Individual provider Active NPI

Liliana M Diez, D.M.D.

  • Periodontics
  • Mayaguez, PR
National Provider Identifier
1801830435
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
PeriodonticsTaxonomy code 1223P0300X
License
1135 Issued in PR
Practice address
#21 Dr. Nelson Perea St.
Mayaguez, PR 00680
Phone
(787) 833-8741
Fax
(787) 833-8741
NPI assigned
Jun 15, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Periodontics 1223P0300X 1135 PR Primary

Addresses

Primary practice location

#21 Dr. Nelson Perea St.
Mayaguez, PR 00680

Mailing address

#21 Dr. Nelson Perea St.
Mayaguez, PR 00680
Phone (787) 833-8741

Medicare participation

Medicare enrollment files
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: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20160713001463 PR Order and Referring Only - DentistPractitioner - Dentist 0446542302

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

NPI Registry JSON

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

{
    "created_epoch": "1150329600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1801830435",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "#21 DR. NELSON PEREA ST.",
            "city": "MAYAGUEZ",
            "state": "PR",
            "postal_code": "00680",
            "telephone_number": "787-833-8741",
            "fax_number": "787-833-8741"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "#21 DR. NELSON PEREA ST.",
            "city": "MAYAGUEZ",
            "state": "PR",
            "postal_code": "00680",
            "telephone_number": "787-833-8741",
            "fax_number": "787-833-8741"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIEZ",
        "first_name": "LILIANA",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "D.M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-15",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223P0300X",
            "taxonomy_group": "",
            "desc": "Dentist, Periodontics",
            "state": "PR",
            "license": "1135",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Mayaguez, PR

Sources for this page

Verify at the official NPI Registry.