NPIMap

Individual provider Active NPI

Maurine J. Williams, MD

  • Emergency Medicine Physician
  • Worcester, MA
National Provider Identifier
1669766879
Registry record updated Dec 1, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
260863 Issued in MA
Practice address
55 Lake Ave N
Worcester, MA 01655-0002
Phone
(508) 421-1400
Fax
(508) 421-1490
NPI assigned
Jun 6, 2011
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 1, 2020

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 260863 MA Primary

Addresses

Primary practice location

55 Lake Ave N
Worcester, MA 01655-0002

Mailing address

PO Box 415348
Boston, MA 02241-5348

Other practice location 1

119 Belmont St
Worcester, MA 01605-2903
Phone (508) 421-1400

Other practice location 2

201 Highland St
Clinton, MA 01510-1037
Phone (508) 421-1400

Other practice location 3

60 Hospital Rd
Leominster, MA 01453-2205
Phone (508) 421-1400

Other practice location 4

510 N Main St
Leominster, MA 01453-1814
Phone (508) 421-1400

Other practice location 5

157 Union St
Marlborough, MA 01752-1228
Phone (508) 421-1400

Other identifiers 1

IdentifierTypeStateIssuer
110100636AMedicaidMA

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address mwilliams34417@UmassMemorial.direct-ci.com
FHIR URL https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, VT2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20141015001058 MA Practitioner - Emergency Medicine 7012138175 Reassigns benefits to 8 organizations
I20251218000436 VT Practitioner - Emergency Medicine 7012138175 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
University of Louisville School of Medicine, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Internal Medical Associates-EbnhcGroup PAC ID 6103814371, 239 clinicians
Bluewater Emergency Partners of Brunswick, LLCGroup PAC ID 3375774227, 151 clinicians
Umass Memorial Medical Group IncGroup PAC ID 4284539891, 2,494 clinicians

Practice addresses (Care Compare)

10 Gove St
East Boston, MA 02128-1920
Phone (617) 569-5800

17 Belmont Ave
Brattleboro, VT 05301-3498
Phone (802) 257-0341

55 Lake Ave N
Worcester, MA 01655-0002
Phone (508) 334-1000

Hospital & facility affiliations

  • Umass Memorial Healthalliance Hospitals Hospital, Leominster, MA, CCN 220001
  • Brattleboro Memorial Hospital Hospital, Brattleboro, VT, CCN 470011
  • Nantucket Cottage Hospital Hospital, Nantucket, MA, CCN 220177
  • Boston Medical Center Hospital, Boston, MA, CCN 220031

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as apm
Quality
82.98
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
260863MAMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Umass Memorial Medical Group Inc Emergency Medicine CurrentSince Apr 1, 2020 Accepting new patients
Nantucket Cottage Hospital Current Accepting new patients
Internal Medical Associates-Ebnhc CurrentSince May 1, 2025 Accepting new patients
Henry Heywood Memorial Hospital Emergency Medicine CurrentSince Jan 1, 2023 Accepting new patients
Umass Memorial Medical Group, Inc. CurrentSince Apr 1, 2020 Accepting new patients
Nantucket Physicians Organization CurrentSince Nov 11, 2025 Accepting new patients
Henry Heywood Memorial Hospital CurrentSince Jan 1, 2023 Accepting new patients
Steward Emergency Physicians, Inc Emergency Medicine CurrentSince Jun 1, 2020 Accepting new patients
Athol Memorial Hospital Incorporated Emergency Medicine CurrentSince Jan 1, 2023 Accepting new patients
Bluewater Emergency Partners of Brunswick, LLC Emergency Medicine CurrentSince Dec 1, 2025 Accepting new patients

Locations

2033 Main St
Athol, MA 01331
Phone (978) 249-1295

200 Groton Rd
Ayer, MA 01432
Phone (978) 784-9000

201 Highland St
Clinton, MA 01510
Phone (508) 421-1400

10 Grove St
East Boston, MA 02128
Phone (617) 569-5800

242 Green St
Gardner, MA 01440
Phone (978) 258-4734

510 N Main St
Leominster, MA 01453
Phone (508) 421-1400

60 Hospital Rd
Leominster, MA 01453
Phone (978) 466-2000

157 Union St
Marlborough, MA 01752
Phone (508) 481-5000

57 Prospect St
Nantucket, MA 02554
Phone (508) 228-1200

88 Washington St
Taunton, MA 02780
Phone (508) 828-7000

55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862

119 Belmont St
Worcester, MA 01605
Phone (508) 334-6345

17 Belmont Ave
Brattleboro, VT 05301
Phone (802) 257-8360

25 Ridgewood Rd
Springfield, VT 05156
Phone (780) 281-9593

Interoperability endpoints

  • Direct secure messaging: maurine.williams.npi1669766879.reliant@direct.optumcare.masshiway.net
  • Direct secure messaging: mwilliams34417@umassmemorial.direct-ci.com

Organizations & group practices 10

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.

Hospital & facility affiliations 12

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1307318400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1606780800000",
    "number": "1669766879",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 415348",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022415348"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 LAKE AVE N",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016550002",
            "telephone_number": "508-421-1400",
            "fax_number": "508-421-1490"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "119 Belmont St",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016052903",
            "country_code": "US",
            "telephone_number": "508-421-1400",
            "fax_number": "508-421-1490",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "201 Highland St",
            "address_purpose": "LOCATION",
            "city": "Clinton",
            "state": "MA",
            "postal_code": "015101037",
            "country_code": "US",
            "telephone_number": "508-421-1400",
            "fax_number": "508-421-1490",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "60 Hospital Rd",
            "address_purpose": "LOCATION",
            "city": "Leominster",
            "state": "MA",
            "postal_code": "014532205",
            "country_code": "US",
            "telephone_number": "508-421-1400",
            "fax_number": "508-421-1490",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "510 N Main St",
            "address_purpose": "LOCATION",
            "city": "Leominster",
            "state": "MA",
            "postal_code": "014531814",
            "country_code": "US",
            "telephone_number": "508-421-1400",
            "fax_number": "508-421-1490",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "157 Union St",
            "address_purpose": "LOCATION",
            "city": "Marlborough",
            "state": "MA",
            "postal_code": "017521228",
            "country_code": "US",
            "telephone_number": "508-421-1400",
            "fax_number": "508-421-1490",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "MAURINE",
        "middle_name": "J.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-06-06",
        "last_updated": "2020-12-01",
        "certification_date": "2020-12-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "260863",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110100636A",
            "state": "MA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mwilliams34417@UmassMemorial.direct-ci.com",
            "affiliation": "N",
            "address_1": "55 Lake Ave N",
            "city": "Worcester",
            "state": "MA",
            "country_code": "US",
            "postal_code": "016550002",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "55 Lake Ave N",
            "city": "Worcester",
            "state": "MA",
            "country_code": "US",
            "postal_code": "016550002",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Worcester, MA

Sources for this page

Verify at the official NPI Registry.