Active NPI
William Marsh, CRNA
- Anesthesiology Physician
- Newark, DE
National Provider Identifier
1801814298
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- R081112
- Practice address
- 111 Continental Dr
Suite 412
Newark, DE 19713-4306 - Phone
- (302) 709-4497
- Fax
- (302) 733-0854
- NPI assigned
- Jul 17, 2006
- Last updated
- May 11, 2026
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | R081112 | MD | Primary |
Addresses
Primary practice location
111 Continental Dr
Suite 412
Newark, DE 19713-4306
Mailing address
111 Continental Dr
Suite 412
Newark, DE 19713-4306
Phone (302) 709-4497
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Certified Registered Nurse
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Chambersburg Anesthesia Associates | Anesthesiology | Past | Accepting new patients |
Organizations & group practices 1
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.
-
- Pain Medicine (Anesthesiology) Physician
- Chambersburg, PA
- NPI 1992798516
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1153094400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778457600000",
"number": "1801814298",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "111 CONTINENTAL DR",
"address_2": "SUITE 412",
"city": "NEWARK",
"state": "DE",
"postal_code": "197134306",
"telephone_number": "302-709-4497",
"fax_number": "302-733-0854"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "111 CONTINENTAL DR",
"address_2": "SUITE 412",
"city": "NEWARK",
"state": "DE",
"postal_code": "197134306",
"telephone_number": "302-709-4497",
"fax_number": "302-733-0854"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MARSH",
"first_name": "WILLIAM",
"credential": "CRNA",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-07-17",
"last_updated": "2026-05-11",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "MD",
"license": "R081112",
"primary": true
}
],
"identifiers": [],
"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 May 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.