Individual provider Active NPI

Marcia C Chatfield, D. O.

  • Internal Medicine Physician
  • Arlington, MA
National Provider Identifier
1316048739
Registry record updated May 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
232141 Issued in MA
Practice address
22 Mill St Ste 208
Arlington, MA 02476-4738
Phone
(781) 646-2848
Fax
(781) 643-4308
NPI assigned
Sep 26, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 1, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 232141 MA Primary

Addresses

Primary practice location

22 Mill St Ste 208
Arlington, MA 02476-4738

Mailing address

330 Mount Auburn St # 2
Cambridge, MA 02138-5502
Phone (617) 499-5741

Other names 1

  • Marcia Cordeiro Targino Former name

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
I20080229000381 MA Practitioner - Internal Medicine 1254315385 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Nova Southeastern College of Osteo Medicine, 2000
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Mount Auburn Professional Services IncGroup PAC ID 6103725031, 229 clinicians
Select Rehabilitation, LLCGroup PAC ID 9032020490, 1,935 clinicians

Practice addresses (Care Compare)

22 Mill St
Suite 208
Arlington, MA 02476-4738
Phone (781) 646-2848

2600 Compass Rd
Glenview, IL 60026-8001

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
232141MAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Steward Medical Group, Inc CurrentSince Dec 23, 2018 Accepting new patients
Mass General Brigham Community Physicians Inc CurrentSince Jul 1, 2015 Accepting new patients
Steward Medical Group, Inc CurrentSince Dec 23, 2018 Accepting new patients
Mass General Brigham Community Physicians Inc. Internal Medicine CurrentSince Jul 1, 2015 Accepting new patients
Mt Auburn Professional Services Internal Medicine CurrentSince Jul 17, 2023 Accepting new patients
Mount Auburn Professional Services Inc Internal Medicine CurrentSince Jul 17, 2023 Accepting new patients
Seacoast Affiliated Group Practice, Inc. Past Accepting new patients
River Valley Infectious Disease Specialists Inc. Past Accepting new patients
Mount Auburn Professional Services Inc Internal Medicine Past Accepting new patients
Merrimack Valley Health Care Group Past Accepting new patients

Locations

22 Mill St
Ste 208
Arlington, MA 02476
Phone (781) 646-2848

200 Groton Rd
Ayer, MA 01432
Phone (978) 784-9000

235 N Pearl St
Brockton, MA 02301
Phone (508) 427-2525

330 Mount Auburn St
#2
Cambridge, MA 02138
Phone (617) 499-5026

66 E Main St
Georgetown, MA 01833
Phone (978) 352-7780

600 Primrose St
Haverhill, MA 01830
Phone (978) 373-4400

140 Lincoln Ave
Haverhill, MA 01830
Phone (978) 374-2000

1 Parkway
Haverhill, MA 01830
Phone (978) 521-3210

500 Merrimack St
Lawrence, MA 01843
Phone (978) 557-8800

100 Amesbury St
Ste 103
Lawrence, MA 01840
Phone (978) 683-0157

57 Bedford St
Ste 130
Lexington, MA 02420
Phone (781) 484-7500

170 Governors Ave
Medford, MA 02155
Phone (781) 306-6000

70 East St
Methuen, MA 01844
Phone (978) 682-1906

800 Washington St
Norwood, MA 02062
Phone (781) 278-6264

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/86/brand/1/csg/1/fhir/r4
  • Direct secure messaging: mchatfield33476@direct.bilh.masshiway.net

Organizations & group practices 13

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.

View all 13

Hospital & facility affiliations 6

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": "1159228800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777593600000",
    "number": "1316048739",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "330 MOUNT AUBURN ST # 2",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021385502",
            "telephone_number": "617-499-5741",
            "fax_number": "617-499-5620"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 MILL ST STE 208",
            "city": "ARLINGTON",
            "state": "MA",
            "postal_code": "024764738",
            "telephone_number": "781-646-2848",
            "fax_number": "781-643-4308"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHATFIELD",
        "first_name": "MARCIA",
        "middle_name": "C",
        "credential": "D. O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-09-26",
        "last_updated": "2026-05-01",
        "certification_date": "2026-05-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "232141",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARCIA",
            "last_name": "TARGINO",
            "middle_name": "CORDEIRO",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Arlington, MA

Sources for this page

Verify at the official NPI Registry.