NPIMap

Individual provider Active NPI

Stephanie NG, MD

  • Surgery Physician
  • Ann Arbor, MI
National Provider Identifier
1891107876
Registry record updated Apr 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
4301117094 Issued in MI
Practice address
1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Phone
(734) 936-4000
NPI assigned
May 27, 2014
Last updated
Apr 13, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 13, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X MD18830 RI
Surgery Physician 208600000X MT207155 PA
Surgery Physician 208600000X 290942 MA
Surgery Physician 208600000X 4301117094 MI Primary

Addresses

Primary practice location

1500 E Medical Center Dr
Ann Arbor, MI 48109-5000

Mailing address

3621 S State St
Ann Arbor, MI 48108-1633
Phone (734) 647-5299

Other practice location 1

373 New Boston Rd Ste 3
Fall River, MA 02720-5814
Phone (508) 235-3500

Other practice location 2

450 Brookline Ave
Boston, MA 02215-5450
Phone (617) 632-3800

Other practice location 3

1 Blackstone Street
2nd Floor
Providence, RI 02903
Phone (401) 453-7520

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20221220002025 MA Practitioner - General Surgery 6709003098 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Creighton University School of Medicine, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dana-Farber Cancer Institute, Inc.Group PAC ID 9133038904, shared by 5 NPIs, 671 clinicians

Practice addresses (Care Compare)

450 Brookline Ave
Boston, MA 02215-5418

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Mastectomy1-10
Melanoma (skin cancer) excision1-10
Removal or shaving of skin growth1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4301117094MIMDSurgery Physician
MD18830RIMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Affinity Physicians LLC CurrentSince Jan 8, 2023 Accepting new patients
Affinity Physicians LLC. Surgery CurrentSince Jan 8, 2023 Accepting new patients
Wih Faculty Physicians, Inc CurrentSince Jan 8, 2023 Accepting new patients
Wih Faculty Practice, Inc Past Accepting new patients

Locations

373 New Boston Rd
Ste 3
Fall River, MA 02720
Phone (508) 235-3500

455 Toll Gate Rd
Warwick, RI 02886
Phone (401) 737-7000

Interoperability endpoints

  • Direct secure messaging: sng@direct.carene.org
  • Direct secure messaging: sng46084@epicdirect.rwjbh.org
  • Direct secure messaging: sng727319@direct.med.umich.edu

Organizations & group practices 7

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 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": "1401148800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776038400000",
    "number": "1891107876",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3621 S STATE ST",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481081633",
            "telephone_number": "734-647-5299"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 E MEDICAL CENTER DR",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481095000",
            "telephone_number": "734-936-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "373 New Boston Rd Ste 3",
            "address_purpose": "LOCATION",
            "city": "Fall River",
            "state": "MA",
            "postal_code": "027205814",
            "country_code": "US",
            "telephone_number": "508-235-3500",
            "fax_number": "508-679-1205",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "450 Brookline Ave",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "022155450",
            "country_code": "US",
            "telephone_number": "617-632-3800",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Blackstone Street",
            "address_2": "2nd Floor",
            "address_purpose": "LOCATION",
            "city": "Providence",
            "state": "RI",
            "postal_code": "02903",
            "country_code": "US",
            "telephone_number": "401-453-7520",
            "fax_number": "401-453-7529",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NG",
        "first_name": "STEPHANIE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-05-27",
        "last_updated": "2026-04-13",
        "certification_date": "2026-04-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "RI",
            "license": "MD18830",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "PA",
            "license": "MT207155",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MA",
            "license": "290942",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MI",
            "license": "4301117094",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ann Arbor, MI

Sources for this page

Verify at the official NPI Registry.