Individual provider Active NPI

Sarah Greene Gensheimer, MD, PHD

  • Hospitalist Physician
  • Portland, ME
National Provider Identifier
1629434352
Registry record updated Aug 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
MD30329 Issued in ME
Practice address
22 Bramhall St
Portland, ME 04102-3175
Phone
(207) 662-0111
NPI assigned
Jan 11, 2016
Sex
Female
Sole proprietor
No

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in ME
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
I20230712003320 ME Order and Referring Only - Internal MedicinePractitioner - Internal Medicine 8022478890

National Provider Directory

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

Specialties & licenses 2

NPPES NPI Registry
Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD30329 ME
Hospitalist Physician 208M00000X MD30329 ME Primary

Addresses

NPPES NPI Registry

Primary practice location

22 Bramhall St
Portland, ME 04102-3175

Mailing address

22 Bramhall St
Portland, ME 04102-3175
Phone (207) 662-0111

Other practice location 1

25 June St
Sanford, ME 04073-2621
Phone (207) 324-4310

Other practice location 2

1 Medical Center Dr
Biddeford, ME 04005-9422
Phone (207) 283-7937

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Aug 4, 2026.

{
    "created_epoch": "1452470400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785801600000",
    "number": "1629434352",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22 BRAMHALL ST",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041023175",
            "telephone_number": "207-662-0111"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 BRAMHALL ST",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041023175",
            "telephone_number": "207-662-0111"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "25 June St",
            "address_purpose": "LOCATION",
            "city": "Sanford",
            "state": "ME",
            "postal_code": "040732621",
            "country_code": "US",
            "telephone_number": "207-324-4310",
            "fax_number": "207-490-7999",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Medical Center Dr",
            "address_purpose": "LOCATION",
            "city": "Biddeford",
            "state": "ME",
            "postal_code": "040059422",
            "country_code": "US",
            "telephone_number": "207-283-7937",
            "fax_number": "207-283-7018",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GENSHEIMER",
        "first_name": "SARAH",
        "middle_name": "GREENE",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-01-11",
        "last_updated": "2026-08-04",
        "certification_date": "2026-08-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "ME",
            "license": "MD30329",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "ME",
            "license": "MD30329",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, ME

Sources for this page

Verify at the official NPI Registry.