Heather O'Mara

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

2015024591 Issued in MO

Practice address

615 S New Ballas Rd
Saint Louis, MO 63141-8221

Phone

(314) 651-6000

NPI assigned

Feb 10, 2016

Sex

Female

Sole proprietor

Yes

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 MO

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

Medicare enrollment (NPD)

Enrolled

State licenses

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 Clinic Adult Hospitalists - St. Louis, LLC

  • Internal Medicine Physician
  • Saint Louis, MO
  • NPI 1841235108
  Medicare reassignment NPD
• Mercy Hospitals East Communities

  • Clinic/Center
  • Saint Louis, MO
  • NPI 1851431738
  Medicare reassignment NPD
• Mercy Hospitals East Communities

  • Land Ambulance
  • Saint Louis, MO
  • NPI 1881329902
  NPD

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

{
    "created_epoch": "1455062400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773792000000",
    "number": "1962860510",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "111 RIVERFROST CT",
            "city": "O FALLON",
            "state": "MO",
            "postal_code": "633661972"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "615 S NEW BALLAS RD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418221",
            "telephone_number": "314-651-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'MARA",
        "first_name": "HEATHER",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2016-02-10",
        "last_updated": "2026-03-18",
        "certification_date": "2026-03-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "MO",
            "license": "2015024591",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Maddison Alise O'Leary, SLP
• Molly O'Leary, LPC
• Mary Kate O'Linn, R.N.
• Joan M. O'Malley, P.T.
• John O'Malley
• Elizabeth A O'Neal, DPT
• Jeanette O'Neal, PA-C
• Ronald E O'Neal, CRNA
• Micaela Erin O'Neil-Callahan, M.D.
• Sandra O'Neil-Callahan, WHNP-BC

• Acute Care Nurse Practitioner in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Acute Care Nurse Practitioner in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 18, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.