Individual provider Active NPI

David Chun Lo, M.D.

  • Internal Medicine Physician
  • Stamford, CT
National Provider Identifier
1841602273
Registry record updated Mar 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
56452 Issued in CT
Practice address
51 Schuyler Ave
Stamford, CT 06902-3730
Phone
(203) 327-1187
Fax
(203) 967-4218
NPI assigned
May 20, 2014
Last updated
Mar 24, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 24, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 56452 CT Primary

Addresses

Primary practice location

51 Schuyler Ave
Stamford, CT 06902-3730

Mailing address

51 Schuyler Ave
Stamford, CT 06902-3730
Phone (203) 327-1187

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT
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
I20170718001950 CT Practitioner - Internal Medicine 0345548400 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Marcus Mayus MD IncGroup PAC ID 6507258688, 2 clinicians

Practice addresses (Care Compare)

81 Holly Hill LN
FL 3
Greenwich, CT 06830-6071
Phone (203) 884-8420

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
90.42 of 100Reported as group
Quality
83.36
Promoting interoperability
100
Improvement activities
40
Cost
75.9

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
56452CTMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Marcus Mayus MD Inc Internal Medicine Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: david.lo.1@25360.direct.athenahealth.com
  • Direct secure messaging: david.lo.1@27673.direct.athenahealth.com
  • FHIR API: https://api.platform.athenahealth.com/25360/brand/1/csg/1/fhir/r4

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 2

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": "1400544000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742774400000",
    "number": "1841602273",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "51 SCHUYLER AVE",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069023730",
            "telephone_number": "203-327-1187",
            "fax_number": "203-967-4218"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "51 SCHUYLER AVE",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069023730",
            "telephone_number": "203-327-1187",
            "fax_number": "203-967-4218"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LO",
        "first_name": "DAVID",
        "middle_name": "CHUN",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2014-05-20",
        "last_updated": "2025-03-24",
        "certification_date": "2025-03-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "56452",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stamford, CT

Sources for this page

Verify at the official NPI Registry.