Individual provider Active NPI

Natasha Thivya Thiagalingam, DO

  • Pediatrics Physician
  • Concord, MA
National Provider Identifier
1043886476
Registry record updated Aug 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
1019398 Issued in MA
Practice address
330 Baker Ave
Concord, MA 01742-2129
Phone
(978) 287-9400
Fax
(978) 287-9408
NPI assigned
May 27, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 7, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 1019398 MA Primary

Addresses

Primary practice location

330 Baker Ave
Concord, MA 01742-2129

Mailing address

330 Baker Ave
Concord, MA 01742-2129
Phone (978) 287-9400

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
I20240520002484 MA Practitioner - Pediatric Medicine 7810390093 Reassigns benefits to 2 organizations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Atrius Health, Inc. Pediatrics CurrentSince Aug 1, 2025 Accepting new patients
Atrius Health, Inc. CurrentSince Aug 1, 2025 Accepting new patients
Baystate Medical Practices, Inc Pediatrics CurrentSince May 9, 2024 Accepting new patients
Atrius Health, Inc. Pediatrics Past Accepting new patients
Baystate Medical Practices, Inc Pediatrics PastSince Jul 1, 2024 Accepting new patients

Locations

147 Milk St
Fl 9
Boston, MA 02109
Phone (617) 559-8051

133 Brookline Ave
Boston, MA 02215
Phone (617) 421-1000

228 Billerica Rd
Chelmsford, MA 01824
Phone (978) 250-6000

330 Baker Ave
Concord, MA 01742
Phone (978) 287-9300

140 High St
Springfield, MA 01105
Phone (413) 495-1500

759 Chestnut St
Springfield, MA 01199
Phone (413) 794-3233

280 Chestnut St
Fl 2
Springfield, MA 01199
Phone (413) 788-4385

140 High St
Ste 1
Springfield, MA 01105
Phone (413) 794-2515

Interoperability endpoints

  • Direct secure messaging: nthiagalingamdo409407@direct.atrius.masshiway.net

Organizations & group practices 5

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": "1622073600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786060800000",
    "number": "1043886476",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "330 BAKER AVE",
            "city": "CONCORD",
            "state": "MA",
            "postal_code": "017422129",
            "telephone_number": "978-287-9400",
            "fax_number": "978-287-9408"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "330 BAKER AVE",
            "city": "CONCORD",
            "state": "MA",
            "postal_code": "017422129",
            "telephone_number": "978-287-9400",
            "fax_number": "978-287-9408"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THIAGALINGAM",
        "first_name": "NATASHA",
        "middle_name": "THIVYA",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-05-27",
        "last_updated": "2026-08-07",
        "certification_date": "2026-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MA",
            "license": "1019398",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Concord, MA

Sources for this page

Verify at the official NPI Registry.