Individual provider Active NPI

Cassidy Claassen, M.D.

  • Hospitalist Physician
  • Baltimore, MD
National Provider Identifier
1477796696
Registry record updated Feb 1, 2013
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
D74704 Issued in MD
Practice address
22 S Greene St
Baltimore, MD 21201-1544
Phone
(410) 328-2882
Fax
(410) 328-2977
NPI assigned
Apr 17, 2009
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 1, 2013

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X D74704 MD Primary

Addresses

Primary practice location

22 S Greene St
Baltimore, MD 21201-1544

Mailing address

PO Box 64442
Baltimore, MD 21264-4442
Phone (410) 328-2882

Other identifiers 2

IdentifierTypeStateIssuer
S062-0489OtherMDCAREFIRST BC/BS
335424500MedicaidMD

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD
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 1

Enrollment IDStateProvider typePAC IDDetails
I20121012000300 MD Practitioner - Infectious DiseasePractitioner - Internal Medicine 6901055631 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Infectious DiseaseAlso: Internal Medicine
Education
University of Maryland School of Medicine, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

22 S Green St
Baltimore, MD 21201-1544
Phone (410) 328-8040

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
University of Maryland Physicians P.a. Current Accepting new patients
University of Maryland Physicians P.a. Current Accepting new patients
University of Maryland Physicians P.a. CurrentSince Sep 1, 2012 Accepting new patients
University of Maryland Physicians PA Current Accepting new patients
University of Maryland Medical Center, LLC Past Accepting new patients

Locations

22 S Greene St
Baltimore, MD 21201
Phone (410) 328-5793

Interoperability endpoints

  • Direct secure messaging: cclaassen85531@direct.umm.edu

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 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": "1239926400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1359676800000",
    "number": "1477796696",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 64442",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212644442",
            "telephone_number": "410-328-2882",
            "fax_number": "410-328-2977"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011544",
            "telephone_number": "410-328-2882",
            "fax_number": "410-328-2977"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CLAASSEN",
        "first_name": "CASSIDY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-04-17",
        "last_updated": "2013-02-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MD",
            "license": "D74704",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST BC/BS",
            "identifier": "S062-0489",
            "state": "MD"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "335424500",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.