Individual provider Active NPI

Hyun Ji, MD

  • Internal Medicine Physician
  • Rochester, MN
National Provider Identifier
1689179509
Registry record updated Aug 28, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
65867 Issued in MN
Practice address
200 1St St SW
Rochester, MN 55905
Phone
(507) 284-2511
NPI assigned
Mar 25, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 28, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 29582 MN
Internal Medicine Physician 207R00000X D0103939 MD
Gastroenterology Physician 207RG0100X D0103939 MD
Internal Medicine Physician 207R00000X 65867 MN Primary

Addresses

Primary practice location

200 1St St SW
Rochester, MN 55905

Mailing address

200 1St St SW
Rochester, MN 55905-0001
Phone (507) 284-2511

Other practice location 1

700 Geipe Rd Ste 220
Catonsville, MD 21228-4577
Phone (410) 753-2255

Other practice location 2

100 West Rd Ste 115
Towson, MD 21204-2358
Phone (410) 494-0144

Other practice location 3

22 S Greene St
Baltimore, MD 21201-1544
Phone (410) 328-5780

Other practice location 4

515 S Tollgate Rd Ste 100
Bel Air, MD 21014-5251
Phone (443) 643-3050

Other practice location 5

419 W Redwood St Ste 600
Baltimore, MD 21201-7000
Phone (667) 214-1422

Other practice location 6

7625 Maple Lawn Blvd Ste 110
Fulton, MD 20759-2565
Phone (301) 490-5025

Other practice location 7

827 Linden Ave
Baltimore, MD 21201-4606
Phone (410) 328-8730

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD
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
I20250820001571 MD Practitioner - GastroenterologyPractitioner - Internal Medicine 9032466974 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Virginia Commonwealth University, School of Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

22 S Green St
Baltimore, MD 21201-1544
Phone (410) 328-8040

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy29
Upper gastrointestinal (GI) endoscopy for acid reflux155

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
65867MNMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of Maryland Physicians P.a. Current Accepting new patients
University of Maryland Physicians P.a. Gastroenterology CurrentSince Sep 21, 2025 Accepting new patients
University of Maryland Physicians PA Gastroenterology CurrentSince Sep 21, 2025 Accepting new patients

Locations

827 Linden Ave
Baltimore, MD 21201
Phone (410) 225-8100

419 W Redwood St
Ste 600
Baltimore, MD 21201
Phone (410) 328-5196

22 S Greene St
Baltimore, MD 21201
Phone (410) 328-5793

515 S Tollgate Rd
Ste 100
Bel Air, MD 21014
Phone (443) 643-3050

700 Geipe Rd
Ste 220
Catonsville, MD 21228
Phone (410) 242-3636

7625 Maple Lawn Blvd
Ste 110
Fulton, MD 20759
Phone (301) 490-5025

100 West Rd
Ste 115
Towson, MD 21204
Phone (410) 494-0144

Interoperability endpoints

  • Direct secure messaging: hji1286371@direct.umm.edu

Organizations & group practices 3

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 8

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": "1521936000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756339200000",
    "number": "1689179509",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 1ST ST SW",
            "city": "ROCHESTER",
            "state": "MN",
            "postal_code": "559050001",
            "telephone_number": "507-284-2511"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 1ST ST SW",
            "city": "ROCHESTER",
            "state": "MN",
            "postal_code": "55905",
            "telephone_number": "507-284-2511"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "700 Geipe Rd Ste 220",
            "address_purpose": "LOCATION",
            "city": "Catonsville",
            "state": "MD",
            "postal_code": "212284577",
            "country_code": "US",
            "telephone_number": "410-753-2255",
            "fax_number": "410-242-4404",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "100 West Rd Ste 115",
            "address_purpose": "LOCATION",
            "city": "Towson",
            "state": "MD",
            "postal_code": "212042358",
            "country_code": "US",
            "telephone_number": "410-494-0144",
            "fax_number": "410-494-0147",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "22 S Greene St",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212011544",
            "country_code": "US",
            "telephone_number": "410-328-5780",
            "fax_number": "410-328-8315",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "515 S Tollgate Rd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Bel Air",
            "state": "MD",
            "postal_code": "210145251",
            "country_code": "US",
            "telephone_number": "443-643-3050",
            "fax_number": "443-643-1692",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "419 W Redwood St Ste 600",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212017000",
            "country_code": "US",
            "telephone_number": "667-214-1422",
            "fax_number": "410-328-8326",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7625 Maple Lawn Blvd Ste 110",
            "address_purpose": "LOCATION",
            "city": "Fulton",
            "state": "MD",
            "postal_code": "207592565",
            "country_code": "US",
            "telephone_number": "301-490-5025",
            "fax_number": "301-490-5260",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "827 Linden Ave",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212014606",
            "country_code": "US",
            "telephone_number": "410-328-8730",
            "fax_number": "410-328-8315",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JI",
        "first_name": "HYUN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-03-25",
        "last_updated": "2025-08-28",
        "certification_date": "2025-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MN",
            "license": "29582",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D0103939",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MD",
            "license": "D0103939",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MN",
            "license": "65867",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Rochester, MN

Sources for this page

Verify at the official NPI Registry.