Lyssa Merriam Petter, MS,RD,LDN

Primary specialty

Registered DietitianTaxonomy code 133V00000X

License

826 Issued in MA

Practice address

Caritas Holy Family Hospital 70 East Street
Convent Building
Methuen, MA 01844

Phone

(978) 687-0156

Fax

(978) 681-9075

NPI assigned

Sep 21, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in MA

Enrollment records 1

Specialty

Registered Dietitian Or Nutrition Professional

Education

New York University School of Medicine, 1987

Medicare assignment

May accept Medicare assignment

Group practices

Lifespan Physician Group of Massachusetts IncGroup PAC ID 3870020399, 458 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science

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 and National Provider Directory roles.

• Lifespan Physician Group of Massachusetts Inc

  • Family Medicine Physician
  • Taunton, MA
  • NPI 1235957713

  Dietitian, Registered

  Medicare reassignment Care Compare group NPD
• Steward Medical Group, Inc

  • Specialist
  • Watertown, MA
  • NPI 1629398219
  Medicare reassignment NPD
• Steward Medical Group, Inc

  • Specialist
  • Brighton, MA
  • NPI 1356654495
  NPD

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

{
    "created_epoch": "1158796800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781136000000",
    "number": "1710086277",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13 PINECREST RD",
            "city": "ANDOVER",
            "state": "MA",
            "postal_code": "018105712",
            "telephone_number": "978-687-0156",
            "fax_number": "978-681-9075"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "CARITAS HOLY FAMILY HOSPITAL 70 EAST STREET",
            "address_2": "CONVENT BUILDING",
            "city": "METHUEN",
            "state": "MA",
            "postal_code": "01844",
            "telephone_number": "978-687-0156",
            "fax_number": "978-681-9075"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PETTER",
        "first_name": "LYSSA",
        "middle_name": "MERRIAM",
        "credential": "MS,RD,LDN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-09-21",
        "last_updated": "2026-06-11",
        "certification_date": "2026-06-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "MA",
            "license": "826",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CDR ID #",
            "identifier": "701743",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DIETITIAN LICENSE #",
            "identifier": "826",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Perrault Chiropractic Offices, Inc
• Thomas S. Perrault Jr., D.C.
• Deborah A Peters, COTA
• Angela Peterson
• Michelle Jacquelyn Peterson, NP-C
• Jayne M Petzy, RN
• Laura Phan
• Janelle A Pinti
• James Peterson Plaisir Jr.
• Pleasant Dental Center, Inc.

• Registered Dietitian in Methuen, MA
• Providers in Methuen, MA by specialty
• Registered Dietitian in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.