Elizabeth J Welch Marsh, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

12925 Issued in NH

Practice address

100 Hitchcock Way
Manchester, NH 03104-4125

Phone

(603) 695-2500

NPI assigned

Jul 5, 2005

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 NH, 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

Anesthesiology

Education

University of Vermont College of Medicine, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mass General Brigham Medical Group Western Massachusetts IncGroup PAC ID 2567359839, 291 clinicians

Dartmouth-Hitchcock ClinicGroup PAC ID 4183537509, 1,445 clinicians

Associated Physicians of Harvard Medical Faculty Physicians at Beth IsGroup PAC ID 6305749987, shared by 7 NPIs, 566 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Anna Jaques Hospital Hospital, Newburyport, MA, CCN 220029
• Cooley Dickinson Hospital Inc,the Hospital, Northampton, MA, CCN 220015
• Umass Memorial Medical Center/University Campus Hospital, Worcester, MA, CCN 220163

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: welchmarsh.elizabeth.mvh@direct.partners.masshiway.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.

• Dartmouth-Hitchcock Clinic

  • Internal Medicine Physician
  • Lebanon, NH
  • NPI 1548210198

  Anesthesiology

  Medicare reassignment Care Compare group NPD
• Mass General Brigham Medical Group Western Massachusetts Inc

  • Family Medicine Physician
  • Northampton, MA
  • NPI 1295787919
  Medicare reassignment Care Compare group NPD
• Anesthesia Care Group PC

  • Anesthesiology Physician
  • Manchester, NH
  • NPI 1629074224
  Medicare reassignment NPD
• Mary Hitchcock Memorial Hospital

  • General Acute Care Hospital
  • Lebanon, NH
  • NPI 1023092053
  Medicare reassignment NPD
• North American Partners in Anesthesia New Hampshire LLP

  • Anesthesiology Physician
  • Nashua, NH
  • NPI 1306838701
  Medicare reassignment NPD
• Associated Physicians of Harvard Medical Faculty Physicians at Beth Is

  • Diagnostic Radiology Physician
  • Milton, MA
  • NPI 1245773308
  Medicare reassignment NPD
• Associated Physicians of Harvard Medical Faculty Physicians at Beth Is

  • Emergency Medical Services (Emergency Medicine) Physician
  • Boston, MA
  • NPI 1952358533
  Medicare reassignment NPD
• Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1194765438
  Medicare reassignment NPD
• Umass Memorial Medical Group Inc

  • Internal Medicine Physician
  • Worcester, MA
  • NPI 1760445373

  Anesthesiology

  Medicare reassignment NPD
• Integrated Gastroenterology Consultants, PC

  • Physical Therapist
  • North Chelmsford, MA
  • NPI 1396075123
  Medicare reassignment
• Martha'S Vineyard Hospital, Inc.

  • Critical Access Hospital
  • Oak Bluffs, MA
  • NPI 1134206386
  Medicare reassignment
• Martha'S Vineyard Hospital, Inc.

  • Internal Medicine Physician
  • Oak Bluffs, MA
  • NPI 1194866210
  Medicare reassignment

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

• Anna Jaques Hospital

  • General Acute Care Hospital
  • Newburyport, MA
  • NPI 1992779482
  Care Compare affiliation
• Cooley Dickinson Hospital Inc

  • General Acute Care Hospital
  • Northampton, MA
  • NPI 1477596310
  Care Compare affiliation
• Cooley Dickinson Hospital Inc

  • Psychiatric Hospital Unit
  • Northampton, MA
  • NPI 1871512814
  Care Compare affiliation
• Umass Memorial Medical Center, Inc.

  • General Acute Care Hospital
  • Worcester, MA
  • NPI 1831151455
  Care Compare affiliation

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

{
    "created_epoch": "1120521600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755388800000",
    "number": "1619974680",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 655",
            "city": "EXETER",
            "state": "NH",
            "postal_code": "038330655"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 HITCHCOCK WAY",
            "city": "MANCHESTER",
            "state": "NH",
            "postal_code": "031044125",
            "telephone_number": "603-695-2500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5 Alumni Dr",
            "address_2": "Anesthesia Department",
            "address_purpose": "LOCATION",
            "city": "Exeter",
            "state": "NH",
            "postal_code": "038332128",
            "country_code": "US",
            "telephone_number": "603-580-6624",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "55 Lake Ave N",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016550002",
            "country_code": "US",
            "telephone_number": "508-856-3271",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WELCH MARSH",
        "first_name": "ELIZABETH",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-07-05",
        "last_updated": "2025-08-17",
        "certification_date": "2025-08-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MA",
            "license": "286869",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "NH",
            "license": "12925",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "30205542",
            "state": "NH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Andrew J. Wegman, L.AC. DIPL.AC.
• Marc A Weiner, MD
• Sheri Weiner, PTA
• Donald R Weiss, M.D.
• Linda Honey Weiss, MS RD LD
• Wellington Chiropractic PA
• Wellness Wheels Transportation LLC
• Morgan Kay Wells-Weigum
• Bonnie Marie Wells, BS
• Jo-Ellen Wells, LPN

• Anesthesiology Physician in Manchester, NH
• Providers in Manchester, NH by specialty
• Anesthesiology Physician in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 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.