Catherine M Lyden, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

CNP121026 Issued in ME

Practice address

100 Foden Rd # 103
South Portland, ME 04106-2327

Phone

(207) 828-1122

Fax

(207) 828-0188

NPI assigned

Jun 25, 2012

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

Medicare fee-for-service enrollment

Enrolled in ME

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, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Chest Medicine Associates PAGroup PAC ID 0547258931, 30 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

97.93 of 100Reported as apm

Quality

83.31

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: catherine.lyden.p1@direct.cma.nextgenshare.com
• Direct secure messaging: clyden10452@direct.mmc.mainehealth.org

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.

• Chest Medicine Associates, PA

  • Pulmonary Disease Physician
  • South Portland, ME
  • NPI 1437255247
  Medicare reassignment Care Compare group NPD
• Maine Medical Partners

  • Pediatrics Physician
  • Saco, ME
  • NPI 1134144090
  Medicare reassignment NPD
• Maine Medical Partners

  • Surgery Physician
  • Scarborough, ME
  • NPI 1346687167
  NPD
• Maine Medical Partners

  • Neurological Surgery Physician
  • Scarborough, ME
  • NPI 1659351393

  Family

  NPD
• Mainehealth

  • Community/Retail Pharmacy
  • Portland, ME
  • NPI 1013868181
  NPD
• Mainehealth

  • Psychiatric Hospital
  • Westbrook, ME
  • NPI 1790265502
  NPD
• Mainehealth

  • Gynecologic Oncology Physician
  • Scarborough, ME
  • NPI 1851605455

  Family

  NPD

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

{
    "created_epoch": "1340582400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774310400000",
    "number": "1841553872",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "301C US ROUTE 1",
            "city": "SCARBOROUGH",
            "state": "ME",
            "postal_code": "040749701",
            "telephone_number": "207-396-8600",
            "fax_number": "207-396-8632"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 FODEN RD # 103",
            "city": "SOUTH PORTLAND",
            "state": "ME",
            "postal_code": "041062327",
            "telephone_number": "207-828-1122",
            "fax_number": "207-828-0188"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "49 Spring St",
            "address_purpose": "LOCATION",
            "city": "Scarborough",
            "state": "ME",
            "postal_code": "040748926",
            "country_code": "US",
            "telephone_number": "207-885-0011",
            "fax_number": "207-885-5851",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LYDEN",
        "first_name": "CATHERINE",
        "middle_name": "M",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-06-25",
        "last_updated": "2026-03-24",
        "certification_date": "2026-03-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "ME",
            "license": "CNP121026",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ryan A Lucas, A.T.C.
• Kelly Luger, LMT
• Eliza G Lussier, MSPT
• Eric Lutz, MSW
• Luxottica of America Inc.
• Lynch Chiropractic Arts Center, LLC
• Robert Peter Lynch Jr., D.C.
• Cara B Lyon, PT, DPT
• Killian David Maccarthy, DMD MD
• Patricia B Macdonald, LCPC, RN

• Family Nurse Practitioner in South Portland, ME
• Providers in South Portland, ME by specialty
• Family Nurse Practitioner in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 24, 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.