Individual provider Active NPI

Mary McKay Dittler, PA-C

  • Physician Assistant
  • Newark, DE
National Provider Identifier
1144730342
Registry record updated Aug 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
C5-0012109 Issued in DE
Practice address
4755 Ogletown Stanton Road
Suite 5A43
Newark, DE 19718-2200
Phone
(302) 623-0188
Fax
(302) 733-5640
NPI assigned
Oct 3, 2017
Sex
Female
Sole proprietor
No

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

4000 Nexus Dr
Wilmington, DE 19803-3000

4755 Ogletown Stanton Rd
Newark, DE 19718-2200

Merit-based Incentive Payment System (MIPS)

Final score
82.34 of 100Reported as group
Quality
67.9
Promoting interoperability
100
Improvement activities
40
Cost
69.47

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DE2 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
I20181105002493 MD Practitioner - Physician Assistant 5395098537 Reassigns benefits to 2 organizations
I20250903001799 DE Practitioner - Physician Assistant 5395098537 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Christiana Care Health Services Inc CurrentSince Aug 18, 2025 Accepting new patients
Union Hospital of Cecil County CurrentSince Aug 18, 2025 Accepting new patients
Christiana Care Health Services Inc CurrentSince Aug 18, 2025 Accepting new patients
Union Hospital of Cecil County, Inc. CurrentSince Aug 18, 2025 Accepting new patients
Medstar Medical Group II LLC Past Accepting new patients

Locations

4755 Ogletown Stanton Rd
Ste 5A43
Newark, DE 19718
Phone (302) 623-0188

4000 Nexus Dr
Ste E3
Wilmington, DE 19803

106 Bow St
Elkton, MD 21921
Phone (410) 298-2000

NPPES NPI Registry

Updated by the provider on Aug 19, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Physician Assistant 363AM0700X C0006603 MD
Physician Assistant 363A00000X C5-0012109 DE Primary

Addresses

Primary practice location

4755 Ogletown Stanton Road
Suite 5A43
Newark, DE 19718-2200

Mailing address

3517 Gough St
Baltimore, MD 21224-2310

Other practice location 1

5601 Loch Raven Blvd
Baltimore, MD 21239-2945
Phone (855) 633-5655

NPI Registry JSON

The complete record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1506988800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755561600000",
    "number": "1144730342",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3517 GOUGH ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212242310"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4755 OGLETOWN STANTON ROAD",
            "address_2": "SUITE 5A43",
            "city": "NEWARK",
            "state": "DE",
            "postal_code": "197182200",
            "telephone_number": "302-623-0188",
            "fax_number": "302-733-5640"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5601 Loch Raven Blvd",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212392945",
            "country_code": "US",
            "telephone_number": "855-633-5655",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DITTLER",
        "first_name": "MARY",
        "middle_name": "MCKAY",
        "name_prefix": "Mrs.",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-10-03",
        "last_updated": "2025-08-19",
        "certification_date": "2025-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "MD",
            "license": "C0006603",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "DE",
            "license": "C5-0012109",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Newark, DE

Sources for this page

Verify at the official NPI Registry.