Ian Hing-Yeung Chan, MD

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

249201 Issued in NY

Practice address

139 Centre St PH 113
New York, NY 10013

Phone

(917) 238-7875

Fax

(718) 509-6993

NPI assigned

Jun 27, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

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

Ophthalmology

Education

Stanford University School of Medicine, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as individual

Quality

87.1

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

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: ichan68863@northwell.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.

• Ian Chan MD PC

  • Ophthalmologic Surgery Clinic/Center
  • New York, NY
  • NPI 1083058432
  Medicare reassignment NPD Authorized official
• Ian Chan MD PC

  • Ophthalmology Physician
  • Brooklyn, NY
  • NPI 1710546270
  NPD Authorized official
• Ian Chan MD PC

  • Ophthalmologic Surgery Clinic/Center
  • Flushing, NY
  • NPI 1568894590
  NPD (past) Authorized official

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

{
    "created_epoch": "1182902400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753228800000",
    "number": "1942406756",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "139 CENTRE ST PH 113",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100134559",
            "telephone_number": "917-238-7875",
            "fax_number": "718-509-6993"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "139 CENTRE ST PH 113",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "10013",
            "telephone_number": "917-238-7875",
            "fax_number": "718-509-6993"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAN",
        "first_name": "IAN",
        "middle_name": "HING-YEUNG",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-06-27",
        "last_updated": "2025-07-23",
        "certification_date": "2025-07-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CA",
            "license": "A115880",
            "primary": false
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "NY",
            "license": "249201",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Grace Chan
• Hei Ching Chan, DPT
• Henry W Chan, R PH
• Ho Wing Chan
• Hsiangwei Chan
• Irene M Chan
• Jacqueline Chan, MD
• Jason Chan, PHARM.D
• Jeffrey Chan, L.AC.
• Jeffrey James Chan

• Ophthalmology Physician in New York, NY
• Providers in New York, NY by specialty
• Ophthalmology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 23, 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.