NPIMap

Individual provider Active NPI

Michael Hwang

  • Medical Oncology Physician
  • Baltimore, MD
National Provider Identifier
1497117444
Registry record updated Jan 24, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
License
D89006 Issued in MD
Practice address
1650 Orleans St # 21287
Baltimore, MD 21287-0013
Phone
(410) 955-5000
NPI assigned
Mar 28, 2016
Last updated
Jan 24, 2023By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 24, 2023

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X D89006 MD
Medical Oncology Physician 207RX0202X D89006 MD Primary

Addresses

Primary practice location

1650 Orleans St # 21287
Baltimore, MD 21287-0013

Mailing address

6201 Greenleigh Ave FL 2
Middle River, MD 21220-2004
Phone (410) 933-6421

Other identifiers 1

IdentifierTypeStateIssuer
D89006MedicaidMD

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, NJ2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20230510000746 NY Practitioner - Medical Oncology 8123364221 Reassigns benefits to 4 organizations
I20250819002682 NJ Practitioner - Medical Oncology 8123364221 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Medical Oncology
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
MSK NassauGroup PAC ID 8628311685, 100 clinicians
Memorial Solid Tumor GroupGroup PAC ID 4082503354, 233 clinicians
Mskcc Regional NetworkGroup PAC ID 6608765144, 130 clinicians

Practice addresses (Care Compare)

1101 Hempstead Tpke
Uniondale, NY 11553-1112
Phone (212) 639-2000

1275 York Ave
New York, NY 10065-6007
Phone (212) 639-2000

650 Commack Rd
Commack, NY 11725-5404
Phone (631) 623-4034

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
75.5 of 100Reported as group
Quality
60.62
Improvement activities
40
Cost
73.87

Merit-based Incentive Payment System (MIPS)

Final score
77.63 of 100Reported as group
Quality
66.91
Improvement activities
40
Cost
71.93

Merit-based Incentive Payment System (MIPS)

Final score
80.82 of 100Reported as group
Quality
71.2
Improvement activities
40
Cost
72.32

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D89006MDMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Memorial Medical Consultation Group Internal Medicine CurrentSince Aug 22, 2025 Accepting new patients
MSK Nassau Medical Oncology CurrentSince May 23, 2024 Accepting new patients
Memorial Solid Tumor Group Internal Medicine CurrentSince Mar 13, 2023 Accepting new patients
Mskcc Regional Network Medical Oncology CurrentSince Mar 13, 2023 Accepting new patients
MSK Monmouth Medical Oncology CurrentSince Jul 22, 2025 Accepting new patients

Locations

480 Red Hill Rd
Middletown, NJ 07748
Phone (908) 542-3007

650 Commack Rd
Commack, NY 11725
Phone (631) 623-4000

1275 York Ave
New York, NY 10065
Phone (212) 639-3813

633 3rd Ave
Fl 4
New York, NY 10017
Phone (646) 227-3764

1101 Hempstead Tpke
Uniondale, NY 11553
Phone (516) 559-1000

Networks

  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H3359

Interoperability endpoints

  • Direct secure messaging: mhwang31583@mskcc.direct-ci.com

Organizations & group practices 5

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 6

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": "1459123200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1674518400000",
    "number": "1497117444",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE FL 2",
            "city": "MIDDLE RIVER",
            "state": "MD",
            "postal_code": "212202004",
            "telephone_number": "410-933-6421"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1650 ORLEANS ST # 21287",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870013",
            "telephone_number": "410-955-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HWANG",
        "first_name": "MICHAEL",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-03-28",
        "last_updated": "2023-01-24",
        "certification_date": "2023-01-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D89006",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "MD",
            "license": "D89006",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "D89006",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.