Individual provider Active NPI

Andrea Shelley Klayman, M.D.

  • Internal Medicine Physician
  • Portland, ME
National Provider Identifier
1780856963
Registry record updated Mar 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
018842 Issued in ME
Practice address
84 Marginal Way
Suite 800
Portland, ME 04101
Phone
(207) 774-5816
Fax
(207) 523-8595
NPI assigned
Mar 28, 2008
Last updated
Mar 18, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 18, 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 018842 ME Primary

Addresses

Primary practice location

84 Marginal Way
Suite 800
Portland, ME 04101

Mailing address

100 Gannett Drive
Suite C
South Portland, ME 04106
Phone (207) 347-2947

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
I20111017000559 ME Practitioner - Internal Medicine 6204008261 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of Massachusetts Medical School, 2008
Medicare assignment
May accept Medicare assignment
Telehealth
Offers telehealth services
Group practices
Intermed PAGroup PAC ID 5092605261, 185 clinicians
Riverview Physical Therapy Limited PartnershipGroup PAC ID 2769393586, shared by 2 NPIs, 58 clinicians
Select Physical Therapy Holdings IncGroup PAC ID 9537076401, shared by 76 NPIs, 1,992 clinicians

Practice addresses (Care Compare)

100 Foden Rd
South Portland, ME 04106-2327
Phone (207) 874-1489

50 Forest Falls Dr
Yarmouth, ME 04096-6937

730 Ctr St
Suite 9
Auburn, ME 04210-6316
Phone (207) 783-3450

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal or shaving of skin growth1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
018842MEMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mainehealth CurrentSince Oct 9, 2011 Accepting new patients
Intermed, PA CurrentSince Sep 1, 2011 Accepting new patients
Intermed, PA Internal Medicine CurrentSince Sep 1, 2011 Accepting new patients
Mainehealth CurrentSince Oct 9, 2011 Accepting new patients
Mainehealth Current Accepting new patients
Intermed, PA Past Accepting new patients
Spectrum Healthcare Partners, P.a. Past Accepting new patients

Locations

22 Bramhall St
Portland, ME 04102
Phone (207) 662-2179

84 Marginal Way
Ste 700
Portland, ME 04101
Phone (207) 347-2898

84 Marginal Way
Ste 800
Portland, ME 04101
Phone (207) 774-5816

100 Foden Rd
South Portland, ME 04106
Phone (207) 828-1122

100 Foden Rd
Ste 100
South Portland, ME 04106
Phone (207) 874-1489

100 Foden Rd
Ste W-100
South Portland, ME 04106
Phone (207) 523-3900

100 Foden Rd
Ste W-203
South Portland, ME 04106
Phone (207) 523-3900

100 Gannett Dr
Ste C
South Portland, ME 04106
Phone (207) 523-3649

Interoperability endpoints

  • Direct secure messaging: andrea.klayman@int.eclinicaldirectplus.com
  • FHIR API: https://fhir4.healow.com/fhir/r4/CDGCAA

Organizations & group practices 7

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 45

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 45

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1206662400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773792000000",
    "number": "1780856963",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 GANNETT DRIVE",
            "address_2": "SUITE C",
            "city": "SOUTH PORTLAND",
            "state": "ME",
            "postal_code": "04106",
            "telephone_number": "207-347-2947",
            "fax_number": "207-874-2317"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "84 MARGINAL WAY",
            "address_2": "SUITE 800",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "04101",
            "telephone_number": "207-774-5816",
            "fax_number": "207-523-8595"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KLAYMAN",
        "first_name": "ANDREA",
        "middle_name": "SHELLEY",
        "name_prefix": "Ms.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-03-28",
        "last_updated": "2026-03-18",
        "certification_date": "2026-03-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "ME",
            "license": "018842",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, ME

Sources for this page

Verify at the official NPI Registry.