Individual provider Active NPI

Mary Katherine Guay, PA-C

  • Physician Assistant
  • Baltimore, MD
National Provider Identifier
1790769008
Registry record updated Jan 24, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
C05161 Issued in MD
Practice address
1800 Orleans St
Baltimore, MD 21287-0010
Phone
(410) 502-2037
Fax
(410) 955-0737
NPI assigned
Nov 30, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 24, 2024

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 10001429A IN
Physician Assistant 363A00000X MA053807 PA
Physician Assistant 363A00000X 56513 CA
Physician Assistant 363A00000X C05161 MD Primary

Addresses

Primary practice location

1800 Orleans St
Baltimore, MD 21287-0010

Mailing address

6201 Greenleigh Ave
Middle River, MD 21220-2004
Phone (410) 933-6423

Other practice location 1

200 W Arbor Dr
San Diego, CA 92103-9000
Phone (800) 926-8273

Other identifiers 1

IdentifierTypeStateIssuer
C05161OtherMDMD LICENSE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, CA2 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
I20131120000502 MD Practitioner - Physician Assistant 5294882379 Reassigns benefits to 2 organizations
I20190424002764 CA Practitioner - Physician Assistant 5294882379 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare

Merit-based Incentive Payment System (MIPS)

Final score
83.31 of 100Reported as group
Quality
73.89
Promoting interoperability
100
Improvement activities
40
Cost
70.47

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
56513CAMDPhysician Assistant
10001429AINMDPhysician Assistant
C05161MDMDPhysician Assistant
MA053807PAMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Johns Hopkins University CurrentSince Oct 1, 2023 Accepting new patients
Johns Hopkins University CurrentSince Oct 7, 2022 Accepting new patients
Regents of the University of California CurrentSince Mar 5, 2019 Accepting new patients
Regents of the University of California CurrentSince Mar 5, 2019 Accepting new patients
Johns Hopkins University CurrentSince Oct 7, 2022 Accepting new patients
Johns Hopkins University CurrentSince Oct 1, 2023 Accepting new patients
Windber Hospital, Inc. Past Accepting new patients

Locations

200 W Arbor Dr
San Diego, CA 92103
Phone (619) 543-5754

600 N Wolfe St
Baltimore, MD 21287

1800 Orleans St
Baltimore, MD 21287
Phone (410) 502-2037

5755 Cedar Ln
Columbia, MD 21044
Phone (410) 381-7171

6201 Greenleigh Ave
Middle River, MD 21220
Phone (410) 933-2704

Interoperability endpoints

  • Direct secure messaging: mguay138427@direct.hopkinsmedicine.org

Organizations & group practices 9

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.

NPI Registry JSON

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

{
    "created_epoch": "1133308800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1706054400000",
    "number": "1790769008",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "MIDDLE RIVER",
            "state": "MD",
            "postal_code": "212202004",
            "telephone_number": "410-933-6423",
            "fax_number": "410-500-4266"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 ORLEANS ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870010",
            "telephone_number": "410-502-2037",
            "fax_number": "410-955-0737"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "200 W Arbor Dr",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921039000",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUAY",
        "first_name": "MARY",
        "middle_name": "KATHERINE",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-11-30",
        "last_updated": "2024-01-24",
        "certification_date": "2024-01-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IN",
            "license": "10001429A",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "PA",
            "license": "MA053807",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "56513",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MD",
            "license": "C05161",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MD LICENSE",
            "identifier": "C05161",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.