Individual provider Active NPI

Charles Eaton Stewart, M.D. PH.D.

  • Radiation Oncology Physician
  • Lewiston, ME
National Provider Identifier
1043243884
Registry record updated Jun 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
MD29918 Issued in ME
Practice address
300 Main St
Lewiston, ME 04240-7041
Phone
(207) 795-2240
NPI assigned
Jul 7, 2006
Last updated
Jun 24, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 24, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Physician 2085R0001X 24962 OK
Radiation Oncology Physician 2085R0001X MD29918 ME Primary

Addresses

Primary practice location

300 Main St
Lewiston, ME 04240-7041

Mailing address

300 Main St
Lewiston, ME 04240-7041
Phone (207) 795-2240

Other practice location 1

11212 E 48th St
Tulsa, OK 74146-5824
Phone (918) 497-3715

Other identifiers 1

IdentifierTypeStateIssuer
200202310AMedicaidOK

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OK
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
I20061007000004 OK Practitioner - Radiation Oncology 8628071040 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
Other, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Warren Clinic IncGroup PAC ID 8820900293, 787 clinicians

Practice addresses (Care Compare)

6161 S Yale Ave
Tulsa, OK 74136-1902
Phone (918) 502-4720

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.68 of 100Reported as group
Quality
69.07
Improvement activities
40

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Saint Francis Hospital, Inc. CurrentSince Feb 16, 2026 Accepting new patients
Warren Clinic Inc CurrentSince Feb 16, 2026 Accepting new patients
Saint Francis Hospital, Inc CurrentSince Feb 16, 2026 Accepting new patients
Radiation Therapy Specialists of Tulsa, PLLC Radiation Oncology CurrentSince Sep 25, 2008 Accepting new patients

Locations

11212 E 48th St
Tulsa, OK 74146
Phone (918) 556-3000

6161 S Yale Ave
Tulsa, OK 74136
Phone (918) 494-2200

6600 S Yale Ave
Ste 1400
Tulsa, OK 74136
Phone (888) 247-0125

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 3

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": "1152230400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782259200000",
    "number": "1043243884",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 MAIN ST",
            "city": "LEWISTON",
            "state": "ME",
            "postal_code": "042407041",
            "telephone_number": "207-795-2240"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 MAIN ST",
            "city": "LEWISTON",
            "state": "ME",
            "postal_code": "042407041",
            "telephone_number": "207-795-2240"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "11212 E 48th St",
            "address_purpose": "LOCATION",
            "city": "Tulsa",
            "state": "OK",
            "postal_code": "741465824",
            "country_code": "US",
            "telephone_number": "918-497-3715",
            "fax_number": "918-884-7282",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STEWART",
        "first_name": "CHARLES",
        "middle_name": "EATON",
        "name_prefix": "Dr.",
        "credential": "M.D. PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-07",
        "last_updated": "2026-06-24",
        "certification_date": "2026-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "OK",
            "license": "24962",
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "ME",
            "license": "MD29918",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200202310A",
            "state": "OK"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Lewiston, ME

Sources for this page

Verify at the official NPI Registry.