Individual provider Active NPI

William E Maher, M.D.

  • Gastroenterology Physician
  • Somersworth, NH
National Provider Identifier
1477550739
Registry record updated Sep 30, 2011
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
10956 Issued in NH
Practice address
21 Clark Way
Somersworth, NH 03878-4401
Phone
(603) 692-2228
Fax
(603) 743-6732
NPI assigned
Jul 1, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 30, 2011

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 10956 NH Primary

Addresses

Primary practice location

21 Clark Way
Somersworth, NH 03878-4401

Mailing address

21 Clark Way
Somersworth, NH 03878-4401
Phone (603) 692-2228

Other identifiers 1

IdentifierTypeStateIssuer
30201062MedicaidNH

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NH
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

Enrollment IDStateProvider typePAC IDDetails
I20041001000052 NH Practitioner - Gastroenterology 5991693392 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Rutgers New Jersey Medical School, 1992
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Atlantic Digestive Specialists PLLCGroup PAC ID 0941198329, 17 clinicians

Practice addresses (Care Compare)

21 Clark Way
Somersworth, NH 03878-4401
Phone (603) 692-2228

Hospital & facility affiliations

  • Wentworth-Douglass Hospital Hospital, Dover, NH, CCN 300018
  • Portsmouth Regional Hospital Hospital, Portsmouth, NH, CCN 300029
  • York Hospital Hospital, York, ME, CCN 200020
  • Frisbie Memorial Hospital Hospital, Rochester, NH, CCN 300014
  • Huggins Hospital Hospital, Wolfeboro, NH, CCN 301312

Merit-based Incentive Payment System (MIPS)

Final score
75 of 100Reported as group

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy302
Upper gastrointestinal (GI) endoscopy for acid reflux211

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Atlantic Digestive Specialists, PLLC Gastroenterology CurrentSince Jun 30, 2008 Accepting new patients
Wentworth Surgery Center, LLC PastSince Jan 2, 2022 Accepting new patients

Locations

330 Borthwick Ave
Ste 311
Portsmouth, NH 03801
Phone (603) 433-2488

21 Clark Way
#108
Somersworth, NH 03878

21 Clark Way
Somersworth, NH 03878
Phone (603) 692-2228

Interoperability endpoints

  • FHIR API: https://fhir-api.fhirprod.aws.greenwayhealth.com/fhir/R4/2.16.840.1.113883.3.140.72809
  • Direct secure messaging: williammaher@atlanticdigestive.directbygreenway.com

Organizations & group practices 2

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.

Hospital & facility affiliations 8

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

NPI Registry JSON

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

{
    "created_epoch": "1120176000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1317340800000",
    "number": "1477550739",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "21 CLARK WAY",
            "city": "SOMERSWORTH",
            "state": "NH",
            "postal_code": "038784401",
            "telephone_number": "603-692-2228",
            "fax_number": "603-743-6732"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "21 CLARK WAY",
            "city": "SOMERSWORTH",
            "state": "NH",
            "postal_code": "038784401",
            "telephone_number": "603-692-2228",
            "fax_number": "603-743-6732"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAHER",
        "first_name": "WILLIAM",
        "middle_name": "E",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-01",
        "last_updated": "2011-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NH",
            "license": "10956",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "30201062",
            "state": "NH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Somersworth, NH

Sources for this page

Verify at the official NPI Registry.