Marylou Killian, NP

Primary specialty

Primary Care Nurse PractitionerTaxonomy code 363LP2300X

License

F331319 Issued in NY

Practice address

42084 State Highway 28
Margaretville, NY 12455-2820

Phone

(845) 586-2631

Fax

(845) 586-2976

NPI assigned

May 20, 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 NY

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, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Optum Medical Care PCGroup PAC ID 9931013240, 1,013 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H1722

Interoperability endpoints

• Direct secure messaging: mkillian145162@direct.optum.com

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.

• Optum Medical Care, P.C.

  dba CareMount Medical, P.C.

  • Cardiovascular Disease Physician
  • Mount Kisco, NY
  • NPI 1982643003
  Medicare reassignment Care Compare group NPD
• Emergency Physician Services of New York, P.C.

  • Emergency Medicine Physician
  • Poughkeepsie, NY
  • NPI 1093759847
  Medicare reassignment NPD
• Exigence Medical of Binghamton PLLC

  • Emergency Medical Services (Emergency Medicine) Physician
  • Binghamton, NY
  • NPI 1659464758
  Medicare reassignment NPD
• Optum Medical Care, P.C.

  • Durable Medical Equipment & Medical Supplies
  • New Hyde Park, NY
  • NPI 1053190595
  NPD
• Hudson Valley Emergency Medicine PLLC

  • General Practice Physician
  • Poughkeepsie, NY
  • NPI 1093746505
  NPD (past)
• Mount Kisco Medical Group

  • Hematology (Internal Medicine) Physician
  • Fishkill, NY
  • NPI 1952356362
  NPD (past)
• Saint Francis Hospital / Medicine

  • Hospitalist Physician
  • Poughkeepsie, NY
  • NPI 1528167442
  NPD (past)

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

{
    "created_epoch": "1148083200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1154375533",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "42084 STATE HIGHWAY 28",
            "city": "MARGARETVILLE",
            "state": "NY",
            "postal_code": "124552820",
            "telephone_number": "845-586-2631",
            "fax_number": "845-586-2976"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "42084 STATE HIGHWAY 28",
            "city": "MARGARETVILLE",
            "state": "NY",
            "postal_code": "124552820",
            "telephone_number": "845-586-2631",
            "fax_number": "845-586-2976"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KILLIAN",
        "first_name": "MARYLOU",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-20",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP2300X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Primary Care",
            "state": "NY",
            "license": "F331319",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Susan Rose Fairbairn, COTA
• Khurram Farooq, M.D.
• Hudson Valley Foot Associates, LLP
• Tanjia Hynes, FNP
• Carly Ann Jones, DPT
• Leanne Legg, OT
• Virginia W Leitner
• Llobet Medical Group PLLC (Llobet Medical)
• Holly Llobet, M.D.
• Judith Marianna Magloczki, D.O.

• Primary Care Nurse Practitioner in Margaretville, NY
• Providers in Margaretville, NY by specialty
• Primary Care Nurse Practitioner in New York

• 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.