Individual provider Active NPI

Maria J Gaines-Onwukwe, NURSE PRACTITIONER

  • Acute Care Nurse Practitioner
  • Aberdeen, MD
National Provider Identifier
1154009173
Registry record updated Aug 6, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Acute Care Nurse PractitionerTaxonomy code 363LA2100X
License
R183361 Issued in MD
Practice address
1013 Beards Hill Rd Ste 101M
Aberdeen, MD 21001-2295
Phone
(443) 655-3262
NPI assigned
Jul 10, 2023
Last updated
Aug 6, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 6, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 11

Specialty (taxonomy)CodeLicenseStatePrimary
Home Infusion Agency 251F00000X NU
Clinic/Center 261Q00000X NU
Point of Service 305S00000X NU
Point of Service 305S00000X R183361 MD
Acute Care Nurse Practitioner 363LA2100X R183361 MD Primary
Adult Health Nurse Practitioner 363LA2200X R183361 MD
Gerontology Nurse Practitioner 363LG0600X R183361 MD
Registered Nurse 163W00000X R183361 MD
Administrator Registered Nurse 163WA2000X R183361 MD
Case Management Registered Nurse 163WC0400X R183361 MD
Internal Medicine Physician 207R00000X R183361 MD

Addresses

Primary practice location

1013 Beards Hill Rd Ste 101M
Aberdeen, MD 21001-2295

Mailing address

1013 Beards Hill Rd Ste 101M
Aberdeen, MD 21001-2295
Phone (443) 655-3262

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20231101000028 MD Practitioner - Nurse Practitioner 2163878802 Reassigns benefits to 5 organizations
I20260429001017 DC Practitioner - Nurse Practitioner 2163878802 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Adfinitas Health at Upper Chesapeake Aberdeen LLCGroup PAC ID 8022475581, 44 clinicians

Practice addresses (Care Compare)

660 McHenry Rd
Aberdeen, MD 21001-2682
Phone (443) 843-5000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
86.36 of 100Reported as group
Quality
80.89
Improvement activities
40
Cost
75.39

Merit-based Incentive Payment System (MIPS)

Final score
73.85 of 100Reported as group
Quality
61.67
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
R183361MDMDAdult Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Adfinitas Health at Upper Chesapeake, LLC Single Specialty CurrentSince Oct 18, 2023 Accepting new patients
Adfinitas Health at Upper Chesapeake Aberdeen LLC Single Specialty CurrentSince Oct 18, 2023 Accepting new patients
Adfinitas Health at Upper Chesapeake Harford Memorial LLC Single Specialty CurrentSince Oct 18, 2023 Accepting new patients
Pearldahlia, LLC Registered Nurse CurrentSince Jul 16, 2023 Accepting new patients
Upper Chesapeake Medical Center, Inc. Single Specialty Past Accepting new patients

Locations

1013 Beards Hill Rd
Ste 101M
Aberdeen, MD 21001
Phone (443) 655-3262

660 McHenry Rd
Aberdeen, MD 21001
Phone (443) 643-1500

500 Upper Chesapeake Dr
Bel Air, MD 21014
Phone (443) 643-1000

501 S Union Ave
Hvre de Grace, MD 21078
Phone (301) 939-2400

Interoperability endpoints

  • Direct secure messaging: monwukwe252070@direct.umm.edu

Organizations & group practices 8

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1688947200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754438400000",
    "number": "1154009173",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1013 BEARDS HILL RD STE 101M",
            "city": "ABERDEEN",
            "state": "MD",
            "postal_code": "210012295",
            "telephone_number": "443-655-3262"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1013 BEARDS HILL RD STE 101M",
            "city": "ABERDEEN",
            "state": "MD",
            "postal_code": "210012295",
            "telephone_number": "443-655-3262"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GAINES-ONWUKWE",
        "first_name": "MARIA",
        "middle_name": "J",
        "credential": "NURSE PRACTITIONER",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-07-10",
        "last_updated": "2025-08-06",
        "certification_date": "2025-08-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "251F00000X",
            "taxonomy_group": "",
            "desc": "Home Infusion",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "261Q00000X",
            "taxonomy_group": "",
            "desc": "Clinic/Center",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "305S00000X",
            "taxonomy_group": "",
            "desc": "Point of Service",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "305S00000X",
            "taxonomy_group": "",
            "desc": "Point of Service",
            "state": "MD",
            "license": "R183361",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "MD",
            "license": "R183361",
            "primary": true
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "MD",
            "license": "R183361",
            "primary": false
        },
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "MD",
            "license": "R183361",
            "primary": false
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "MD",
            "license": "R183361",
            "primary": false
        },
        {
            "code": "163WA2000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Administrator",
            "state": "MD",
            "license": "R183361",
            "primary": false
        },
        {
            "code": "163WC0400X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Case Management",
            "state": "MD",
            "license": "R183361",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "R183361",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Aberdeen, MD

Sources for this page

Verify at the official NPI Registry.