Individual provider Active NPI

Alexander Xinlei Wu, MD

  • Internal Medicine Physician
  • Fulton, MD
National Provider Identifier
1831584879
Registry record updated Jan 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
D0091699 Issued in MD
Practice address
11810 W Market PL # 200
Fulton, MD 20759-2703
Phone
(301) 761-8538
Fax
(301) 709-8005
NPI assigned
Apr 6, 2015
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 7, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207R00000X D0091699 MD Primary

Addresses

Primary practice location

11810 W Market PL # 200
Fulton, MD 20759-2703

Mailing address

11539 Iager Blvd
Fulton, MD 20759-2658
Phone (301) 761-8538

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.
Opted out of Medicare
Yes, effective Jan 1, 2026 through Jan 1, 2028

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
University of Pittsburgh School of Medicine, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

6201 Greenleigh Ave
Middle River, MD 21220-2004

Hospital & facility affiliations

  • Johns Hopkins Howard County Medical Center Hospital, Columbia, MD, CCN 210048

Merit-based Incentive Payment System (MIPS)

Final score
87.23 of 100Reported as group
Quality
80.47
Promoting interoperability
100
Improvement activities
40
Cost
76.96

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D0091699MDMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Howard County General Hospital, Inc, Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: awu860349@direct.hopkinsmedicine.org

Organizations & group practices 1

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": "1428278400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767744000000",
    "number": "1831584879",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11539 IAGER BLVD",
            "city": "FULTON",
            "state": "MD",
            "postal_code": "207592658",
            "telephone_number": "301-761-8538",
            "fax_number": "301-709-8005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11810 W MARKET PL # 200",
            "city": "FULTON",
            "state": "MD",
            "postal_code": "207592703",
            "telephone_number": "301-761-8538",
            "fax_number": "301-709-8005"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WU",
        "first_name": "ALEXANDER",
        "middle_name": "XINLEI",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-04-06",
        "last_updated": "2026-01-07",
        "certification_date": "2026-01-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D0091699",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fulton, MD

Sources for this page

Verify at the official NPI Registry.