Eileen M Madsen, RNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

001819 Issued in CT

Practice address

2015 W Main St
Stamford, CT 06902-4536

Phone

(203) 863-3671

Fax

(203) 863-4758

NPI assigned

Oct 19, 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

Medicare fee-for-service enrollment

Enrolled in CT

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, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Stamford Health Medical Group IncGroup PAC ID 6901099746, 442 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Stamford Hospital Hospital, Stamford, CT, CCN 070006

Merit-based Incentive Payment System (MIPS)

Final score

90.52 of 100Reported as group

Quality

86.81

Promoting interoperability

100

Improvement activities

40

Cost

77.34

Merit-based Incentive Payment System (MIPS)

Final score

86.6 of 100Reported as group

Quality

84.86

Promoting interoperability

99

Improvement activities

40

Cost

71.31

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: emadsen24250@stamfordhealth.direct-ci.com
• FHIR API: https://fhir4.healow.com/fhir/r4/ABCIBA

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.

• Stamford Health Medical Group Inc

  • General Practice Physician
  • Stamford, CT
  • NPI 1154633980
  Medicare reassignment Care Compare group NPD
• Greenwich Hospital

  • General Acute Care Hospital
  • Greenwich, CT
  • NPI 1609846088
  Medicare reassignment NPD
• Greenwich Hospital

  • Community Based Hospice Care Agency
  • Stanford, CT
  • NPI 1073637724
  NPD

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

• Stamford Hospital

  • General Acute Care Hospital
  • Stamford, CT
  • NPI 1356331425
  Care Compare affiliation

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

{
    "created_epoch": "1161216000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787270400000",
    "number": "1407937824",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29 HOSPITAL PLZ STE 604",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069023602",
            "telephone_number": "203-323-8989"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2015 W MAIN ST",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069024536",
            "telephone_number": "203-863-3671",
            "fax_number": "203-863-4758"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MADSEN",
        "first_name": "EILEEN",
        "middle_name": "M",
        "credential": "RNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-10-19",
        "last_updated": "2026-08-21",
        "certification_date": "2026-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CT",
            "license": "001819",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Djoser Mack
• Tama C Mackay, LMT, ART, CKTP
• Maher I Madhoun, MD
• Meenakshi Madhu I, DDS
• Tanya M Madrid, MD
• Suma Shankar Magge, MD
• Jacquelyn Magner, MS, CGC
• Nancy Jane Magnetti, LMFT
• Elizabeth Safiah Maharaj, LPCA
• Theresa R Mahon, MD

• Family Nurse Practitioner in Stamford, CT
• Providers in Stamford, CT by specialty
• Family Nurse Practitioner in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 21, 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.