William I Parker, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

28723 Issued in IA

Practice address

1000 4TH St SW
Suite ER
Mason City, IA 50401-2800

Phone

(641) 422-7234

Fax

(641) 422-6373

NPI assigned

Aug 25, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 2

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IA, FL2 enrollments

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 2

Specialty

Emergency Medicine

Education

Other, 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Emergency Medicine Services of FL LLCGroup PAC ID 8426413931, 686 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercyone North Iowa Medical Center Hospital, Mason City, IA, CCN 160064
• HCA Florida Englewood Hospital Hospital, Englewood, FL, CCN 100267
• HCA Florida Lake City Hospital Hospital, Lake City, FL, CCN 100156

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mc.mmcmc.him@direct.2.mycarefile.org
• Direct secure messaging: wparker3954242@direct.trinity-health.org

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

• Emergency Medicine Services of FL, LLC

  • Emergency Medicine Physician
  • Aventura, FL
  • NPI 1043917180
  Medicare reassignment Care Compare group NPD
• Kossuth Regional Health Center

  • Critical Access Hospital
  • Algona, IA
  • NPI 1841361276
  Medicare reassignment NPD
• North Iowa Mercy Clinics

  • Anesthesiology Physician
  • Mason City, IA
  • NPI 1780278242
  Medicare reassignment NPD
• Spencer Municipal Hospital

  • Clinic/Center
  • Milford, IA
  • NPI 1396732186
  Medicare reassignment NPD
• Intensivist Medicine Services of FL, LLC

  • Critical Care Medicine (Internal Medicine) Physician
  • Tampa, FL
  • NPI 1235836388
  Medicare reassignment NPD
• Kossuth Regional Health Center

  • Family Medicine Physician
  • Algona, IA
  • NPI 1184636557
  Medicare reassignment
• Lakes Regional Healthcare

  • Emergency Medicine Physician
  • Spirit Lake, IA
  • NPI 1336291160
  Medicare reassignment
• North Iowa Mercy Clinics

  • Emergency Medicine Physician
  • Mason City, IA
  • NPI 1568471597
  NPD
• North Iowa Mercy Clinics

  • Sports Medicine (Family Medicine) Physician
  • Mason City, IA
  • NPI 1982300349
  NPD
• Spencer Municipal Hospital

  • Clinic/Center
  • Hartley, IA
  • NPI 1225767338
  NPD
• Spencer Municipal Hospital

  • Rural Acute Care Hospital
  • Spencer, IA
  • NPI 1255328621
  NPD
• Spencer Municipal Hospital

  • Orthopaedic Surgery Physician
  • Spencer, IA
  • NPI 1316432826
  NPD

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

• Mercy Health Services-Iowa Corp

  • Rural Acute Care Hospital
  • Mason City, IA
  • NPI 1467537886
  Care Compare affiliation
• Englewood Community Hospital, Inc.

  • General Acute Care Hospital
  • Englewood, FL
  • NPI 1639122864
  Care Compare affiliation
• Notami Hospitals of Florida Inc

  • General Acute Care Hospital
  • Lake City, FL
  • NPI 1992751879
  Care Compare affiliation

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

{
    "created_epoch": "1156464000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1696982400000",
    "number": "1356459903",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "621 S ILLINOIS AVE",
            "address_2": "SUITE 103",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504015489",
            "telephone_number": "641-494-3041",
            "fax_number": "641-494-3059"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 4TH ST SW",
            "address_2": "SUITE ER",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504012800",
            "telephone_number": "641-422-7234",
            "fax_number": "641-422-6373"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PARKER",
        "first_name": "WILLIAM",
        "middle_name": "I",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-25",
        "last_updated": "2023-10-11",
        "certification_date": "2023-10-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IA",
            "license": "28723",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2073189",
            "state": "IA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WELLMARK",
            "identifier": "47792",
            "state": "IA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mc.mmcmc.him@direct.2.mycarefile.org",
            "affiliation": "Y",
            "endpointDescription": "MercyOne North Iowa Direct Email",
            "affiliationName": "MercyOne North Iowa",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "1000 4th St SW",
            "address_2": "SUITE ER",
            "city": "Mason City",
            "state": "IA",
            "country_code": "US",
            "postal_code": "504012800",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• William B Paltzer, MD
• Pamela Little Inc
• Karen Ann Parcher, RPH
• Parents United
• Parents United of North Central Iowa, Inc
• Etee Patel, MD
• Pathology Associates of Mason City
• Stephanie Sara Patterson, TCADC
• Parker Ray Pattschull
• Jenna Paulus

• Emergency Medicine Physician in Mason City, IA
• Providers in Mason City, IA by specialty
• Emergency Medicine Physician in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 11, 2023; 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.