Individual provider Active NPI

Marissa Mallari Magtanong, NP

  • Nurse Practitioner
  • Glen Burnie, MD
National Provider Identifier
1083101810
Registry record updated Apr 17, 2018
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
R160195 Issued in MD
Practice address
665 Rhone CT
Glen Burnie, MD 21061-4820
Phone
(410) 760-4128
NPI assigned
Apr 17, 2018
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 17, 2018

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X R160195 MD Primary

Addresses

Primary practice location

665 Rhone CT
Glen Burnie, MD 21061-4820

Mailing address

665 Rhone CT
Glen Burnie, MD 21061-4820
Phone (410) 760-4128

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC
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

Enrollment IDStateProvider typePAC IDDetails
I20191105002639 DC Practitioner - Nurse Practitioner 9335471655 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Medstar Heart Institute LLCGroup PAC ID 5698932960, 308 clinicians
Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians

Practice addresses (Care Compare)

110 Irving St NW
Washington, DC 20010-3017
Phone (202) 877-2851

1145 19TH St NW
311 MMG at 19TH Street NW
Washington, DC 20036-3735
Phone (202) 429-2401

18101 Prince Philip Dr
Olney, MD 20832-1514
Phone (301) 570-7404

18105 Prince Philip Dr
Olney, MD 20832-1514
Phone (301) 774-8962

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
85.94 of 100Reported as group
Quality
66.29
Promoting interoperability
100
Improvement activities
40
Cost
74.65

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
R160195MDMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Washington Hospital Center Corp Current Accepting new patients
Medstar Medical Group II LLC CurrentSince Sep 2, 2025 Accepting new patients
Washington Hospital Center Corp Nurse Practitioner CurrentSince Jul 29, 2019 Accepting new patients
Medstar Heart Institute LLC CurrentSince Jan 2, 2023 Accepting new patients
Medstar Medical Group II LLC CurrentSince Sep 2, 2025 Accepting new patients
Washington Hospital Center Corp CurrentSince Jul 29, 2019 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Medstar Medical Group II LLC Past Accepting new patients

Locations

1145 19th St NW
Ste 311
Washington, DC 20036
Phone (202) 429-2401

110 Irving St NW
Washington, DC 20010
Phone (202) 877-2000

18101 Prince Philip Dr
Ste 5200
Olney, MD 20832
Phone (301) 570-7455

18101 Prince Philip Dr
#5200
Olney, MD 20832

18101 Prince Philip Dr
Olney, MD 20832
Phone (301) 774-8618

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 3

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": "1523923200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1523923200000",
    "number": "1083101810",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "665 RHONE CT",
            "city": "GLEN BURNIE",
            "state": "MD",
            "postal_code": "210614820",
            "telephone_number": "410-760-4128"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "665 RHONE CT",
            "city": "GLEN BURNIE",
            "state": "MD",
            "postal_code": "210614820",
            "telephone_number": "410-760-4128"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAGTANONG",
        "first_name": "MARISSA",
        "middle_name": "MALLARI",
        "credential": "NP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-04-17",
        "last_updated": "2018-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MD",
            "license": "R160195",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Glen Burnie, MD

Sources for this page

Verify at the official NPI Registry.