NPIMap

Organization Active NPI

Reliant Medical Group, Inc

  • Family Medicine Physician
  • Worcester, MA
National Provider Identifier
1720017528
Registry record updated Nov 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
Legal business name
RELIANT MEDICAL GROUP, INC
Doing business as
Reliant Medical Group Inc
Practice address
5 Neponset St
Worcester, MA 01606-2714
Phone
(508) 852-0600
NPI assigned
Jul 2, 2006
Last updated
Nov 19, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Nov 19, 2025

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

Authorized official

Name
Thad F SchillingNPI 1801823935
Title
Cmo
Phone
(508) 755-4381

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X NU Primary
Internal Medicine Physician 207R00000X NU
Gastroenterology Physician 207RG0100X NU
Rheumatology Physician 207RR0500X NU
Pediatrics Physician 208000000X NU

Addresses

Primary practice location

5 Neponset St
Worcester, MA 01606-2714

Mailing address

5 Neponset St
Worcester, MA 01606-2714
Phone (508) 852-0600

Other practice location 1

366 Shrewsbury St
Worcester, MA 01604-4647
Phone (508) 595-2700

Other names 2

  • Reliant Medical Group Inc Doing business as
  • Fallon Clinic Former legal business name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
O20040708000650 MA Part B Supplier - Clinic/Group Practice 5597755322 Receives reassigned benefits from 798 practitioners
Practice locations: Southborough, MA; Webster, MA; Westborough, MA; Worcester, MA; Hudson, MA; Shrewsbury, MA; Natick, MA; Milford, MA…
O20250502000482 MA DME Supplier - Physician - Internal Medicine 5597755322 Practice locations: Worcester, MA

Other NPIs with the same Medicare PAC ID 1

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
22D2110462Readymed by Reliant Medical Group-Worcester366 Shrewsbury St, Worcester, MA 01604Provider-performed microscopyMar 14, 2028

National Provider Directory

National Provider Directory

Member organizations 5

Organizations listed as members of this organization in the National Provider Directory.

Locations

385 Southbridge St
Auburn, MA 01501
Phone (508) 721-1101

460 Southbridge St
Auburn, MA 01501
Phone (508) 595-2700

695 Main St
Holden, MA 01520
Phone (508) 829-2847

225 New Lancaster Rd
Leominster, MA 01453
Phone (978) 466-3208

115 Cedar St
#85
Milford, MA 01757
Phone (508) 634-8376

176 West St
Milford, MA 01757
Phone (508) 529-7000

340 E Main St
Milford, MA 01757
Phone (508) 595-2700

94 Elm St
Millbury, MA 01527
Phone (508) 368-5529

222 Boston Tpke
Shrewsbury, MA 01545
Phone (508) 831-4080

407 Main St
Spencer, MA 01562
Phone (508) 885-4293

325 Thompson Rd
Webster, MA 01570
Phone (508) 656-5227

344 Thompson Rd
Webster, MA 01570
Phone (508) 671-4050

24 Lyman St
Westborough, MA 01581
Phone (508) 475-9110

123 Summer St
Ste 320S
Worcester, MA 01608
Phone (508) 964-5580

366 Shrewsbury St
Worcester, MA 01604
Phone (508) 595-2700

425 Lake Ave N
Worcester, MA 01605
Phone (508) 595-2655

5 Neponset St
Fl 12
Worcester, MA 01606
Phone (508) 852-6175

630 Plantation St
Worcester, MA 01605
Phone (508) 368-5529

640 Lincoln St
Worcester, MA 01605
Phone (508) 854-2426

Practitioners & affiliated clinicians

Practitioners 1,066

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 1,066

NPI Registry JSON

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

{
    "created_epoch": "1151798400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1763510400000",
    "number": "1720017528",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5 NEPONSET ST",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016062714",
            "telephone_number": "508-852-0600"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5 NEPONSET ST",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016062714",
            "telephone_number": "508-852-0600"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "366 Shrewsbury St",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016044647",
            "country_code": "US",
            "telephone_number": "508-595-2700",
            "fax_number": "774-221-5136",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "RELIANT MEDICAL GROUP, INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-07-02",
        "last_updated": "2025-11-19",
        "certification_date": "2025-11-19",
        "status": "A",
        "authorized_official_last_name": "SCHILLING",
        "authorized_official_first_name": "THAD",
        "authorized_official_middle_name": "F",
        "authorized_official_title_or_position": "CMO",
        "authorized_official_telephone_number": "508-755-4381"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Reliant Medical Group Inc",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Fallon Clinic",
            "code": "4",
            "type": "Former Legal Business Name"
        },
        {
            "organization_name": "Fallon Clinic",
            "code": "4",
            "type": "Former Legal Business Name"
        }
    ]
}

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 Nov 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.

Verify at the official NPI Registry.