Teri M Marie O'Neil, FAMILY NURSE PRACTIT

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

R150040 Issued in MD

Practice address

Nurse Practitioner Association of Maryland-Office
5372 Iron Pen Place
Columbia, MD 21044

Phone

(443) 367-0277

Fax

(410) 772-7915

NPI assigned

Dec 13, 2007

Last updated

Mar 17, 2026By the provider in NPPES

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

Other identifiers 1

Other names 1

• Teri Marie Jefferson Former name

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MD

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

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/15509/brand/1/csg/1/fhir/r4
• Direct secure messaging: teri.o.neil.1@15509.direct.athenahealth.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Gaffar a Syed MD PA

  • Internal Medicine Physician
  • Frederick, MD
  • NPI 1720308398
  Medicare reassignment NPD
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)

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

{
    "created_epoch": "1197504000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773705600000",
    "number": "1528241585",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7614 IRONGATE LANE",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "21702",
            "telephone_number": "301-473-2556",
            "fax_number": "410-772-7915"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "NURSE PRACTITIONER ASSOCIATION OF MARYLAND-OFFICE",
            "address_2": "5372 IRON PEN PLACE",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "21044",
            "telephone_number": "443-367-0277",
            "fax_number": "410-772-7915"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'NEIL",
        "first_name": "TERI",
        "middle_name": "M MARIE",
        "name_prefix": "Mrs.",
        "credential": "FAMILY NURSE PRACTIT",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-12-13",
        "last_updated": "2026-03-17",
        "certification_date": "2026-03-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MD",
            "license": "R150040",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "098149400",
            "state": "MD"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "teri.o.neil.1@15509.direct.athenahealth.com",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "801 Toll House Ave Ste H4",
            "city": "Frederick",
            "state": "MD",
            "country_code": "US",
            "postal_code": "217014555",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "TERI",
            "last_name": "JEFFERSON",
            "middle_name": "MARIE",
            "credential": "MSN,FNP",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Aidan Joseph O'Maille, SLPA
• Bethany Loren O'Malley
• Michaela Patricia O'Malley, RN
• Casey O'Neal, RMP
• Ercilia Miguelina O'Neal, BCBA
• Christine O'Neill
• Kathryn Marie Gower O'Reilly, CNM
• Oak Tree Family Therapy Services
• Oak Tree Primary Care LLC
• Oak Tree Psychiatry, LLC

• Family Nurse Practitioner in Columbia, MD
• Providers in Columbia, MD by specialty
• Family Nurse Practitioner in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 17, 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.