Ivan Manjun Ngai, M.D.

Primary specialty

Maternal & Fetal Medicine PhysicianTaxonomy code 207VM0101X

License

259678 Issued in NY

Practice address

21 Reade PL Ste 1000
Poughkeepsie, NY 12601-3950

Phone

(845) 214-1821

NPI assigned

Dec 22, 2010

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in NY, CT2 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

Obstetrics/Gynecology

Education

Albany Medical College of Union University, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Nuvance Health Medical Practice PCGroup PAC ID 1658468442, 578 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

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

Interoperability endpoints

• Direct secure messaging: ingai82189@direct.medisys.org

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.

• Nuvance Health Medical Practice PC

  • Internal Medicine Physician
  • Poughkeepsie, NY
  • NPI 1437358033
  Medicare reassignment Care Compare group
• Flushing Hospital & Medical Center

  • General Acute Care Hospital
  • Flushing, NY
  • NPI 1548217763
  Medicare reassignment NPD
• Montefiore Medical Center

  • Anesthesiology Physician
  • Bronx, NY
  • NPI 1063525152

  Obstetrics & Gynecology

  Medicare reassignment NPD
• TJH Medical Services, P.C.

  • Internal Medicine Physician
  • Jamaica, NY
  • NPI 1184670465

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Westchester Medical Center Advanced Physician Services, PC

  • Surgery Physician
  • Valhalla, NY
  • NPI 1912131392

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Nuvance Health Medical Practice CT, Inc.

  • Internal Medicine Physician
  • Danbury, CT
  • NPI 1407898117
  Medicare reassignment
• Flushing Hospital Medical Center

  • Skilled Nursing Facility
  • Flushing, NY
  • NPI 1568693174
  NPD
• Montefiore Medical Center

  • Community/Retail Pharmacy
  • Bronx, NY
  • NPI 1194183715
  NPD
• Westchester Medical Center Advanced Physician Services PC

  • Anesthesiology Physician
  • Valhalla, NY
  • NPI 1740687458
  NPD
• Flushing Hospital & Medical Center

  • General Acute Care Hospital
  • Flushing, NY
  • NPI 1154461622
  NPD (past)

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

{
    "created_epoch": "1292976000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771372800000",
    "number": "1053615690",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "45 READE PL",
            "city": "POUGHKEEPSIE",
            "state": "NY",
            "postal_code": "126013947",
            "telephone_number": "845-454-8500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "21 READE PL STE 1000",
            "city": "POUGHKEEPSIE",
            "state": "NY",
            "postal_code": "126013950",
            "telephone_number": "845-214-1821"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGAI",
        "first_name": "IVAN",
        "middle_name": "MANJUN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-12-22",
        "last_updated": "2026-02-18",
        "certification_date": "2026-02-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VM0101X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "CT",
            "license": "82824",
            "primary": false
        },
        {
            "code": "207VM0101X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "NY",
            "license": "259678",
            "primary": true
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "NY",
            "license": "259678",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mary Jane Newman, RN
• Cheng NG, MD
• Jeanne S NG, RPH
• May NG, PA
• Sutini Ngadiman, MD
• Ngan Y Nguyen
• Margaret G. Nichols, LCSW
• Oksana Nichols, NP-C
• Jason Nicoletti, D.D.S
• Toni Nicolich, LCSW

• Maternal & Fetal Medicine Physician in Poughkeepsie, NY
• Providers in Poughkeepsie, NY by specialty
• Maternal & Fetal Medicine Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 18, 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.