Individual provider Active NPI

Marianne H Cowley, MD

  • Ophthalmology Physician
  • Baltimore, MD
National Provider Identifier
1811964448
Registry record updated Feb 28, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
D55897 Issued in MD
Practice address
600 N Wolfe St
Baltimore, MD 21287-0005
Phone
(410) 955-5000
NPI assigned
Mar 2, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 28, 2023

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X 24468 KY
Ophthalmology Physician 207W00000X D55897 MD Primary

Addresses

Primary practice location

600 N Wolfe St
Baltimore, MD 21287-0005

Mailing address

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

Other practice location 1

3103 Breckenridge Ln
Ste 2
Louisville, KY 40220
Phone (502) 499-8980

Other identifiers 2

IdentifierTypeStateIssuer
100394270AMedicaidIN
64244684MedicaidKY

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: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20230313001643 MD Practitioner - Ophthalmology 3173590551 Reassigns benefits to 1 organization
I20230420001283 DC Practitioner - Ophthalmology 3173590551 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
Other, 1982
Medicare assignment
May accept Medicare assignment
Group practices
Johns Hopkins UniversityGroup PAC ID 8921903147, 2,886 clinicians
Johns Hopkins UniversityGroup PAC ID 1052223229, 196 clinicians

Practice addresses (Care Compare)

161 Thomas Johnson Dr
Suite 275
Frederick, MD 21702-4314
Phone (301) 620-9268

6201 Greenleigh Ave
Middle River, MD 21220-2004

Hospital & facility affiliations

  • Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009

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
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
D55897MDMDOphthalmology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Johns Hopkins University Current Accepting new patients
Johns Hopkins University CurrentSince Apr 1, 2023 Accepting new patients
Johns Hopkins University Ophthalmology CurrentSince Apr 1, 2023 Accepting new patients
Johns Hopkins University CurrentSince Apr 1, 2023 Accepting new patients
Johns Hopkins University Ophthalmology CurrentSince Apr 1, 2023 Accepting new patients
Eye Specialists of Louisville, P.S.C. Ophthalmology PastSince Apr 1, 2018 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

600 N Wolfe St
Baltimore, MD 21287

8600 Old Georgetown Rd
Bethesda, MD 20814
Phone (301) 896-2578

161 Thomas Johnson Dr
Ste 275
Frederick, MD 21702
Phone (301) 320-9268

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

10751 Falls Rd
Timonium, MD 21093
Phone (410) 583-2727

Interoperability endpoints

  • Direct secure messaging: mcowley1083302@direct.hopkinsmedicine.org

Organizations & group practices 7

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.

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": "1141257600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1677542400000",
    "number": "1811964448",
    "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": "600 N WOLFE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870005",
            "telephone_number": "410-955-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3103 Breckenridge Ln",
            "address_2": "Ste 2",
            "address_purpose": "LOCATION",
            "city": "Louisville",
            "state": "KY",
            "postal_code": "40220",
            "country_code": "US",
            "telephone_number": "502-499-8980",
            "fax_number": "502-499-8294",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "COWLEY",
        "first_name": "MARIANNE",
        "middle_name": "H",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-02",
        "last_updated": "2023-02-28",
        "certification_date": "2023-02-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "KY",
            "license": "24468",
            "primary": false
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "MD",
            "license": "D55897",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100394270A",
            "state": "IN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "64244684",
            "state": "KY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.