Janet Groth, NP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

155022 Issued in MA

Practice address

35 Congress St
Salem, MA 01970

Phone

(978) 825-7124

Fax

(978) 741-3890

NPI assigned

May 10, 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 1

Medicare fee-for-service enrollment

Enrolled in MA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mass General Brigham Medical Group Northern Massachusetts IncGroup PAC ID 3577467224, 817 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• North Shore Medical Center - Hospital, Salem, MA, CCN 220035
• Massachusetts General Hospital Hospital, Boston, MA, CCN 220071

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Practitioner, Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: groth.janet.nsmc@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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Mass General Brigham Medical Group Northern Massachusetts Inc

  • Emergency Medicine Physician
  • Salem, MA
  • NPI 1588606123
  Medicare reassignment Care Compare group
• North Shore Medical Center, Inc.

  dba Salem Hospital

  • General Acute Care Hospital
  • Salem, MA
  • NPI 1730121633
  NPD

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

• North Shore Medical Center, Inc.

  dba Salem Hospital

  • General Acute Care Hospital
  • Salem, MA
  • NPI 1730121633
  Care Compare affiliation
• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Care Compare affiliation

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

{
    "created_epoch": "1147219200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1841240074",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 930",
            "city": "SALEM",
            "state": "MA",
            "postal_code": "01970",
            "telephone_number": "978-825-7124",
            "fax_number": "978-741-3890"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "35 CONGRESS ST",
            "city": "SALEM",
            "state": "MA",
            "postal_code": "01970",
            "telephone_number": "978-825-7124",
            "fax_number": "978-741-3890"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GROTH",
        "first_name": "JANET",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-10",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MA",
            "license": "155022",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0383881",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Heinz Grohs
• Christine E Gross, PA-C
• Robin S Gross, M.D.
• Grosvenor Park Health Center, LLC (Grosvenor Park Health Center)
• Grosvenor Park Nursing Center, Inc
• Anna Gruca
• Sasha Pierina Grullon, NP
• Guardian Health Network Corporation
• Veronica Guarino, MSW
• Alla Mikhaylovna Guenin, MD

• Nurse Practitioner in Salem, MA
• Providers in Salem, MA by specialty
• Nurse Practitioner in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.