Youyuan Xu, M.D.

Primary specialty

Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X

License

25MA10205400 Issued in NJ

Practice address

299 Madison Ave
Morristown, NJ 07960-6166

Phone

(973) 971-5271

Fax

(973) 290-7370

NPI assigned

May 7, 2010

Last updated

Sep 11, 2025By the provider in NPPES

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

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in NY, NJ2 enrollments

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 2

Specialty

Pathology

Education

Other, 1994

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Morristown Pathology Associates PAGroup PAC ID 4981699717, 26 clinicians

Promed Pathology LLCGroup PAC ID 6709103757, 8 clinicians

Pathlink of New JerseyGroup PAC ID 0446641245, 15 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Hunterdon Medical Center Hospital, Flemington, NJ, CCN 310005
• Morristown Medical Center Hospital, Morristown, NJ, CCN 310015
• Ahs Hospital Corp Hospital, Hackettstown, NJ, CCN 310115
• Overlook Medical Center Hospital, Summit, NJ, CCN 310051
• Newton Medical Center Hospital, Newton, NJ, CCN 310028

Merit-based Incentive Payment System (MIPS)

Final score

74.5 of 100Reported as group

Quality

70

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

89.44 of 100Reported as group

Quality

89.92

Improvement activities

40

Cost

78.23

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

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.

• Morristown Pathology Associates, PA

  • Anatomic Pathology & Clinical Pathology Physician
  • Morristown, NJ
  • NPI 1922075886
  Medicare reassignment Care Compare group NPD
• Pathlink of New Jersey

  • Anatomic Pathology & Clinical Pathology Physician
  • Denville, NJ
  • NPI 1538821327
  Medicare reassignment Care Compare group NPD
• Promed Pathology, LLC

  • Anatomic Pathology & Clinical Pathology Physician
  • Flemington, NJ
  • NPI 1336545508
  Medicare reassignment Care Compare group NPD
• Princeton Pathology Services PA

  • Anatomic Pathology & Clinical Pathology Physician
  • Newark, NJ
  • NPI 1942498985
  Medicare reassignment NPD
• North Shore-Lij Medical PC

  dba NHPP Cardiology at Great Neck

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572
  Medicare reassignment NPD
• Physicians of University Hospital, PC

  • Geriatric Medicine (Internal Medicine) Physician
  • Staten Island, NY
  • NPI 1417901323
  Medicare reassignment NPD
• Ahs Hospital Corp

  dba AHS Consolidated Labs

  • Clinical Medical Laboratory
  • Morristown, NJ
  • NPI 1871162834
  NPD
• Maternal Fetal Medicine of Practice Associates, PA

  • Maternal & Fetal Medicine Physician
  • Morristown, NJ
  • NPI 1578613840
  NPD
• NJ Bariatric Institute LLC

  • Obesity Medicine (Internal Medicine) Physician
  • Morristown, NJ
  • NPI 1194063677
  NPD
• North Jersey Pathologists Corp.

  dba A & W Pathology Associates

  • Anatomic Pathology & Clinical Pathology Physician
  • Montclair, NJ
  • NPI 1588961205
  NPD
• Physicians of University Hospital, PC

  • Anesthesiology Physician
  • Bay Shore, NY
  • NPI 1023513116
  NPD
• Avante Pathology, LLC

  • Anatomic Pathology & Clinical Pathology Physician
  • Denville, NJ
  • NPI 1639405764
  NPD (past)

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

• Ahs Hospital Corp

  • General Acute Care Hospital
  • Hackettstown, NJ
  • NPI 1518969419
  Care Compare affiliation
• Ahs Hospital Corp

  dba Newton Medical Center

  • General Acute Care Hospital
  • Newton, NJ
  • NPI 1790789212
  Care Compare affiliation
• Ahs Hospital Corp.

  dba Morristown Medical Center

  • General Acute Care Hospital
  • Morristown, NJ
  • NPI 1053384776
  Care Compare affiliation
• Ahs Hospital Corp.

  dba Overlook Hospital

  • General Acute Care Hospital
  • Summit, NJ
  • NPI 1740254143
  Care Compare affiliation
• Hunterdon Medical Center

  • General Acute Care Hospital
  • Flemington, NJ
  • NPI 1922095116
  Care Compare affiliation

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

{
    "created_epoch": "1273190400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1447578984",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 500",
            "city": "HACKETTSTOWN",
            "state": "NJ",
            "postal_code": "078400500",
            "telephone_number": "908-979-1010",
            "fax_number": "908-979-9934"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "299 MADISON AVE",
            "city": "MORRISTOWN",
            "state": "NJ",
            "postal_code": "079606166",
            "telephone_number": "973-971-5271",
            "fax_number": "973-290-7370"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "XU",
        "first_name": "YOUYUAN",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-05-07",
        "last_updated": "2025-09-11",
        "certification_date": "2025-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "NJ",
            "license": "25MA10205400",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "04491012",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Peter Wu, MD
• Priscilla Wu, APN
• Wen C Wu, MD
• Patrick Wuthrich, DO
• Peter J Wynne, M.D.
• Thaddeus M Yablonsky, M.D.
• Muhammad Fahad Yahya, DO
• Sornanong Yaibuathes, DDS
• Karen Yang, DO
• Janine D Yanovskiy, CRNA

• Anatomic Pathology & Clinical Pathology Physician in Morristown, NJ
• Providers in Morristown, NJ by specialty
• Anatomic Pathology & Clinical Pathology Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.