Megan O'Brien

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

A155600 Issued in IA

Practice address

3701 Katz Dr
Marion, IA 52302-3871

Phone

(319) 377-9443

NPI assigned

Aug 16, 2019

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 IA

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, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mercy Physician Associates IncGroup PAC ID 1355242496, 103 clinicians

Mercy Care Management, IncGroup PAC ID 2466343363, 35 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Home Care Home health agency, Cedar Rapids, IA, CCN 167151
• Mercy Medical Center - Cedar Rapids Hospital, Cedar Rapids, IA, CCN 160079
• St Lukes Hospital Hospital, Cedar Rapids, IA, CCN 160045

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

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.

• Mercy Care Management, Inc

  • Family Medicine Physician
  • Cedar Rapids, IA
  • NPI 1467659268
  Medicare reassignment Care Compare group NPD
• Mercy Physician Associates, Inc

  • Family Medicine Physician
  • Cedar Rapids, IA
  • NPI 1427254952
  Medicare reassignment Care Compare group NPD
• Mercy Care Management, Inc

  • Family Medicine Physician
  • Cedar Rapids, IA
  • NPI 1306042890
  NPD
• Mercy Physician Associates Inc

  • Family Medicine Physician
  • Cedar Rapids, IA
  • NPI 1619554086
  NPD
• Mercy Physician Associates, Inc

  • Family Medicine Physician
  • North Liberty, IA
  • NPI 1306118310
  NPD

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

• Mercy Medical Center

  • Home Health Agency
  • Cedar Rapids, IA
  • NPI 1639119332
  Care Compare affiliation
• Mercy Medical Center

  • General Acute Care Hospital
  • Cedar Rapids, IA
  • NPI 1720029333
  Care Compare affiliation
• St Luke'S Methodist Hospital

  • General Acute Care Hospital
  • Cedar Rapids, IA
  • NPI 1083708226
  Care Compare affiliation

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

{
    "created_epoch": "1565913600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769644800000",
    "number": "1760038509",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3701 KATZ DR",
            "city": "MARION",
            "state": "IA",
            "postal_code": "523023871",
            "telephone_number": "319-377-9443"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3701 KATZ DR",
            "city": "MARION",
            "state": "IA",
            "postal_code": "523023871",
            "telephone_number": "319-377-9443"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5264 Council St NE",
            "address_purpose": "LOCATION",
            "city": "Cedar Rapids",
            "state": "IA",
            "postal_code": "524022471",
            "country_code": "US",
            "telephone_number": "319-221-8444",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "MEGAN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-08-16",
        "last_updated": "2026-01-29",
        "certification_date": "2026-01-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IA",
            "license": "A155600",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Eugene Louis Nassif Jr., DPM
• Colby T Nelson, D.C.
• Nimble Transport Enterprise LLC
• Peter George Nopoulos, DDS
• Gregory O'Brien, D.P.T, CSCS
• Tammy Ann Odell, PHARMD
• Kendall Ann Oldham, DDS
• Ashley Oleary
• Opco Marion, Ia, LLC
• Jessica Lee Otter, L.M.T.

• Family Nurse Practitioner in Marion, IA
• Providers in Marion, IA by specialty
• Family Nurse Practitioner in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 29, 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.