NPIMap

Individual provider Active NPI

Mary Elizabeth Callsen

  • Internal Medicine Physician
  • Bethesda, MD
National Provider Identifier
1639137573
Registry record updated Jan 27, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
D0059499 Issued in MD
Practice address
7315 Wisconsin Ave
Bethesda, MD 20814-3202
Phone
(240) 235-9100
NPI assigned
May 2, 2006
Last updated
Jan 27, 2023By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 27, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X D0059499 MD Primary

Addresses

Primary practice location

7315 Wisconsin Ave
Bethesda, MD 20814-3202

Mailing address

6201 Greenleigh Ave
Baltimore, MD 21220-2004

Other practice location 1

7513 Wisconsin Ave
Suite 645
Chevy Chase, MD 20815-4404
Phone (301) 656-4545

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100525000299 DC Practitioner - Internal Medicine 5395874655 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Ohio State University College of Medicine, 1981
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

14207 Park Ctr Dr
Suite 102
Laurel, MD 20707-5255
Phone (301) 604-5254

6410 Rockledge Dr
Suite 600
Bethesda, MD 20817-1844

7315 Wisconsin Ave
Suite 700
Bethesda, MD 20814-3202
Phone (240) 235-9100

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
D0059499MDMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Johns Hopkins Community Physicians, Inc Internal Medicine CurrentSince Nov 22, 2010 Accepting new patients
Johns Hopkins Community Physicians Internal Medicine CurrentSince Nov 22, 2010 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

3100 Wyman Park Dr
Baltimore, MD 21211
Phone (410) 338-3000

14207 Park Center Dr
Ste 102
Laurel, MD 20707
Phone (301) 604-5254

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

9910 Franklin Square Dr
#2110
Nottingham, MD 21236
Phone (410) 933-5412

Interoperability endpoints

  • Direct secure messaging: mcallsen6906@direct.hopkinsmedicine.org

Organizations & group practices 5

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 5

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": "1146528000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1674777600000",
    "number": "1639137573",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212202004"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7315 WISCONSIN AVE",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208143202",
            "telephone_number": "240-235-9100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7513 Wisconsin Ave",
            "address_2": "Suite 645",
            "address_purpose": "LOCATION",
            "city": "Chevy Chase",
            "state": "MD",
            "postal_code": "208154404",
            "country_code": "US",
            "telephone_number": "301-656-4545",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CALLSEN",
        "first_name": "MARY",
        "middle_name": "ELIZABETH",
        "name_prefix": "Dr.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-02",
        "last_updated": "2023-01-27",
        "certification_date": "2023-01-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D0059499",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bethesda, MD

Sources for this page

Verify at the official NPI Registry.