Individual provider Active NPI

Mary Elizabeth Markarian-Barrett

  • Certified Registered Nurse Anesthetist
  • Washington, DC
National Provider Identifier
1528056041
Registry record updated Mar 9, 2012
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
RN963902 Issued in DC
Practice address
3800 Reservoir Rd NW
Washington, DC 20007-2113
Phone
(202) 444-2746
NPI assigned
Oct 10, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 9, 2012

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X RN963902 DC Primary

Addresses

Primary practice location

3800 Reservoir Rd NW
Washington, DC 20007-2113

Mailing address

PO Box 418283
Boston, MA 02241-8283
Phone (703) 558-1544

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, MD2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20120223000572 DC Practitioner - Certified Registered Nurse Anesthetist (Crna) 3870751779 Reassigns benefits to 4 organizations
I20200302002462 MD Practitioner - Certified Registered Nurse Anesthetist (Crna) 3870751779 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians

Practice addresses (Care Compare)

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

3007 Tilden St NW
Suite 5N
Washington, DC 20008-3030

Hospital & facility affiliations

  • Medstar Montgomery Medical Center Hospital, Olney, MD, CCN 210018

Merit-based Incentive Payment System (MIPS)

Final score
63.85 of 100Reported as group
Quality
57.47
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
Medstar Medical Group Anesthesiology LLC CurrentSince May 1, 2018 Accepting new patients
Medstar Medical Group II LLC CurrentSince Dec 1, 2024 Accepting new patients
Medstar Medical Group Anesthesiology LLC CurrentSince May 1, 2018 Accepting new patients
First Colonies Anesthesia Associates, LLC Nurse Anesthetist, Certified Registered CurrentSince Feb 10, 2020 Accepting new patients
Centers for Advanced Orthopaedics, LLC CurrentSince May 2, 2016 Accepting new patients
Medstar Medical Group II LLC CurrentSince Dec 1, 2024 Accepting new patients
Centers for Advanced Orthopaedics, LLC CurrentSince May 2, 2016 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

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

3800 Reservoir Rd NW
Washington, DC 20007
Phone (202) 687-2203

851 Trafalgar Ct
Ste 200E
Maitland, FL 32751
Phone (321) 422-7155

7503 Surratts Rd
Clinton, MD 20735
Phone (301) 868-8000

400 W 7th St
Frederick, MD 21701
Phone (240) 566-3300

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

3414 Olandwood Ct
Olney, MD 20832
Phone (301) 774-0500

46 W Gude Dr
Rockville, MD 20850
Phone (240) 750-6170

11210 Old Georgetown Rd
#12202
Rockville, MD 20852
Phone (301) 881-7770

11210 Old Georgetown Rd
Rockville, MD 20852
Phone (301) 881-7770

8322 Bellona Ave
Ste 201
Towson, MD 21204
Phone (410) 337-2688

Organizations & group practices 28

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.

View all 28

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": "1128902400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1331251200000",
    "number": "1528056041",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 418283",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022418283",
            "telephone_number": "703-558-1544"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3800 RESERVOIR RD NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200072113",
            "telephone_number": "202-444-2746"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARKARIAN-BARRETT",
        "first_name": "MARY",
        "middle_name": "ELIZABETH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-10-10",
        "last_updated": "2012-03-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "DC",
            "license": "RN963902",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 9, 2012; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.