Lachlan Driver, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

1013425 Issued in MA

Practice address

55 Lake Ave N
Worcester, MA 01655-0002

Phone

(508) 421-1490

Fax

(508) 421-1401

NPI assigned

Apr 9, 2021

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

Other names 1

• Lachlan Driver Professional name

Medicare fee-for-service enrollment

Enrolled in RI, MA2 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

Emergency Medicine

Education

Loyola University of Chicago, Stritch School of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Umass Memorial Medical Group IncGroup PAC ID 4284539891, 2,494 clinicians

Lifespan Physician Group IncGroup PAC ID 2567455082, 1,151 clinicians

Brown Emergency MedicineGroup PAC ID 7214833169, 140 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• The Miriam Hospital Hospital, Providence, RI, CCN 410012
• Umass Memorial Healthalliance Hospitals Hospital, Leominster, MA, CCN 220001

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ldriver236830@brownhealth.medalliesdirect.net

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.

• Brown Emergency Medicine

  • Emergency Medicine Physician
  • Providence, RI
  • NPI 1962455022
  Medicare reassignment Care Compare group NPD
• Lifespan Physician Group, Inc.

  • General Practice Physician
  • Providence, RI
  • NPI 1407116643
  Medicare reassignment Care Compare group NPD
• Umass Memorial Medical Group Inc

  • Internal Medicine Physician
  • Worcester, MA
  • NPI 1760445373
  Medicare reassignment Care Compare group
• Lifespan Corporation

  • Children's Rehabilitation Hospital
  • Providence, RI
  • NPI 1790221232
  NPD
• Lifespan Physician Group, Inc.

  • Emergency Medicine Physician
  • Providence, RI
  • NPI 1568325678
  NPD

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

• Umass Memorial Healthalliance Clinton Hospital Inc

  • General Acute Care Hospital
  • Leominster, MA
  • NPI 1013995133
  Care Compare affiliation
• Umass Memorial Healthalliance Clinton Hospital Inc

  • Psychiatric Hospital Unit
  • Clinton, MA
  • NPI 1285171934
  Care Compare affiliation
• The Miriam Hospital

  • General Acute Care Hospital
  • Providence, RI
  • NPI 1487649430
  Care Compare affiliation

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

{
    "created_epoch": "1617926400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775952000000",
    "number": "1194305789",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "281 LINCOLN ST",
            "address_2": "PROVIDER ENROLLMENT DEPARTMENT",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016052138",
            "telephone_number": "508-334-8015",
            "fax_number": "508-334-8105"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 LAKE AVE N",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016550002",
            "telephone_number": "508-421-1490",
            "fax_number": "508-421-1401"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DRIVER",
        "first_name": "LACHLAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-09",
        "last_updated": "2026-04-12",
        "certification_date": "2026-04-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "1013425",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "LACHLAN",
            "last_name": "DRIVER",
            "credential": "MD",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

• David L Drexler, M.D.
• Deborah E Dreyfus, MD
• Alanna Driscoll
• Christopher J Driscoll, MD
• Edward F Driscoll, M.D.
• Kara Drobnis, MSW, LCSW
• Carolyn Droser, LICSW
• DRS Darvish & Gallagher PC
• DRS Darvish & Moheban LLC
• DRS Fred McCready and John Lavoie

• Emergency Medicine Physician in Worcester, MA
• Providers in Worcester, MA by specialty
• Emergency Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 12, 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.