Individual provider Active NPI

Michael Charles Newstein, M.D.

  • Infectious Disease Physician
  • Milford, MA
National Provider Identifier
1437266574
Registry record updated Jul 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Disease PhysicianTaxonomy code 207RI0200X
License
81410 Issued in MA
Practice address
14 Prospect St
Milford, MA 01757-3003
Phone
(508) 902-9751
NPI assigned
Aug 24, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 21, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Infectious Disease Physician 207RI0200X 81410 MA Primary

Addresses

Primary practice location

14 Prospect St
Milford, MA 01757-3003

Mailing address

PO Box 415348
Boston, MA 02241-5348
Phone (800) 225-8885

Other identifiers 1

IdentifierTypeStateIssuer
110058742AMedicaidMA

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
I20070625000034 MA Practitioner - Infectious Disease 2567561012 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Infectious Disease
Education
Warren Alpert Medical School of Brown University, 1992
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Umass Memorial Medical Group IncGroup PAC ID 4284539891, 2,494 clinicians

Practice addresses (Care Compare)

14 Prospect St
Milford, MA 01757-3003
Phone (508) 473-1190

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
81410MAMDInfectious Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Milford Regional Physician Group, Inc. Current Accepting new patients
Umass Memorial Medical Group, Inc. CurrentSince Oct 1, 2025 Accepting new patients
Umass Memorial Health-Milford Regional Medical Center Inc Current Accepting new patients
Milford Regional Physician Group, Inc. CurrentSince Aug 30, 2021 Accepting new patients
Umass Memorial Medical Group Inc CurrentSince Oct 1, 2025 Accepting new patients
Milford Regional Physician Group, Inc. CurrentSince Aug 30, 2021 Accepting new patients

Locations

9 Industrial Rd
Ste 5
Milford, MA 01757
Phone (508) 473-1480

308 Main St
Milford, MA 01757
Phone (508) 478-0555

100 Medway Rd
Ste 401
Milford, MA 01757
Phone (508) 634-7338

14 Prospect St
Milford, MA 01757
Phone (508) 422-2343

55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862

Interoperability endpoints

  • Direct secure messaging: newstein.michael.tcma@direct.partners.masshiway.net

Organizations & group practices 6

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 1

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": "1156377600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784592000000",
    "number": "1437266574",
    "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",
            "telephone_number": "800-225-8885"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14 PROSPECT ST",
            "city": "MILFORD",
            "state": "MA",
            "postal_code": "017573003",
            "telephone_number": "508-902-9751"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NEWSTEIN",
        "first_name": "MICHAEL CHARLES",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-24",
        "last_updated": "2026-07-21",
        "certification_date": "2026-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "MA",
            "license": "81410",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110058742A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Milford, MA

Sources for this page

Verify at the official NPI Registry.