Walter Nieves, MD

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

12791 Issued in PR

Practice address

3285 Ave Militar
Isabela, PR 00662-4091

Phone

(787) 830-5784

Fax

(787) 830-2436

NPI assigned

Mar 17, 2006

Sex

Male

Sole proprietor

Yes

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 PR

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

University of Puerto Rico School of Medicine, 1994

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

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.

• Islabella Vision Inc.

  • Ophthalmology Physician
  • Isabela, PR
  • NPI 1114231933
  NPD (past) Authorized official
• Vision Oftalmologos, P.S.C.

  • Ophthalmology Physician
  • Isabela, PR
  • NPI 1306119128
  NPD (past) Authorized official

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

{
    "created_epoch": "1142553600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773100800000",
    "number": "1225007453",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1967",
            "city": "ISABELA",
            "state": "PR",
            "postal_code": "006621967",
            "telephone_number": "787-830-5784",
            "fax_number": "787-830-2436"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3285 AVE MILITAR",
            "city": "ISABELA",
            "state": "PR",
            "postal_code": "006624091",
            "telephone_number": "787-830-5784",
            "fax_number": "787-830-2436"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIEVES",
        "first_name": "WALTER",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-03-17",
        "last_updated": "2026-03-10",
        "certification_date": "2026-03-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "PR",
            "license": "12791",
            "primary": true
        },
        {
            "code": "332H00000X",
            "taxonomy_group": "",
            "desc": "Eyewear Supplier",
            "state": "PR",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Luis Rafael Nieves Gonzalez, M.D.
• Joraida Nieves, M.S.
• Monica Nieves, MT
• Valerie Angelis Nieves
• Victor Nieves
• Nomc Corporation
• North Medical Transport
• Northwest Internal Medicine Services LLC
• Nova Health Puerto Rico LLC
• Nutrisector LLC

• Ophthalmology Physician in Isabela, PR
• Providers in Isabela, PR by specialty
• Ophthalmology Physician in Puerto Rico

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 10, 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.