Active NPI
William Robert Somers, MD
- Hepatology Physician
- Williamsport, PA
National Provider Identifier
1497716203
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hepatology Physician
- License
- MD018724E
- Practice address
- 1100 Grampian Blvd
Divine Providence Hospital
Williamsport, PA 17701-1909 - Phone
- (570) 326-8840
- Fax
- (570) 326-8843
- NPI assigned
- Mar 31, 2006
- 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 |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | MD018724E | PA | |
| Hepatology Physician | 207RI0008X | MD018724E | PA | Primary |
Addresses
Primary practice location
1100 Grampian Blvd
Divine Providence Hospital
Williamsport, PA 17701-1909
Mailing address
1201 Grampian Blvd
PO Box 3127
Williamsport, PA 17701-1900
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
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD018724E | PA | MD | Gastroenterology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Susquehanna Physician Services | Past | Accepting new patients | |
| Susquehanna Physician Services | Hepatology | Past | Accepting new patients |
| Susquehanna Gastroenterology Associates, LTD | Gastroenterology | Past | Accepting new patients |
Organizations & group practices 3
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.
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- Montoursville, PA
- NPI 1659302743
Gastroenterology
-
- Radiology Clinic/Center
- Mansfield, PA
- NPI 1073361564
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1143763200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1497716203",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1201 GRAMPIAN BLVD",
"address_2": "PO BOX 3127",
"city": "WILLIAMSPORT",
"state": "PA",
"postal_code": "177011900"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1100 GRAMPIAN BLVD",
"address_2": "DIVINE PROVIDENCE HOSPITAL",
"city": "WILLIAMSPORT",
"state": "PA",
"postal_code": "177011909",
"telephone_number": "570-326-8840",
"fax_number": "570-326-8843"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SOMERS",
"first_name": "WILLIAM",
"middle_name": "ROBERT",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-03-31",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "PA",
"license": "MD018724E",
"primary": false
},
{
"code": "207RI0008X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hepatology",
"state": "PA",
"license": "MD018724E",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Williamsport, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.