Elizabeth Dennis, D.O.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

2067 Issued in ME

Practice address

11 Rock Row Ste 320
Westbrook, ME 04092-4877

Phone

(207) 303-3300

Fax

(207) 250-2139

NPI assigned

May 30, 2007

Last updated

Apr 16, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in ME, NH2 enrollments

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 2

Specialty

Internal Medicine

Education

Midwestern University, Chicago College of Osteopathic Med, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Maine Center for Cancer Medicine and Blood Disorders PAGroup PAC ID 0840195186, 69 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mainehealth Maine Medical Center Hospital, Portland, ME, CCN 200009
• Mainehealth Mid Coast Hospital Hospital, Brunswick, ME, CCN 200021
• Portsmouth Regional Hospital Hospital, Portsmouth, NH, CCN 300029
• Mainehealth Pen Bay Hospital Hospital, Rockport, ME, CCN 200063
• Lincolnhealth Hospital, Damariscotta, ME, CCN 201302

Merit-based Incentive Payment System (MIPS)

Final score

97.93 of 100Reported as apm

Quality

83.31

Promoting interoperability

100

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as group

Quality

92.4

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

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.

• Maine Center for Cancer Medicine & Blood Disorders, P.a.

  dba New England Cancer Specialists

  • Hematology & Oncology Physician
  • Westbrook, ME
  • NPI 1205896107

  Internal Medicine, NH

  Medicare reassignment Care Compare group NPD
• Maine Center of Cancer Medicine & Blood Disorders

  • Hematology & Oncology Physician
  • Scarborough, ME
  • NPI 1528030814
  NPD (past)

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

• Mainehealth

  dba MMP Orthopedics ( Div of Orthopedic Trauma & Fracture Care)

  • Orthopaedic Trauma Physician
  • Portland, ME
  • NPI 1003113127

  Hospital

  Care Compare affiliation
• Mainehealth

  • Internal Medicine Physician
  • Windham, ME
  • NPI 1023321593

  Hospital

  Care Compare affiliation
• Mainehealth

  dba Maine Hemophilia and Thrombosis Center

  • General Acute Care Hospital
  • Scarborough, ME
  • NPI 1053647024
  Care Compare affiliation
• Mainehealth

  • Maternal & Fetal Medicine Physician
  • Portland, ME
  • NPI 1063726891

  Hospital

  Care Compare affiliation
• Mainehealth

  dba Maine Medical Center Infectious Disease

  • Infectious Disease Physician
  • Portland, ME
  • NPI 1073701157

  Hospital

  Care Compare affiliation
• Mainehealth

  dba Geriatric Consults

  • Geriatric Medicine (Internal Medicine) Physician
  • Portland, ME
  • NPI 1164610242

  Hospital

  Care Compare affiliation
• Mainehealth

  dba MMC Pediatric Intensive Care Unit

  • Pediatric Critical Care Medicine Physician
  • Portland, ME
  • NPI 1265536817

  Hospital

  Care Compare affiliation
• Mainehealth

  • General Acute Care Hospital
  • Portland, ME
  • NPI 1346267879
  Care Compare affiliation
• Mainehealth

  dba Maine Medical Partners Endocrinlogy & Diabetes

  • Endocrinology, Diabetes & Metabolism Physician
  • Scarborough, ME
  • NPI 1356651038

  Hospital

  Care Compare affiliation
• Mainehealth

  dba MMP Surgical Care

  • Surgery Physician
  • Portland, ME
  • NPI 1376981993

  Hospital

  Care Compare affiliation
• Mainehealth

  dba MMC Pediatric Urology

  • Pediatric Urology Physician
  • Portland, ME
  • NPI 1457540486

  Hospital

  Care Compare affiliation
• Mainehealth

  dba Maine Medical Partners Pediatric Specialty Care

  • Gastroenterology Physician
  • Portland, ME
  • NPI 1477850592

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1180483200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776297600000",
    "number": "1073714721",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 911",
            "city": "BRATTLEBORO",
            "state": "VT",
            "postal_code": "053020911",
            "telephone_number": "207-303-3200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11 ROCK ROW STE 320",
            "city": "WESTBROOK",
            "state": "ME",
            "postal_code": "040924877",
            "telephone_number": "207-303-3300",
            "fax_number": "207-250-2139"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2 Independence Dr",
            "address_purpose": "LOCATION",
            "city": "Kennebunk",
            "state": "ME",
            "postal_code": "040436078",
            "country_code": "US",
            "telephone_number": "207-303-3300",
            "fax_number": "207-250-2144",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "105 Topsham Fair Mall Rd Unit 1",
            "address_purpose": "LOCATION",
            "city": "Topsham",
            "state": "ME",
            "postal_code": "040861773",
            "country_code": "US",
            "telephone_number": "207-303-3300",
            "fax_number": "207-250-2137",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "155 Borthwick Ave Ste C",
            "address_purpose": "LOCATION",
            "city": "Portsmouth",
            "state": "NH",
            "postal_code": "038017156",
            "country_code": "US",
            "telephone_number": "603-828-0100",
            "fax_number": "603-828-0111",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "11 Rock Row Ste 120",
            "address_purpose": "LOCATION",
            "city": "Westbrook",
            "state": "ME",
            "postal_code": "040924877",
            "country_code": "US",
            "telephone_number": "207-303-3300",
            "fax_number": "207-250-2139",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "15 Rock Row Ste 110",
            "address_purpose": "LOCATION",
            "city": "Westbrook",
            "state": "ME",
            "postal_code": "040924877",
            "country_code": "US",
            "telephone_number": "207-303-3300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "11 Rock Row Ste 150",
            "address_purpose": "LOCATION",
            "city": "Westbrook",
            "state": "ME",
            "postal_code": "040924877",
            "country_code": "US",
            "telephone_number": "207-303-3300",
            "fax_number": "207-250-2139",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DENNIS",
        "first_name": "ELIZABETH",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-05-30",
        "last_updated": "2026-04-16",
        "certification_date": "2026-04-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NH",
            "license": "24444",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "ME",
            "license": "2067",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "433988399",
            "state": "ME"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Caroline Louise Davison, LCPC
• Jennifer K Deane, FNP
• Allison Dellosso
• Tracy Lynne Demarino, MS,CCC/SLP
• Erin Demers, MS, BCBA
• Desirae Leblanc, OT LLC (Cadence Pelvic Health and Wellness)
• Destiny Residential Care, LLC
• Developmental Concepts, LLC
• Anita Aaltje Devine, LMT
• Diane Harris LCSW Cadc LLC

• Internal Medicine Physician in Westbrook, ME
• Providers in Westbrook, ME by specialty
• Internal Medicine Physician in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.