Individual provider Active NPI

Mark J Sterling, M.D.

  • Gastroenterology Physician
  • Lewiston, ME
National Provider Identifier
1306822069
Registry record updated Jul 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
MD30810 Issued in ME
Practice address
300 Main St
Lewiston, ME 04240-7041
Phone
(207) 795-0111
NPI assigned
Dec 15, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 30, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X MD30810 ME Primary
Gastroenterology Physician 207RG0100X 78918 MA

Addresses

Primary practice location

300 Main St
Lewiston, ME 04240-7041

Mailing address

23 Mayo Rd
Wellesley, MA 02482-1036
Phone (781) 859-7989

Other identifiers 1

IdentifierTypeStateIssuer
110080601AMedicaidMA

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
I20081021000472 MA Practitioner - Gastroenterology 9133287089 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
New York Medical College, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Berkshire Faculty Services IncGroup PAC ID 8224068424, 276 clinicians

Practice addresses (Care Compare)

725 N St
Pittsfield, MA 01201-4109
Phone (413) 447-2695

725 N Street Berkshire OB/GYN of
Mbu
Pittsfield, MA 01201-4109
Phone (413) 499-8570

777 N St
Suite 207
Pittsfield, MA 01201-4123
Phone (413) 499-8510

780 S Main St
Suite 2
Great Barrington, MA 01230-2149
Phone (413) 447-2498

Hospital & facility affiliations

  • Berkshire Medical Center Hospital, Pittsfield, MA, CCN 220046
  • North Adams Regional Hospital Corporation Hospital, North Adams, MA, CCN 221304
  • Fairview Hospital Hospital, Great Barrington, MA, CCN 221302

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy69
Upper gastrointestinal (GI) endoscopy for acid reflux219

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
78918MAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Hallmark Health Medical Associates Inc Gastroenterology CurrentSince Dec 18, 2020 Accepting new patients
Fairview Hospital CurrentSince Dec 12, 2022 Accepting new patients
Berkshire Faculty Services Inc CurrentSince Dec 12, 2022 Accepting new patients

Locations

800 Washington St
Boston, MA 02111
Phone (617) 636-4800

780 S Main St
Ste 2
Gt Barrington, MA 01230
Phone (413) 447-2498

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

725 North St
Pittsfield, MA 01201
Phone (413) 447-2839

425 Revere St
Revere, MA 02151
Phone (781) 286-1313

51 Montvale Ave
Stoneham, MA 02180
Phone (781) 213-5200

Interoperability endpoints

  • Direct secure messaging: marksterling@bfs.medalliesdirect.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.

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": "1134604800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785369600000",
    "number": "1306822069",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "23 MAYO RD",
            "city": "WELLESLEY",
            "state": "MA",
            "postal_code": "024821036",
            "telephone_number": "781-859-7989"
        },
        {
            "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": "207-795-0111"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STERLING",
        "first_name": "MARK",
        "middle_name": "J",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-15",
        "last_updated": "2026-07-30",
        "certification_date": "2026-07-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "ME",
            "license": "MD30810",
            "primary": true
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MA",
            "license": "78918",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110080601A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Lewiston, ME

Sources for this page

Verify at the official NPI Registry.