Active NPI
Gregory T Williams, MD
- Infectious Disease Physician
- Worcester, MA
National Provider Identifier
1043288848
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Infectious Disease Physician
- License
- 79617
- Practice address
- 123 Summer Street
Suite 220 S
Worcester, MA 01608 - Phone
- (508) 368-3122
- Fax
- (508) 368-3121
- NPI assigned
- Mar 9, 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 79617 | MA | |
| Infectious Disease Physician | 207RI0200X | 79617 | MA | Primary |
Addresses
Primary practice location
123 Summer Street
Suite 220 S
Worcester, MA 01608
Mailing address
630 Plantation St
Worcester, MA 01605
Phone (508) 368-3122
Other identifiers 16
| Identifier | Type | State | Issuer |
|---|---|---|---|
| AA2844 | Other | HARVARD PILGRIM HEALTHCAR | |
| J14908 | Other | BLUE SHIELD IDEMNITY | |
| J14908 | Other | BLUE SHIELD HMO BLUE | |
| 042472266 | Other | HEALTHCARE VALUE MANAGEME | |
| 3130711 | Medicaid | MA | |
| 784106 | Other | MVP HEALTH CARE | |
| 042472266 | Other | PRIVATE HEALTHCARE SYSTEM | |
| 1061518 | Other | FIRST HEALTH | |
| 26881 | Other | HEALTHY START | |
| 042472266 | Other | ONE HEALTH PLAN | |
| J14908 | Other | BLUE CARE ELECT | |
| 26881 | Other | CHILDRENS MEDICAL SECURIT | |
| 5218590 | Other | CIGNA HEALTH PLAN | |
| 91119 | Other | FALLON COMMUNITY HEALTH P | |
| 5237703 | Other | AETNA US HEALTHCARE | |
| 9200061 | Other | EVERCARE |
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
Interoperability endpoints
- gregory.williams.npi1043288848.reliant@direct.optumcare.masshiway.net
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1141862400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1236124800000",
"number": "1043288848",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "630 PLANTATION ST",
"city": "WORCESTER",
"state": "MA",
"postal_code": "01605",
"telephone_number": "508-368-3122",
"fax_number": "508-368-3121"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "123 SUMMER STREET",
"address_2": "SUITE 220 S",
"city": "WORCESTER",
"state": "MA",
"postal_code": "01608",
"telephone_number": "508-368-3122",
"fax_number": "508-368-3121"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WILLIAMS",
"first_name": "GREGORY",
"middle_name": "T",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-03-09",
"last_updated": "2009-03-04",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MA",
"license": "79617",
"primary": false
},
{
"code": "207RI0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Infectious Disease",
"state": "MA",
"license": "79617",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HARVARD PILGRIM HEALTHCAR",
"identifier": "AA2844",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE SHIELD IDEMNITY",
"identifier": "J14908",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE SHIELD HMO BLUE",
"identifier": "J14908",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HEALTHCARE VALUE MANAGEME",
"identifier": "042472266",
"state": null
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "3130711",
"state": "MA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MVP HEALTH CARE",
"identifier": "784106",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "PRIVATE HEALTHCARE SYSTEM",
"identifier": "042472266",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "FIRST HEALTH",
"identifier": "1061518",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HEALTHY START",
"identifier": "26881",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "ONE HEALTH PLAN",
"identifier": "042472266",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE CARE ELECT",
"identifier": "J14908",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CHILDRENS MEDICAL SECURIT",
"identifier": "26881",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CIGNA HEALTH PLAN",
"identifier": "5218590",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "FALLON COMMUNITY HEALTH P",
"identifier": "91119",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "AETNA US HEALTHCARE",
"identifier": "5237703",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "EVERCARE",
"identifier": "9200061",
"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 Mar 4, 2009; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.