Active NPI
Mary Elizabeth Sabasteanski, PA-C
- Medical Physician Assistant
- Chestertown, MD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Medical Physician Assistant
- License
- C5-0012393
- Practice address
- 100 Brown St
Chestertown, MD 21620-1435 - Phone
- (410) 778-3300
- NPI assigned
- Sep 28, 2012
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Medical Physician Assistant | 363AM0700X | C5-0012393 | DE | Primary |
| Physician Assistant | 363A00000X | C0004895 | MD |
Addresses
Primary practice location
100 Brown St
Chestertown, MD 21620-1435
Mailing address
23099 Raleigh Rd
Chestertown, MD 21620-3852
Other names 1
- Mary Elizabeth Smith
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MD, DE
- 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, 2012
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
700 Foulk Rd
Wilmington, DE 19803-3708
Phone (302) 764-0181
810 S Broom St
Wilmington, DE 19805-4245
Phone (302) 652-1181
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| C0004895 | MD | MD | Physician Assistant |
| C5-0012393 | DE | MD | Medical Physician Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Emergency Medicine Associates, PA | Current | Accepting new patients | |
| CS Pacs 3 Northeast, LLC | Current | Accepting new patients | |
| Chester River Health Center | Current | Accepting new patients | |
| Delaware Post Acute Medical Services 1 | Current | Accepting new patients | |
| De Pacs 2 PA | Current | Accepting new patients | |
| Emergency Medicine Associates P.a., P.C. | Current | Accepting new patients |
Locations
700 Foulk Rd
Wilmington, DE 19803
Phone (302) 328-1582
810 S Broom St
Wilmington, DE 19805
Phone (302) 234-5420
100 Brown St
Chestertown, MD 21620
Phone (410) 778-3300
100 Hospital Rd
Prnc Frederck, MD 20678
Phone (410) 414-4791
200 Memorial Ave
Westminster, MD 21157
Phone (410) 848-3000
Interoperability endpoints
- msabasteanski547861@direct.umm.edu
Organizations & group practices 9
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.
-
- Hospitalist Physician
- Hockessin, DE
- NPI 1457837981
-
- Hospitalist Physician
- Wilmington, DE
- NPI 1801325717
-
dba University of Maryland Shore Medical Center at Chestertown
- General Acute Care Hospital
- Chestertown, MD
- NPI 1679536809
-
- Emergency Medicine Physician
- Bel Air, MD
- NPI 1285854026
-
- Emergency Medicine Physician
- Falls Church, VA
- NPI 1134117393
MD
-
dba Chestertown Vascular Services
- Clinic/Center
- Chestertown, MD
- NPI 1114290293
-
- Emergency Medicine Physician
- Cambridge, MD
- NPI 1083465033
-
- Internal Medicine Physician
- Culpeper, VA
- NPI 1881559102
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba UM Shore Medical Center at Dorchester
- General Acute Care Hospital
- Cambridge, MD
- NPI 1194784751
-
dba UM Shore Medical Center at Easton
- General Acute Care Hospital
- Easton, MD
- NPI 1669431219
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1348790400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1767657600000",
"number": "1497006548",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "23099 RALEIGH RD",
"city": "CHESTERTOWN",
"state": "MD",
"postal_code": "216203852"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "100 BROWN ST",
"city": "CHESTERTOWN",
"state": "MD",
"postal_code": "216201435",
"telephone_number": "410-778-3300"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SABASTEANSKI",
"first_name": "MARY",
"middle_name": "ELIZABETH",
"credential": "PA-C",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2012-09-28",
"last_updated": "2026-01-06",
"certification_date": "2026-01-06",
"status": "A"
},
"taxonomies": [
{
"code": "363AM0700X",
"taxonomy_group": "",
"desc": "Physician Assistant, Medical",
"state": "DE",
"license": "C5-0012393",
"primary": true
},
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "MD",
"license": "C0004895",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "MARY",
"last_name": "SMITH",
"middle_name": "ELIZABETH",
"credential": "PA-C",
"code": "5",
"type": "Other Name"
}
]
}
Other providers in Chestertown, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 6, 2026; 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.