Alex Kirk Doering, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

1015863 Issued in MA

Practice address

225 New Lancaster Rd
Leominster, MA 01453-4958

Phone

(978) 466-3208

Fax

(978) 840-1680

NPI assigned

Apr 3, 2020

Last updated

Sep 23, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Specialty

Family Practice

Education

Geisel School of Medicine at Dartmouth, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Reliant Medical Group IncGroup PAC ID 5597755322, 638 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Vna Care Network Home health agency, Worcester, MA, CCN 227098
• Umass Memorial Medical Center/University Campus Hospital, Worcester, MA, CCN 220163

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Reliant Medical Group, Inc

  • Family Medicine Physician
  • Worcester, MA
  • NPI 1720017528
  Medicare reassignment Care Compare group NPD
• Umass Memorial Medical Group Inc

  • Internal Medicine Physician
  • Worcester, MA
  • NPI 1760445373

  Family Medicine

  Medicare reassignment NPD
• Umass Memorial Medical Group, Inc.

  dba Urgent Care Express at Harrington

  • Urgent Care Clinic/Center
  • Oxford, MA
  • NPI 1982381018
  NPD
• Reliant Medical Group, Inc

  • Physical Therapist
  • Worcester, MA
  • NPI 1295827962
  NPD (past)

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

• Umass Memorial Medical Center, Inc.

  • General Acute Care Hospital
  • Worcester, MA
  • NPI 1831151455
  Care Compare affiliation
• Vna Care Network, Inc.

  • Home Health Agency
  • Worcester, MA
  • NPI 1922002286
  Care Compare affiliation

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

{
    "created_epoch": "1585872000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758585600000",
    "number": "1649809468",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "225 NEW LANCASTER RD",
            "city": "LEOMINSTER",
            "state": "MA",
            "postal_code": "014534958",
            "telephone_number": "978-466-3208",
            "fax_number": "978-840-1680"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "225 NEW LANCASTER RD",
            "city": "LEOMINSTER",
            "state": "MA",
            "postal_code": "014534958",
            "telephone_number": "978-466-3208",
            "fax_number": "978-840-1680"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DOERING",
        "first_name": "ALEX",
        "middle_name": "KIRK",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-03",
        "last_updated": "2025-09-23",
        "certification_date": "2025-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MA",
            "license": "1015863",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Belden Louis Divito, P.A.
• Catherine Rebecca Djerbaka, BACHELORS OF ART
• DLH Hearing Solutions, LLC
• Jenna Dmohowski
• Shelley Kathleen Dobbs, M.S., CCC-SLP
• Kelly Dolen, LCSW
• Beatrice Glen Domenichella, CNP
• Dominick Dipilla, DMD, PC
• Donald S. Levine, M.D. , P.C..
• Maureen C . Donatelli, M.S., CCC-SLP, CEIS

• Family Medicine Physician in Leominster, MA
• Providers in Leominster, MA by specialty
• Family Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 23, 2025; 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.