annapolis, MD
- NPI 1952652711
-
- Adult Mental Health Clinic/Center
- Salisbury, MD
- NPI 1962027094
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Seaford, DE
- NPI 1245214477
-
dba Conexus Laboratories Inc.
- Clinical Medical Laboratory
- Annapolis, MD
- NPI 1356885032
Hospital
-
- General Acute Care Hospital
- Annapolis, MD
- NPI 1477517225
-
- General Acute Care Hospital
- Salisbury, MD
- NPI 1780689463
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1165190400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1598823502",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "200 HYGEIA DR",
"address_2": "CCHS INC., PHYSICIAN CONTRACTING, SUITE 2502",
"city": "NEWARK",
"state": "DE",
"postal_code": "197132049",
"telephone_number": "302-623-7362",
"fax_number": "302-623-7374"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4735 OGLETOWN STANTON RD",
"address_2": "MAP II, SUITES 1201 & 1205",
"city": "NEWARK",
"state": "DE",
"postal_code": "197132072",
"telephone_number": "302-733-1980",
"fax_number": "302-733-1986"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WISNIEWSKI",
"first_name": "STEVEN",
"middle_name": "J",
"credential": "PA",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-12-04",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "DE",
"license": "C5-0000561",
"primary": false
},
{
"code": "363AS0400X",
"taxonomy_group": "",
"desc": "Physician Assistant, Surgical",
"state": "DE",
"license": "C5-0000561",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "PROFESSIONAL LICENSE",
"identifier": "C5-0000561",
"state": "DE"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Newark, DE
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.