Active NPI
William Travis Berg, MD
- Urology Physician
- Stony Brook, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Urology Physician
- License
- 298949
- Practice address
- 101 Nicolls Road
HSC T9-040
Stony Brook, NY 11794 - Phone
- (631) 444-1910
- NPI assigned
- Apr 27, 2013
- 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 |
|---|---|---|---|---|
| Urology Physician | 208800000X | MD16713 | RI | |
| Urology Physician | 208800000X | 298949 | NY | Primary |
Addresses
Primary practice location
101 Nicolls Road
HSC T9-040
Stony Brook, NY 11794
Mailing address
PO Box 1559
Stony Brook, NY 11790-0989
Phone (914) 393-3355
Other practice location 1
2 Dudley St
Providence, RI 02905-3236
Phone (401) 444-0710
Other practice location 2
825 Chalkstone Ave
Providence, RI 02908-4728
Phone (401) 456-2000
Other practice location 3
200 High Service Ave
North Providence, RI 02904-5113
Phone (401) 456-3000
Other practice location 4
Stony Brook Medicine
HSC 19-030
Stony Brook, NY 11794-8191
Phone (631) 444-1791
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | WILLIAM.BERG@DIRECT.STONYBROOKMEDICINE.EDU |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NY, PA, RI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Urology
- Education
- New York Medical College, 2013
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
575 N River St
Wilkes Barre, PA 18702-2634
Phone (570) 552-8938
Hospital & facility affiliations
- Suny/Stony Brook University Hospital
- Wilkes-Barre General Hospital
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Hernia repair - groin (open) | 1-10 |
| Prostate resection | 11 |
| Melanoma (skin cancer) excision | 1-10 |
| Removal of tissue | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD16713 | RI | MD | Urology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| New York University | Current | Accepting new patients | |
| Prospect Chartercare Physicians, LLC | Urology | Current | Accepting new patients |
| New York University | Current | Accepting new patients | |
| Commonwealth Physician Network LLC | Current | Accepting new patients |
Locations
4 E Main St
Nanticoke, PA 18634
Phone (570) 258-3939
575 N River St
Wilkes Barre Township, PA 18702
Phone (570) 283-3222
1681 Cranston St
Cranston, RI 02920
Phone (401) 944-6889
1 Office Pkwy
East Providence, RI 02914
Phone (401) 270-7110
825 Chalkstone Ave
Providence, RI 02908
Phone (401) 456-2000
Networks
- Healthfirst Medicare Network H9678
- Healthfirst Medicare Network H1722
- Healthfirst Medicare Network H5989
- Healthfirst Medicare Network H3359
Interoperability endpoints
- william.berg@direct.stonybrookmedicine.edu
Organizations & group practices 4
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.
-
- Internal Medicine Physician
- Kingston, PA
- NPI 1003238635
-
- Internal Medicine Physician
- Cranston, RI
- NPI 1629493135
Urology
-
- Physical Medicine & Rehabilitation Physician
- Boynton Beach, FL
- NPI 1104787613
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Southampton, NY
- NPI 1033224704
-
- General Acute Care Hospital
- Southampton, NY
- NPI 1225507114
-
- General Acute Care Hospital
- Greenport, NY
- NPI 1881690691
-
- General Acute Care Hospital
- Stony Brook, NY
- NPI 1972523348
-
- General Acute Care Hospital
- Wilkes Barre, PA
- NPI 1255585303
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1367020800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782432000000",
"number": "1184068520",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 1559",
"city": "STONY BROOK",
"state": "NY",
"postal_code": "117900989",
"telephone_number": "914-393-3355"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "101 NICOLLS ROAD",
"address_2": "HSC T9-040",
"city": "STONY BROOK",
"state": "NY",
"postal_code": "11794",
"telephone_number": "631-444-1910"
}
],
"practiceLocations": [
{
"address_1": "2 Dudley St",
"address_purpose": "LOCATION",
"city": "Providence",
"state": "RI",
"postal_code": "029053236",
"country_code": "US",
"telephone_number": "401-444-0710",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "825 Chalkstone Ave",
"address_purpose": "LOCATION",
"city": "Providence",
"state": "RI",
"postal_code": "029084728",
"country_code": "US",
"telephone_number": "401-456-2000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "200 High Service Ave",
"address_purpose": "LOCATION",
"city": "North Providence",
"state": "RI",
"postal_code": "029045113",
"country_code": "US",
"telephone_number": "401-456-3000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "Stony Brook Medicine",
"address_2": "HSC 19-030",
"address_purpose": "LOCATION",
"city": "Stony Brook",
"state": "NY",
"postal_code": "117948191",
"country_code": "US",
"telephone_number": "631-444-1791",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "BERG",
"first_name": "WILLIAM",
"middle_name": "TRAVIS",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2013-04-27",
"last_updated": "2026-06-26",
"certification_date": "2026-06-26",
"status": "A"
},
"taxonomies": [
{
"code": "208800000X",
"taxonomy_group": "",
"desc": "Urology",
"state": "RI",
"license": "MD16713",
"primary": false
},
{
"code": "208800000X",
"taxonomy_group": "",
"desc": "Urology",
"state": "NY",
"license": "298949",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "WILLIAM.BERG@DIRECT.STONYBROOKMEDICINE.EDU",
"affiliation": "N",
"address_1": "101 Nicolls Road",
"address_2": "HSC T9-040",
"city": "Stony Brook",
"state": "NY",
"country_code": "US",
"postal_code": "11794",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Stony Brook, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 26, 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.