Organization Active NPI

Santiago C. Ramirez MD PLLC

  • Cardiovascular Disease Physician
  • Nogales, AZ
National Provider Identifier
1912457649
Registry record updated May 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
18477 Issued in AZ
Legal business name
SANTIAGO C. RAMIREZ MD PLLC
Practice address
1815 N Mastick Way
Nogales, AZ 85621-1046
Phone
(520) 415-1027
Fax
(520) 229-0086
NPI assigned
Oct 5, 2016
Last updated
May 16, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on May 16, 2025

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

Authorized official

Name
Rosana Olivas
Title
Billing Manager
Phone
(520) 229-0085

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 18477 AZ Primary

Addresses

Primary practice location

1815 N Mastick Way
Nogales, AZ 85621-1046

Mailing address

3925 E Fort Lowell Rd Ste 105
Tucson, AZ 85712-1053
Phone (520) 229-0085

Other practice location 1

3925 E Fort Lowell Rd Ste 105
Tucson, AZ 85712-1053
Phone (520) 229-0085

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20170104001780 AZ Part B Supplier - Clinic/Group Practice 8426339557 Receives reassigned benefits from 7 practitioners
Practice locations: Nogales, AZ; Tucson, AZ

National Provider Directory

National Provider Directory

Locations

4475 S I 19 Frontage Rd
Ste 225
Green Valley, AZ 85614

760 E Pusch View Ln
Ste 160
Oro Valley, AZ 85737

3955 E Fort Lowell Rd
Ste 113
Tucson, AZ 85712
Phone (520) 229-0085

Practitioners & affiliated clinicians

Practitioners 11

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1475625600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1747353600000",
    "number": "1912457649",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3925 E FORT LOWELL RD STE 105",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857121053",
            "telephone_number": "520-229-0085",
            "fax_number": "520-229-0086"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1815 N MASTICK WAY",
            "city": "NOGALES",
            "state": "AZ",
            "postal_code": "856211046",
            "telephone_number": "520-415-1027",
            "fax_number": "520-229-0086"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3925 E Fort Lowell Rd Ste 105",
            "address_purpose": "LOCATION",
            "city": "Tucson",
            "state": "AZ",
            "postal_code": "857121053",
            "country_code": "US",
            "telephone_number": "520-229-0085",
            "fax_number": "520-229-0086",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "SANTIAGO C. RAMIREZ MD PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2016-10-05",
        "last_updated": "2025-05-16",
        "certification_date": "2025-05-16",
        "status": "A",
        "authorized_official_last_name": "OLIVAS",
        "authorized_official_first_name": "ROSANA",
        "authorized_official_title_or_position": "BILLING MANAGER",
        "authorized_official_telephone_number": "520-229-0085"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "AZ",
            "license": "18477",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Nogales, AZ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 16, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.