Ryan J Alcantara, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

MD61540098 Issued in WA

Practice address

900 N 92ND St
Milwaukee, WI 53226-1202

Phone

(414) 805-3000

NPI assigned

Mar 30, 2021

Last updated

May 16, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in WA

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

Emergency Medicine

Education

New York Medical College, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northwest Emergency Physicians LLCGroup PAC ID 3476462334, 267 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Grays Harbor Community Hospital Hospital, Aberdeen, WA, CCN 500031

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Northwest Emergency Physicians LLC

  dba Nep

  • Emergency Medicine Physician
  • Arlington, WA
  • NPI 1235172370

  Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Froedtert Health Pharmacy LLC

  dba Froedtert Pharmacy 300

  • Community/Retail Pharmacy
  • Mequon, WI
  • NPI 1134777337
  NPD (past)

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

• Grays Harbor Community Hospital

  • General Acute Care Hospital
  • Aberdeen, WA
  • NPI 1154378859
  Care Compare affiliation

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

{
    "created_epoch": "1617062400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778889600000",
    "number": "1619555703",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8701 WATERTOWN PLANK RD",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532263548",
            "telephone_number": "414-955-0437",
            "fax_number": "414-955-0093"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 N 92ND ST",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532261202",
            "telephone_number": "414-805-3000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2900 W Oklahoma Ave",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532154330",
            "country_code": "US",
            "telephone_number": "414-649-6000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5000 W National Ave",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532950001",
            "country_code": "US",
            "telephone_number": "414-384-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALCANTARA",
        "first_name": "RYAN",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-03-30",
        "last_updated": "2026-05-16",
        "certification_date": "2026-05-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WI",
            "license": "87307-20",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WA",
            "license": "MD61540098",
            "primary": true
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "WI",
            "license": "87307-20",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alberto a. Maya, M.D., S.C.
• Alberto C Clar MD SC
• Calvin Mitchell Albrecht, MD
• Meredith Ann Albrecht, MD PHD
• Tammi Albrecht, APNP
• Natalie Alcaraz, RDN
• Rosalina Alcauter, APSW
• Remedios Senora Alcera-Poe, M.D.
• Maria Alchaouaf, DDS
• Erika Aldag, PHARMD

• Emergency Medicine Physician in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Emergency Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 16, 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.