Individual provider Active NPI

Leon Liang-Yu Lai, MD

  • Infectious Disease Physician
  • Washington, DC
National Provider Identifier
1902856008
Registry record updated Mar 9, 2009
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Disease PhysicianTaxonomy code 207RI0200X
License
MD034727 Issued in DC
Practice address
110 Irving St NW
#2A38
Washington, DC 20010-2976
Phone
(202) 877-2848
NPI assigned
May 11, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 9, 2009

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Infectious Disease Physician 207RI0200X MD034727 DC Primary

Addresses

Primary practice location

110 Irving St NW
#2A38
Washington, DC 20010-2976

Mailing address

110 Irving St NW
#2A38
Washington, DC 20010-2976
Phone (202) 877-2848

Other identifiers 3

IdentifierTypeStateIssuer
010071755MedicaidVA
0335703400MedicaidDC
405008800MedicaidMD

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, MD2 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
I20040805001646 DC Practitioner - Infectious DiseasePractitioner - Internal Medicine 6507837093 Reassigns benefits to 2 organizations
I20240411004926 MD Practitioner - Infectious Disease 6507837093 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Infectious DiseaseAlso: Internal Medicine
Education
Pennsylvania State University College of Medicine, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians

Practice addresses (Care Compare)

110 Irving St NW
Washington, DC 20010-3017
Phone (202) 877-7000

9000 Franklin Square Dr
Baltimore, MD 21237-3901
Phone (443) 777-7000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
94.27 of 100Reported as group
Quality
80.29
Promoting interoperability
100
Improvement activities
40
Cost
75.48

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
WHC Physician Group LLC CurrentSince Mar 2, 2013 Accepting new patients
Medstar Medical Group II LLC CurrentSince Mar 1, 2025 Accepting new patients
Medstar Medical Group II LLC CurrentSince Mar 1, 2025 Accepting new patients
WHC Emerg Phys CurrentSince Mar 2, 2013 Accepting new patients
Medstar Medical Group II LLC CurrentSince Mar 1, 2025 Accepting new patients
Washington Hospital Center Corp Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

1145 19th St NW
Ste 311
Washington, DC 20036
Phone (202) 429-2401

110 Irving St NW
Rm 1A50B
Washington, DC 20010
Phone (202) 877-2568

110 Irving St NW
Washington, DC 20010
Phone (202) 877-2000

110 Irving St NW
#2A38
Washington, DC 20010
Phone (202) 877-2848

3001 S Hanover St
Brooklyn Park, MD 21225
Phone (410) 350-3200

29955 Three Notch Rd
Ste 100
Charlotte Hall, MD 20622
Phone (301) 290-5300

1406 Crain Hwy S
Ste 106
Glen Burnie, MD 21061
Phone (410) 768-6440

1406 Crain Hwy S
Glen Burnie, MD 21061
Phone (410) 768-6440

9000 Franklin Square Dr
Rosedale, MD 21237
Phone (410) 682-7000

11355 Pembrooke Sq
Ste 108
Waldorf, MD 20603
Phone (202) 877-6733

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": "1147305600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1236556800000",
    "number": "1902856008",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "110 IRVING ST NW",
            "address_2": "#2A38",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200102976",
            "telephone_number": "202-877-2848"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "110 IRVING ST NW",
            "address_2": "#2A38",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200102976",
            "telephone_number": "202-877-2848"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LAI",
        "first_name": "LEON",
        "middle_name": "LIANG-YU",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-11",
        "last_updated": "2009-03-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "DC",
            "license": "MD034727",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "010071755",
            "state": "VA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0335703400",
            "state": "DC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "405008800",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.