Santiago C Ramirez, MD

Primary specialty

Interventional Cardiology PhysicianTaxonomy code 207RI0011X

License

18477 Issued in AZ

Practice address

3925 E Fort Lowell Rd Ste 105
Tucson, AZ 85712-1053

Phone

(520) 229-0085

Fax

(520) 229-0086

NPI assigned

Jan 6, 2006

Last updated

Sep 3, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in AZ

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

Cardiovascular Disease (Cardiology)

Education

University of Arizona College of Medicine, 1986

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Santiago C Ramirez MD PLLCGroup PAC ID 8426339557, 3 clinicians

Tucson Medical CenterGroup PAC ID 4284527227, 29 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Tucson Medical Center Hospital, Tucson, AZ, CCN 030006
• Canyon Vista Medical Center Hospital, Sierra Vista, AZ, CCN 030043
• Northwest Medical Center Sahuarita Hospital, Sahuarita, AZ, CCN 030148

Merit-based Incentive Payment System (MIPS)

Final score

75 of 100Reported as group

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/HFHIAD/Endpoint/HFHIAD

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Santiago C. Ramirez MD PLLC

  • Cardiovascular Disease Physician
  • Nogales, AZ
  • NPI 1912457649
  Medicare reassignment Care Compare group NPD
• Tucson Medical Center

  • General Acute Care Hospital
  • Tucson, AZ
  • NPI 1174512792
  Medicare reassignment Care Compare group
• Old Pueblo Cardiology PC

  • Cardiovascular Disease Physician
  • Tucson, AZ
  • NPI 1568643229
  Medicare reassignment NPD
• Arizona Diagnostic Pathology Associates PLLC

  • Anatomic Pathology & Clinical Pathology Physician
  • Tucson, AZ
  • NPI 1326222696
  NPD (past)
• Pima Heart Physicians, PC

  dba Pima Heart & Vascular

  • Cardiovascular Disease Physician
  • Tucson, AZ
  • NPI 1730137480
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Northwest Sahuarita Hospital LLC

  dba Northwest Medical Center Sahuarita

  • General Acute Care Hospital
  • Sahuarita, AZ
  • NPI 1851927669
  Care Compare affiliation
• RCHP-Sierra Vista Inc

  dba Sonoita Family Health

  • Rural Health Clinic/Center
  • Sonoita, AZ
  • NPI 1013160290

  Hospital

  Care Compare affiliation
• RCHP-Sierra Vista Inc

  dba Canyon Vista Medical Center

  • General Acute Care Hospital
  • Sierra Vista, AZ
  • NPI 1194766543
  Care Compare affiliation
• RCHP-Sierra Vista Inc

  dba Tombstone Family Health

  • Rural Health Clinic/Center
  • Tombstone, AZ
  • NPI 1508010471

  Hospital

  Care Compare affiliation
• Tucson Medical Center

  • General Acute Care Hospital
  • Tucson, AZ
  • NPI 1174512792
  Care Compare affiliation

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

{
    "created_epoch": "1136505600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756857600000",
    "number": "1023096203",
    "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": "3925 E FORT LOWELL RD STE 105",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857121053",
            "telephone_number": "520-229-0085",
            "fax_number": "520-229-0086"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1815 N Mastick Way",
            "address_purpose": "LOCATION",
            "city": "Nogales",
            "state": "AZ",
            "postal_code": "856211046",
            "country_code": "US",
            "telephone_number": "520-415-1027",
            "fax_number": "520-229-0086",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RAMIREZ",
        "first_name": "SANTIAGO",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-06",
        "last_updated": "2025-09-03",
        "certification_date": "2025-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "AZ",
            "license": "18477",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "AZ",
            "license": "18477",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "284430",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Marisol Ramirez, NP
• Mark Ramirez, M.D.
• Nicholas Erby Ramirez, AU.D.
• Nicole Ramirez
• Regina Marie Ramirez, RN
• Sarai Ramirez, RDH
• Victoria Ramirez, LCSW
• Yesenia Ramirez, MSW
• Alecsis G Ramos, FNP-C
• Carmen Odilia Ramos, LCSW

• Interventional Cardiology Physician in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Interventional Cardiology Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 3, 2025; 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.