Active NPI
Susan E Topper, MD
- Internal Medicine Physician
- Worcester, MA
National Provider Identifier
1629039508
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 70618
- Practice address
- 630 Plantation St
Worcester, MA 01605 - Phone
- (508) 595-2505
- Fax
- (508) 854-0650
- NPI assigned
- Mar 30, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 70618 | MA | Primary |
Addresses
Primary practice location
630 Plantation St
Worcester, MA 01605
Mailing address
630 Plantation St
Wot 12TH Floor Attn Physician Services
Worcester, MA 01605
Phone (508) 368-5529
Other identifiers 4
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 3099938 | Medicaid | MA | |
| 9900166 | Other | FALLON COMMUNITY HEALTH P | |
| 3099938 | Other | WELFARE | |
| AA47554 | Other | HARVARD PILGRIM HEALTHCAR |
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 |
|---|---|---|---|
| 70618 | MA | MD | Internal Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1143676800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1629039508",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "630 PLANTATION ST",
"address_2": "WOT 12TH FLOOR ATTN PHYSICIAN SERVICES",
"city": "WORCESTER",
"state": "MA",
"postal_code": "01605",
"telephone_number": "508-368-5529",
"fax_number": "508-368-5530"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "630 PLANTATION ST",
"city": "WORCESTER",
"state": "MA",
"postal_code": "01605",
"telephone_number": "508-595-2505",
"fax_number": "508-854-0650"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TOPPER",
"first_name": "SUSAN",
"middle_name": "E",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-03-30",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MA",
"license": "70618",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "3099938",
"state": "MA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "FALLON COMMUNITY HEALTH P",
"identifier": "9900166",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "WELFARE",
"identifier": "3099938",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HARVARD PILGRIM HEALTHCAR",
"identifier": "AA47554",
"state": null
}
],
"endpoints": [],
"other_names": []
}Other providers in Worcester, MA
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.