Sharon Sun

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

25MA12732300 Issued in NJ

Practice address

1 Clara Maass Dr
Belleville, NJ 07109-3550

Phone

(973) 450-2000

NPI assigned

Mar 24, 2020

Sex

Female

Sole proprietor

No

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 NJ

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

Anesthesiology

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Rwjbh Observation Associates LLCGroup PAC ID 5193137503, 995 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Clara Maass Medical Center Hospital, Belleville, NJ, CCN 310009

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ssun122726@mskcc.direct-ci.com

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.

• Rwjbh Observation Associates LLC

  • Emergency Medicine Physician
  • Livingston, NJ
  • NPI 1760095806

  Anesthesiology

  Medicare reassignment Care Compare group NPD

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

• Clara Maass Medical Center

  • General Acute Care Hospital
  • Belleville, NJ
  • NPI 1902901333
  Care Compare affiliation

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

{
    "created_epoch": "1585008000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756166400000",
    "number": "1215564810",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 CLARA MAASS DR",
            "city": "BELLEVILLE",
            "state": "NJ",
            "postal_code": "071093550",
            "telephone_number": "973-450-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 CLARA MAASS DR",
            "city": "BELLEVILLE",
            "state": "NJ",
            "postal_code": "071093550",
            "telephone_number": "973-450-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SUN",
        "first_name": "SHARON",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-03-24",
        "last_updated": "2025-08-26",
        "certification_date": "2025-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "NJ",
            "license": "25MA12732300",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Paul Frank Stefanelli, D.C.D.A.C.N.B..
• Dale Louise Steinberg, DO
• Jennifer Sternbach, PHARMD
• Steven M. Lomazow M.D. PC
• Stuart Reich PA LLC
• Supportive Youth and Family Services
• Susan Hagen Morrison, M.D., PA
• Dehabah Sylvester, PT
• Syracuse Medical LLC
• Dorota Palen Szast, RDN, CDCES

• Anesthesiology Physician in Belleville, NJ
• Providers in Belleville, NJ by specialty
• Anesthesiology Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 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.