Hien Ngoc Nguyen, MD

Primary specialty

SpecialistTaxonomy code 174400000X

License

A55436 Issued in CA

Practice address

429 S Main St
Milpitas, CA 95035-5318

Phone

(408) 719-1975

Fax

(408) 719-1979

NPI assigned

Apr 10, 2006

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 CA

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• Nong Group

  • Family Medicine Physician
  • San Jose, CA
  • NPI 1063110526
  NPD (past)
• Nguyen Plastic Surgery PC

  • Specialist
  • Stony Brook, NY
  • NPI 1245574839
  NPD (past)

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

{
    "created_epoch": "1144627200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1871556969",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "429 S MAIN ST",
            "city": "MILPITAS",
            "state": "CA",
            "postal_code": "950355318",
            "telephone_number": "408-719-1975",
            "fax_number": "408-719-1979"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "429 S MAIN ST",
            "city": "MILPITAS",
            "state": "CA",
            "postal_code": "950355318",
            "telephone_number": "408-719-1975",
            "fax_number": "408-719-1979"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "HIEN",
        "middle_name": "NGOC",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-10",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "CA",
            "license": "A55436",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elizabeth Nguyen, PHARMD
• Emily Nguyen
• Ha B Nguyen
• Hang Tuyet Nguyen
• Henry Nguyen
• Hung T Nguyen, DMD, MSD
• Huong Nguyen, DMD
• Jade Nguyen
• Jeanpaul Nguyen, D.C.
• Jimmy-Tung Thanh Nguyen, DDS, MD

• Specialist in Milpitas, CA
• Providers in Milpitas, CA by specialty
• Specialist in California

• 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.