Individual provider Active NPI

Steven J Wisniewski, PA

  • Surgical Physician Assistant
  • Newark, DE
National Provider Identifier
1598823502
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgical Physician AssistantTaxonomy code 363AS0400X
License
C5-0000561 Issued in DE
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, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
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

IdentifierTypeStateIssuer
C5-0000561OtherDEPROFESSIONAL LICENSE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DE, MD2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20070226000088 DE Practitioner - Physician Assistant 4385746148 Reassigns benefits to 2 organizations
I20230519002301 MD Practitioner - Physician Assistant 4385746148 Reassigns benefits to 2 organizations

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
Tidalhealth Specialty Care LLCGroup PAC ID 7113340845, 375 clinicians
Luminis Health Medical Group, LLCGroup PAC ID 2860447315, 540 clinicians

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

LicenseStateTypeSpecialty
C5-0000561DEMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Christiana Care Health Services, Inc CurrentSince Jul 17, 2015 Accepting new patients
Luminis Health Medical Group, LLC CurrentSince Sep 1, 2024 Accepting new patients
Christiana Care Health Services Inc CurrentSince Jul 17, 2015 Accepting new patients
Luminis Health Medical Group, LLC CurrentSince Sep 1, 2024 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.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

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

Verify at the official NPI Registry.