NPIMap

Individual provider Active NPI

Margarita S Martino Villanueva, M.D.

  • Emergency Medicine Physician
  • San Juan, PR
National Provider Identifier
1801852868
Registry record updated Feb 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
15955 Issued in PR
Practice address
400 Cordoba Park/Bo Tortugo St.
Apt. 96
San Juan, PR 00926-9769
Phone
(787) 708-3802
NPI assigned
Apr 26, 2006
Last updated
Feb 16, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 16, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 15955 PR Primary

Addresses

Primary practice location

400 Cordoba Park/Bo Tortugo St.
Apt. 96
San Juan, PR 00926-9769

Mailing address

209 S Gardenia Ave
Tampa, FL 33609-2505
Phone (787) 388-9990

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in FL
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20120525000308 FL Practitioner - Emergency Medicine 9830268689 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
University of Puerto Rico School of Medicine, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Paragon Emergency Services LLCGroup PAC ID 8628153087, 401 clinicians
Guidewell Emergency Medicine Doctors, LLCGroup PAC ID 8224352919, 88 clinicians

Practice addresses (Care Compare)

200 Ave F NE
Winter Haven, FL 33881-4131
Phone (863) 293-1121

4748 N Dale Mabry Hwy
Tampa, FL 33614
Phone (904) 329-1942

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Physicians of Pinellas PA Emergency Medicine CurrentSince May 1, 2023 Accepting new patients
Tampa General Hospital Current Accepting new patients
Emergency Physicians of Crossroads Emergency Medicine CurrentSince Aug 27, 2023 Accepting new patients
Guidewell Emergency Medicine Doctors, LLC CurrentSince Apr 9, 2021 Accepting new patients
W4P LLC Emergency Medicine CurrentSince Sep 1, 2020 Accepting new patients
Emergency Physicians of St Petersburg PA Emergency Medicine CurrentSince Oct 4, 2023 Accepting new patients
Paragon Emergency Services LLC Emergency Medicine CurrentSince Apr 25, 2025 Accepting new patients
Guidewell Emergency Medicine Doctors, LLC PastSince Apr 6, 2025 Accepting new patients

Locations

6201 N Suncoast Blvd
Crystal River, FL 34428
Phone (352) 527-0671

3625 University Blvd S
Jacksonville, FL 32216
Phone (904) 333-9404

3070 Grand Ave
Pinellas Park, FL 33782
Phone (727) 553-7300

10461 Quality Dr
Spring Hill, FL 34609
Phone (352) 688-3002

1800 66th St N
St Petersburg, FL 33710
Phone (727) 823-1234

701 6th St S
St Petersburg, FL 33701
Phone (727) 450-1144

4748 N Dale Mabry Hwy
Tampa, FL 33614
Phone (813) 576-0099

1451 El Camino Real
The Villages, FL 32159
Phone (352) 751-8000

200 Avenue F NE
Winter Haven, FL 33881
Phone (863) 292-4652

113 N Orlando Ave
Winter Park, FL 32789
Phone (407) 801-8400

Interoperability endpoints

  • FHIR API: https://epicproxy.et0761.epichosted.com/FHIRProxy/api/FHIR/R4/
  • Direct secure messaging: mmartinovillanueva296146@direct.tgh.org

Organizations & group practices 8

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.

Hospital & facility affiliations 4

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

NPI Registry JSON

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

{
    "created_epoch": "1146009600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771200000000",
    "number": "1801852868",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "209 S GARDENIA AVE",
            "city": "TAMPA",
            "state": "FL",
            "postal_code": "336092505",
            "telephone_number": "787-388-9990"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 CORDOBA PARK/BO TORTUGO ST.",
            "address_2": "APT. 96",
            "city": "SAN JUAN",
            "state": "PR",
            "postal_code": "009269769",
            "telephone_number": "787-708-3802"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARTINO VILLANUEVA",
        "first_name": "MARGARITA",
        "middle_name": "S",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-04-26",
        "last_updated": "2026-02-16",
        "certification_date": "2026-02-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "PR",
            "license": "15955",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Juan, PR

Sources for this page

Verify at the official NPI Registry.