Individual provider Active NPI

Alhareth Alsagban, MD

  • Hospitalist Physician
  • Baltimore, MD
National Provider Identifier
1225658305
Registry record updated Jul 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
D97799 Issued in MD
Practice address
5200 Eastern Ave FL Tower2
Baltimore, MD 21224-2734
Phone
(410) 550-5018
Fax
(410) 550-2972
NPI assigned
Apr 20, 2020
Last updated
Jul 16, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 16, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X D97799 MD Primary
Pulmonary Disease Physician 207RP1001X 4301517846 MI

Addresses

Primary practice location

5200 Eastern Ave FL Tower2
Baltimore, MD 21224-2734

Mailing address

100 Michigan St NE
Grand Rapids, MI 49503-2560
Phone (410) 933-6423

Other practice location 1

5700 E Highway 90
Sierra Vista, AZ 85635-9110
Phone (520) 263-2000

Other practice location 2

100 Michigan St NE
Grand Rapids, MI 49503-2560
Phone (616) 732-6200

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: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230821002488 MD Practitioner - Hospitalist 7416319512 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Johns Hopkins UniversityGroup PAC ID 4981745098, 711 clinicians

Practice addresses (Care Compare)

4940 Eastern Ave
Baltimore, MD 21224-2735
Phone (410) 550-0100

600 N Wolf St
Baltimore, MD 21287-0005
Phone (410) 955-5000

6201 Greenleigh Ave
Middle River, MD 21220-2004

Hospital & facility affiliations

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
D97799MDMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Johns Hopkins University CurrentSince Aug 1, 2023 Accepting new patients
Johns Hopkins University Hospitalist CurrentSince Aug 1, 2023 Accepting new patients

Locations

600 N Wolfe St
Baltimore, MD 21287

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

Interoperability endpoints

  • Direct secure messaging: aalsagban1129567@direct.hopkinsmedicine.org

Organizations & group practices 2

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 3

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": "1587340800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784160000000",
    "number": "1225658305",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560",
            "telephone_number": "410-933-6423"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5200 EASTERN AVE FL TOWER2",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212242734",
            "telephone_number": "410-550-5018",
            "fax_number": "410-550-2972"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5700 E Highway 90",
            "address_purpose": "LOCATION",
            "city": "Sierra Vista",
            "state": "AZ",
            "postal_code": "856359110",
            "country_code": "US",
            "telephone_number": "520-263-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "100 Michigan St NE",
            "address_purpose": "LOCATION",
            "city": "Grand Rapids",
            "state": "MI",
            "postal_code": "495032560",
            "country_code": "US",
            "telephone_number": "616-732-6200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALSAGBAN",
        "first_name": "ALHARETH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-20",
        "last_updated": "2026-07-16",
        "certification_date": "2026-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MD",
            "license": "D97799",
            "primary": true
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MI",
            "license": "4301517846",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.