William Benjamin Feldmann, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

9800 Issued in NH

Practice address

22 Main St
Salem, NH 03079-5900

Phone

(603) 893-7905

Fax

(603) 898-6106

NPI assigned

Apr 19, 2006

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

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

Specialty

Internal MedicineAlso: Pediatric Medicine

Education

State University of New York Downstate Medical Center, 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• Parkland Medical Center Hospital, Derry, NH, CCN 300017
• Lahey Hospital & Medical Center, Burlington Hospital, Burlington, MA, CCN 220171
• Holy Family Hospital Hospital, Methuen, MA, CCN 220080

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Interoperability endpoints

• Direct secure messaging: william.feldmann.1@26191.direct.athenahealth.com
• Direct secure messaging: william.feldmann@614.chartlogic.direct-ci.com

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

• HCA Health Services of New Hampshire Inc

  • General Acute Care Hospital
  • Derry, NH
  • NPI 1174570683
  Care Compare affiliation
• Lahey Clinic Hospital, Inc.

  • General Acute Care Hospital
  • Burlington, MA
  • NPI 1558392563
  Care Compare affiliation
• LG Newcorp Inc

  • General Acute Care Hospital
  • Methuen, MA
  • NPI 1265267991
  Care Compare affiliation

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

{
    "created_epoch": "1145404800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1508821984",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12 GERRY LN",
            "city": "LONDONDERRY",
            "state": "NH",
            "postal_code": "030532296",
            "telephone_number": "603-434-5226",
            "fax_number": "603-898-6106"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 MAIN ST",
            "city": "SALEM",
            "state": "NH",
            "postal_code": "030795900",
            "telephone_number": "603-893-7905",
            "fax_number": "603-898-6106"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FELDMANN",
        "first_name": "WILLIAM",
        "middle_name": "BENJAMIN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-19",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NH",
            "license": "9800",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NH",
            "license": "9800",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jennifer Farrington
• Nicole Fass, RN, BSN
• Megan Fedele
• Brigid Feely
• Theresa Lea Feldmann, MD
• Randall Clark Fenton, M.D.
• Brian Fenyus
• James M Ferraiolo, DMD
• Stephanie Ferraro, BCBA
• Kathryn Fewell

• Internal Medicine Physician in Salem, NH
• Providers in Salem, NH by specialty
• Internal Medicine Physician in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.