Individual provider Active NPI

Charles A Kelly, MD

  • Anesthesiology Physician
  • Waltham, MA
National Provider Identifier
1083674352
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
72670 Issued in MA
Practice address
40 Second Ave
Waltham, MA 02451
Phone
(617) 726-3030
NPI assigned
Mar 23, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 72670 MA Primary

Addresses

Primary practice location

40 Second Ave
Waltham, MA 02451

Mailing address

PO Box 9142
Mass General Physician Organization Inc
Charlestown, MA 02129-9142
Phone (617) 724-0287

Other identifiers 2

IdentifierTypeStateIssuer
3060926MedicaidMA
J09601OtherMABCBS

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
I20060411000732 MA Practitioner - Anesthesiology 2062421571 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of Massachusetts Medical School, 1986
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Massachusetts General Physicians Organization IncGroup PAC ID 2466365820, 3,494 clinicians

Practice addresses (Care Compare)

55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-0287

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
72670MAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The General Hospital Corporation CurrentSince Oct 1, 2006 Accepting new patients
General Hospital Corp Current Accepting new patients
Massachusetts General Physicians Organization Inc CurrentSince May 23, 1990 Accepting new patients

Locations

55 Fruit St
Boston, MA 02114

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

Interoperability endpoints

  • Direct secure messaging: kelly.charles.mgh@direct.partners.masshiway.net

Organizations & group practices 3

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": "1143072000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1083674352",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9142",
            "address_2": "MASS GENERAL PHYSICIAN ORGANIZATION INC",
            "city": "CHARLESTOWN",
            "state": "MA",
            "postal_code": "021299142",
            "telephone_number": "617-724-0287",
            "fax_number": "617-726-2894"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "40 SECOND AVE",
            "city": "WALTHAM",
            "state": "MA",
            "postal_code": "02451",
            "telephone_number": "617-726-3030"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KELLY",
        "first_name": "CHARLES",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MA",
            "license": "72670",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3060926",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "J09601",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Waltham, MA

Sources for this page

Verify at the official NPI Registry.