Leanna Eleanor Patterson, FNP-BC, MSN, RN

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

RN2316381 Issued in MA

Practice address

131 Old Road to 9 Acre Cor Ste 830
Concord, MA 01742-4191

Phone

(978) 371-1396

Fax

(978) 371-8277

NPI assigned

Jul 30, 2020

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

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, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

A.F.a. Obstetrics and Gynecology, P.C.Group PAC ID 6406950542, 14 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Emerson Hospital - Hospital, W Concord, MA, CCN 220084

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science - Nursing, Nurse Practitioner, Registered Nurse

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: patterson.leanna.epho@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.

• Afa Midwifery, Obstetrics & Gynecology

  • Obstetrics & Gynecology Physician
  • Concord, MA
  • NPI 1598872426
  Medicare reassignment Care Compare group NPD
• Emerson Hospital

  • General Acute Care Hospital
  • Concord, MA
  • NPI 1467587881
  NPD

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

• Emerson Hospital

  • General Acute Care Hospital
  • Concord, MA
  • NPI 1922103357
  Care Compare affiliation

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

{
    "created_epoch": "1596067200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781136000000",
    "number": "1831708361",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "131 OLD ROAD TO 9 ACRE COR STE 830",
            "city": "CONCORD",
            "state": "MA",
            "postal_code": "017424191",
            "telephone_number": "978-371-1396",
            "fax_number": "978-371-8277"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "131 OLD ROAD TO 9 ACRE COR STE 830",
            "city": "CONCORD",
            "state": "MA",
            "postal_code": "017424191",
            "telephone_number": "978-371-1396",
            "fax_number": "978-371-8277"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PATTERSON",
        "first_name": "LEANNA",
        "middle_name": "ELEANOR",
        "credential": "FNP-BC, MSN, RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-07-30",
        "last_updated": "2026-06-11",
        "certification_date": "2026-06-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MA",
            "license": "RN2316381",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MA",
            "license": "RN2316381",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Keshav Parthasarathy, M.D.
• Wyatt Tucker Pasco
• Janice Patel, MD
• Rina M Patel, PMHNP-BC
• Erin Patisteas, CPNP, NP-C
• Meredith Beit Patterson, LICSW, CMC
• Anna Kelleen Patton, RN
• Paul D. Lafontaine, M.D., P.C.
• Julie Ann Paul, CNP, CMP
• Elizabeth Payeur

• Family Nurse Practitioner in Concord, MA
• Providers in Concord, MA by specialty
• Family Nurse Practitioner 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; 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.