Leonard Nai-En Chen, M.D.

Primary specialty

Blood Banking & Transfusion Medicine PhysicianTaxonomy code 207ZB0001X

License

D0084728 Issued in MD

Practice address

9000 Rockville Pike BLDG 10
Bethesda, MD 20892

Phone

(301) 451-8186

NPI assigned

Mar 31, 2014

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in DC

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

Specialty

Pathology

Education

Georgetown University School of Medicine, 2005

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)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Medstar Medical Group II LLC

  • General Practice Physician
  • Baltimore, MD
  • NPI 1184046187

  DC

  Medicare reassignment Care Compare group NPD
• Medstar Medical Group II LLC

  • Internal Medicine Physician
  • Washington, DC
  • NPI 1376887844
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1396224000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1721606400000",
    "number": "1548688336",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9000 ROCKVILLE PIKE BLDG 10",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208921184",
            "telephone_number": "301-451-8186"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9000 ROCKVILLE PIKE BLDG 10",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "20892",
            "telephone_number": "301-451-8186"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3800 Reservoir Rd NW",
            "address_2": "Dept of Pathology",
            "address_purpose": "LOCATION",
            "city": "Washington",
            "state": "DC",
            "postal_code": "200072113",
            "country_code": "US",
            "telephone_number": "202-687-3614",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHEN",
        "first_name": "LEONARD",
        "middle_name": "NAI-EN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-03-31",
        "last_updated": "2024-07-22",
        "certification_date": "2024-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZB0001X",
            "taxonomy_group": "",
            "desc": "Pathology, Blood Banking & Transfusion Medicine",
            "state": "MD",
            "license": "D0084728",
            "primary": true
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "MD",
            "license": "D84728",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Grace L. Chen, M.D., MPH
• Helen Chen, M.D.
• James Chen
• Jane Anne Chen, MD
• Jessica Chen, MD, PHD
• Marcus Yen-Ta Chen, M.D.
• Min Chen, MD
• Ray Chen, M.D.
• Wenhong Chen
• Xinlian Chen, PHARM D

• Blood Banking & Transfusion Medicine Physician in Bethesda, MD
• Providers in Bethesda, MD by specialty
• Blood Banking & Transfusion Medicine Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 22, 2024; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.