Individual provider Active NPI

Margaret Quan To, MD

  • Internal Medicine Physician
  • Atlanta, GA
National Provider Identifier
1770042020
Registry record updated May 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
99466 Issued in GA
Practice address
49 Jesse Hill Jr Dr SE
Atlanta, GA 30303-3049
Phone
(404) 778-7777
NPI assigned
Mar 17, 2019
Last updated
May 15, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 15, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Internal Medicine Physician 207R00000X 99466 GA Primary
Infectious Disease Physician 207RI0200X 99466 GA
Psychiatry Physician 2084P0800X 99466 GA

Addresses

Primary practice location

49 Jesse Hill Jr Dr SE
Atlanta, GA 30303-3049

Mailing address

49 Jesse Hill Jr Dr SE
Atlanta, GA 30303-3049
Phone (404) 778-7777

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: No
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
99466GAMDInfectious Disease Physician

NPI Registry JSON

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

{
    "created_epoch": "1552780800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747267200000",
    "number": "1770042020",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "49 JESSE HILL JR DR SE",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303033049",
            "telephone_number": "404-778-7777"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "49 JESSE HILL JR DR SE",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303033049",
            "telephone_number": "404-778-7777"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TO",
        "first_name": "MARGARET",
        "middle_name": "QUAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-17",
        "last_updated": "2025-05-15",
        "certification_date": "2025-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "GA",
            "license": "99466",
            "primary": true
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "GA",
            "license": "99466",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "GA",
            "license": "99466",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Atlanta, GA

Sources for this page

Verify at the official NPI Registry.