Ernest Nanjung Yeh, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

232974 Issued in MA

Practice address

55 Fogg Rd
South Weymouth, MA 02190-2432

Phone

(781) 624-8000

Fax

(781) 624-3719

NPI assigned

Apr 10, 2009

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MA

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

Specialty

Diagnostic Radiology

Education

Harvard Medical School, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Harbor Medical Associates IncGroup PAC ID 2466356209, 130 clinicians

South Shore Radiological Associates IncGroup PAC ID 6507838810, 35 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• South Shore Hospital Hospital, South Weymouth, MA, CCN 220100
• Dana-Farber Cancer Institute Hospital, Boston, MA, CCN 220162
• Brigham and Women'S Hospital Hospital, Boston, MA, CCN 220110
• Massachusetts General Hospital Hospital, Boston, MA, CCN 220071

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: yeh.ernest.bwh@direct.partners.masshiway.net

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.

• Harbor Medical Associates, Inc.

  • Cardiovascular Disease Physician
  • South Weymouth, MA
  • NPI 1124079561
  Medicare reassignment Care Compare group NPD
• South Shore Radiological Associates, Inc.

  • Diagnostic Radiology Physician
  • South Weymouth, MA
  • NPI 1518984319
  Medicare reassignment Care Compare group NPD
• Brigham and Women'S Hospital

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1093885816
  NPD
• Fall River-New Bedford Regional MRI, Limited Partnership

  • Magnetic Resonance Imaging (MRI) Clinic/Center
  • Dartmouth, MA
  • NPI 1134178346
  NPD
• Harbor Medical Associates, Inc.

  • Clinical Medical Laboratory
  • South Weymouth, MA
  • NPI 1396942926
  NPD
• Harbor Medical Associates, Inc.

  • Diagnostic Radiology Physician
  • S. Weymouth, MA
  • NPI 1689909723
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Brigham & Womens Hospital, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1790717650
  Care Compare affiliation
• Dana-Farber Cancer Institute, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1851333686
  Care Compare affiliation
• South Shore Hospital Inc.

  • General Acute Care Hospital
  • South Weymouth, MA
  • NPI 1134227606
  Care Compare affiliation
• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Care Compare affiliation

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

{
    "created_epoch": "1239321600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770940800000",
    "number": "1891938569",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 200694",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152510694",
            "telephone_number": "833-324-6904",
            "fax_number": "302-440-5783"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FOGG RD",
            "city": "SOUTH WEYMOUTH",
            "state": "MA",
            "postal_code": "021902432",
            "telephone_number": "781-624-8000",
            "fax_number": "781-624-3719"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "330 Brookline Ave",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "022155400",
            "country_code": "US",
            "telephone_number": "617-667-7000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YEH",
        "first_name": "ERNEST",
        "middle_name": "NANJUNG",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2009-04-10",
        "last_updated": "2026-02-13",
        "certification_date": "2026-02-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MA",
            "license": "232974",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Zach Yung
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• Diagnostic Radiology Physician in South Weymouth, MA
• Providers in South Weymouth, MA by specialty
• Diagnostic Radiology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.