Theresa Boi Ngoc Nguyen, OD

Primary specialty

OptometristTaxonomy code 152W00000X

License

35123 Issued in CA

Practice address

3178 Collins Dr Ste a
Merced, CA 95348-3155

Phone

(209) 383-1246

NPI assigned

May 15, 2022

Sex

Female

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 CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Optometry

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Johann J Schlager OD IncGroup PAC ID 4981097482, 3 clinicians

Practice addresses (Care Compare)

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

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.

• Johann J. Schlager, OD Inc.

  • Optometrist
  • Merced, CA
  • NPI 1912667486
  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1652572800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1652572800000",
    "number": "1437896180",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "105 SPROUL CT",
            "city": "MERCED",
            "state": "CA",
            "postal_code": "953488564",
            "telephone_number": "408-568-6585"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3178 COLLINS DR STE A",
            "city": "MERCED",
            "state": "CA",
            "postal_code": "953483155",
            "telephone_number": "209-383-1246"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "THERESA",
        "middle_name": "BOI NGOC",
        "name_prefix": "Dr.",
        "credential": "OD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-05-15",
        "last_updated": "2022-05-15",
        "certification_date": "2022-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152WC0802X",
            "taxonomy_group": "",
            "desc": "Optometrist, Corneal and Contact Management",
            "state": "CA",
            "license": "35123",
            "primary": false
        },
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "35123",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Deanna Tuongvy Nguyen
• Haison Nguyen, PT
• Khang Cong Nguyen, DDS
• Kiet Thuong Nguyen, D.C.
• Thanh Dinh Nguyen, M.D.
• Kathleen Carmen Nichols
• Nicolas de la Pena MD Inc
• Elodia June Nieto
• Georgia Nieves
• Reyna Edith Nieves

• Optometrist in Merced, CA
• Providers in Merced, CA by specialty
• Optometrist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 15, 2022; 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.