Fabio Massaiti Iwamoto, MD

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

264009 Issued in NY

Practice address

300 Pasteur Dr
Stanford, CA 94305-2200

Phone

(650) 723-4000

NPI assigned

Jul 8, 2010

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, CA2 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

Neurology

Education

Other, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Trustees of Columbia University in the City of New YorkGroup PAC ID 8527972546, shared by 10 NPIs, 2,262 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• New York-Presbyterian Hospital Hospital, New York, NY, CCN 330101

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as apm

Quality

85.32

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

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

Interoperability endpoints

• Direct secure messaging: mai9006@direct.nyp.org
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

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.

• Trustees of Columbia University in the City of New York

  • Surgery Physician
  • New York, NY
  • NPI 1508266347

  Neurology

  Medicare reassignment NPD
• Trustees of Columbia University in the City of New York

  • Internal Medicine Physician
  • Fort Lee, NJ
  • NPI 1982993184

  NY

  Medicare reassignment NPD
• LPCH Medical Group Div of Lucile

  • Children's Hospital
  • Palo Alto, CA
  • NPI 1417907940
  Medicare reassignment
• Stanford Health Care

  • General Acute Care Hospital
  • Stanford, CA
  • NPI 1437292927
  Medicare reassignment
• Trustees of Columbia University in the City of New York

  • Internal Medicine Physician
  • New York, NY
  • NPI 1699289488
  NPD
• Trustees of Columbia University in the Department of Otolaryngology

  • Specialist
  • New York, NY
  • NPI 1801074315
  NPD (past)

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

• The New York and Presbyterian Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1144504044
  Care Compare affiliation
• The New York and Presbyterian Hospital

  • Ambulance
  • New York, NY
  • NPI 1174628473

  Hospital

  Care Compare affiliation
• The New York and Presbyterian Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1194832477
  Care Compare affiliation
• The New York and Presbyterian Hospital

  • General Acute Care Hospital
  • Bronxville, NY
  • NPI 1780196345
  Care Compare affiliation
• The New York and Presbyterian Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1952332801
  Care Compare affiliation

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

{
    "created_epoch": "1278547200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782950400000",
    "number": "1053623934",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "710 W 168th St",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100323726",
            "country_code": "US",
            "telephone_number": "212-342-0571",
            "fax_number": "212-342-1246",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "IWAMOTO",
        "first_name": "FABIO",
        "middle_name": "MASSAITI",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-07-08",
        "last_updated": "2026-07-02",
        "certification_date": "2026-07-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "NY",
            "license": "264009",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Antonita Barrameda Itchon, PA-C
• Megumi Itoh, M.D.
• Julia Itsikson, CNS
• Michael IV, MD
• Braden Iveson, PA-C
• Debra H Iwasaki, PT ATC CSCS
• Robert Keith Jackler, MD
• Ethan C Jackson, MD
• Benjamin Richard Jacob, MD
• James Ralph Jacobs, M.D., PH.D.

• Neurology Physician in Stanford, CA
• Providers in Stanford, CA by specialty
• Neurology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 2, 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.