Individual provider Active NPI

Hallie Geller, MD

  • Student in an Organized Health Care Education/Training Program
  • Worcester, MA
National Provider Identifier
1134860273
Registry record updated Oct 13, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X
Practice address
100 Century Dr
Worcester, MA 01606-1244
Phone
(508) 334-1000
NPI assigned
Apr 5, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 13, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X 1019892 MA
Student in an Organized Health Care Education/Training Program 390200000X Primary

Addresses

Primary practice location

100 Century Dr
Worcester, MA 01606-1244

Mailing address

335 Chandler St
Worcester, MA 01602-3441
Phone (508) 334-1000

Other practice location 1

335 Chandler St
Worcester, MA 01602-3441
Phone (508) 334-1000

Other practice location 2

55 Lake Ave N
Worcester, MA 01655-0002
Phone (508) 793-6400

Other practice location 3

680 Centre St
Brockton, MA 02302-3308
Phone (508) 941-7000

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250908000137 MA Practitioner - Psychiatry 3476055690 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Signature Healthcare Medical Group IncGroup PAC ID 7719876267, 250 clinicians

Practice addresses (Care Compare)

680 Centre St
Brockton, MA 02302-3308
Phone (508) 941-7000

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1019892MAMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Signature Healthcare Medical Group Inc Psychiatry CurrentSince Aug 1, 2025 Accepting new patients

Locations

680 Centre St
Brockton, MA 02302
Phone (508) 941-7400

55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862

Interoperability endpoints

  • Direct secure messaging: hallie.geller@direct.signature.masshiway.net

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1649116800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760313600000",
    "number": "1134860273",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "335 CHANDLER ST",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016023441",
            "telephone_number": "508-334-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 CENTURY DR",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016061244",
            "telephone_number": "508-334-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "335 Chandler St",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016023441",
            "country_code": "US",
            "telephone_number": "508-334-1000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "55 Lake Ave N",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016550002",
            "country_code": "US",
            "telephone_number": "508-793-6400",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "680 Centre St",
            "address_purpose": "LOCATION",
            "city": "Brockton",
            "state": "MA",
            "postal_code": "023023308",
            "country_code": "US",
            "telephone_number": "508-941-7000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GELLER",
        "first_name": "HALLIE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-04-05",
        "last_updated": "2025-10-13",
        "certification_date": "2025-10-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "MA",
            "license": "1019892",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Worcester, MA

Sources for this page

Verify at the official NPI Registry.