Mark E McAllister, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

MD18562 Issued in ME

Practice address

149 North St
Waterville, ME 04901-4974

Phone

(207) 872-1300

Fax

(207) 872-1515

NPI assigned

Jul 20, 2007

Sex

Male

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

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

Specialty

Family PracticeAlso: Emergency Medicine

Education

Geisel School of Medicine at Dartmouth, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

MainehealthGroup PAC ID 7517860588, 2,616 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mainehealth Pen Bay Hospital Hospital, Rockport, ME, CCN 200063

Merit-based Incentive Payment System (MIPS)

Final score

97.93 of 100Reported as apm

Quality

83.31

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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 and National Provider Directory roles.

• Mainehealth

  • Psychiatric Hospital
  • Westbrook, ME
  • NPI 1790265502
  Medicare reassignment Care Compare group NPD
• Mainehealth

  • General Acute Care Hospital
  • Rockport, ME
  • NPI 1982645305
  Medicare reassignment NPD
• Mainehealth

  • Community/Retail Pharmacy
  • Portland, ME
  • NPI 1013868181
  NPD
• Mainehealth

  • Gynecologic Oncology Physician
  • Scarborough, ME
  • NPI 1851605455
  NPD
• Penobscot Bay Medical Center

  • General Acute Care Hospital
  • Rockland, ME
  • NPI 1164668943
  NPD
• Bluewater Emergency Partners of Calais, LLC Dba: Bluewater Urgent Care

  • Emergency Medicine Physician
  • Brunswick, ME
  • NPI 1881974665
  NPD (past)

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

• Mainehealth

  • General Acute Care Hospital
  • Rockport, ME
  • NPI 1982645305
  Care Compare affiliation

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

{
    "created_epoch": "1184889600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787011200000",
    "number": "1386844157",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "149 NORTH ST",
            "city": "WATERVILLE",
            "state": "ME",
            "postal_code": "049014974",
            "telephone_number": "207-872-1300",
            "fax_number": "207-872-1515"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "149 NORTH ST",
            "city": "WATERVILLE",
            "state": "ME",
            "postal_code": "049014974",
            "telephone_number": "207-872-1300",
            "fax_number": "207-872-1515"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6 Glen Cove Dr",
            "address_purpose": "LOCATION",
            "city": "Rockport",
            "state": "ME",
            "postal_code": "048564272",
            "country_code": "US",
            "telephone_number": "207-921-8311",
            "fax_number": "207-301-5288",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCALLISTER",
        "first_name": "MARK",
        "middle_name": "E",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-07-20",
        "last_updated": "2026-08-18",
        "certification_date": "2026-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "ME",
            "license": "MD18562",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "ME",
            "license": "MD18562",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "432682699",
            "state": "ME"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• William Arthur Mathes, DC
• Andrea B Mathieu, FNP-C
• Jeff Matranga, PH.D., ABPP
• William Matuzas, MD
• Amy Mayhew, LADC
• Brian McArthur, CCPC
• Sonja McAvoy, SLP-A
• Dennis R McCann, MD
• Kelly McCarthy
• Michelle McCauley

• Family Medicine Physician in Waterville, ME
• Providers in Waterville, ME by specialty
• Family Medicine Physician in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 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.