Dennis S CHI, MD

Primary specialty

Gynecologic Oncology PhysicianTaxonomy code 207VX0201X

License

187616 Issued in NY

Practice address

1275 York Ave
New York, NY 10021-6007

Phone

(646) 227-3813

NPI assigned

Dec 9, 2005

Sex

Male

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 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

Gynecological OncologyAlso: General Surgery

Education

New York University School of Medicine, 1990

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mskcc Surgery GroupGroup PAC ID 0345131405, 365 clinicians

MSK BergenGroup PAC ID 1456614114, 254 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• VNS of Ny Home Care Chha Home health agency, New York, NY, CCN 337008
• Memorial Hospital for Cancer and Allied Diseases Hospital, New York, NY, CCN 330154

Merit-based Incentive Payment System (MIPS)

Final score

85.97 of 100Reported as group

Quality

82.74

Improvement activities

40

Cost

79.62

Merit-based Incentive Payment System (MIPS)

Final score

80.37 of 100Reported as group

Quality

71.5

Improvement activities

40

Cost

70.5

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

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

Interoperability endpoints

• Direct secure messaging: dchi38940@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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Mskcc Surgery Group

  • Surgical Oncology Physician
  • New York, NY
  • NPI 1699766261
  Medicare reassignment Care Compare group NPD
• MSK Bergen

  • Medical Oncology Physician
  • Montvale, NJ
  • NPI 1558814657
  Medicare reassignment Care Compare group NPD

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

• Memorial Hospital for Cancer and Allied Diseases

  • General Acute Care Hospital
  • New York, NY
  • NPI 1700887411
  Care Compare affiliation
• Ralph Lauren Center for Cancer Care and Prevention

  • Special Hospital
  • New York, NY
  • NPI 1770046351
  Care Compare affiliation
• Visiting Nurse Service of New York Home Care II

  dba Visiting Nurse Service of New York Home Care

  • Home Health Agency
  • New York, NY
  • NPI 1528059805
  Care Compare affiliation
• Memorial Hospital for Cancer & Allied Diseases

  • General Acute Care Hospital
  • Basking Ridge, NJ
  • NPI 1659385474
  Care Compare affiliation
• Memorial Sloan Kettering Bergen

  • General Acute Care Hospital
  • Montvale, NJ
  • NPI 1841650330
  Care Compare affiliation
• Memorial Sloan Kettering Monmouth

  • General Acute Care Hospital
  • Middletown, NJ
  • NPI 1528428521
  Care Compare affiliation

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

{
    "created_epoch": "1134086400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1245215565",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "633 3RD AVE",
            "address_2": "BOX 3",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100176706"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1275 YORK AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100216007",
            "telephone_number": "646-227-3813"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHI",
        "first_name": "DENNIS",
        "middle_name": "S",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-09",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VX0201X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecologic Oncology",
            "state": "NY",
            "license": "187616",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Gynecologic Oncology Physician in New York, NY
• Providers in New York, NY by specialty
• Gynecologic Oncology Physician in New York

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