Organization Active NPI

Riverside Medical Group PC

  • Internal Medicine Physician
  • Lowell, MA
National Provider Identifier
1508821646
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
Legal business name
RIVERSIDE MEDICAL GROUP PC
Practice address
275 Varnum Ave
Ste 201
Lowell, MA 01854-2141
Phone
(978) 452-9700
Fax
(978) 441-6075
NPI assigned
Apr 20, 2006
Last updated
Sep 11, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Authorized official

Name
Mr. Lincoln N Pinsky, MDNPI 1225090228
Title
President
Phone
(978) 452-9700

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 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X NU Primary
Cardiovascular Disease Physician 207RC0000X NU

Addresses

Primary practice location

275 Varnum Ave
Ste 201
Lowell, MA 01854-2141

Mailing address

275 Varnum Ave
Ste 201
Lowell, MA 01854-2141
Phone (978) 452-9700

Other identifiers 1

IdentifierTypeStateIssuer
9782796MedicaidMA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20040304000318 MA Part B Supplier - Clinic/Group Practice 5193612919 Receives reassigned benefits from 15 practitioners
Practice locations: Lowell, MA

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
22D0715516Riverside Medical Group PC275 Varnum Avenue Suite 201 & 101, Lowell, MA 01854Certificate of waiverAug 31, 2026

National Provider Directory

National Provider Directory

Locations

275 Varnum Ave
#201
Lowell, MA 01854
Phone (978) 452-9700

295 Varnum Ave
Ste 201
Lowell, MA 01854
Phone (978) 452-9700

Practitioners & affiliated clinicians

Practitioners 106

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 106

NPI Registry JSON

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

{
    "created_epoch": "1145491200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1508821646",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "275 VARNUM AVE",
            "address_2": "STE 201",
            "city": "LOWELL",
            "state": "MA",
            "postal_code": "018542141",
            "telephone_number": "978-452-9700",
            "fax_number": "978-441-6075"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "275 VARNUM AVE",
            "address_2": "STE 201",
            "city": "LOWELL",
            "state": "MA",
            "postal_code": "018542141",
            "telephone_number": "978-452-9700",
            "fax_number": "978-441-6075"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "RIVERSIDE MEDICAL GROUP PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-04-20",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "PINSKY",
        "authorized_official_first_name": "LINCOLN",
        "authorized_official_middle_name": "N",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "978-452-9700",
        "authorized_official_name_prefix": "Mr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "9782796",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Lowell, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.