Jason McMaster, M.D.

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

ME140220 Issued in FL

Practice address

601 E Rollins St
Orlando, FL 32803-1248

Phone

(407) 975-0406

Fax

(407) 975-0407

NPI assigned

Mar 24, 2012

Last updated

Apr 2, 2026By 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 3

Addresses

Other identifiers 1

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in TN, MI, WI, FL4 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 4

Specialty

Obstetrics/Gynecology

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Watertown Physician Practices LLCGroup PAC ID 8022329408, 64 clinicians

Dean Health Systems IncGroup PAC ID 7012827983, 1,174 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• SSM Health St Clare Hospital - Baraboo Hospital, Baraboo, WI, CCN 520057
• Watertown Memorial Hospital Hospital, Watertown, WI, CCN 520116

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 35)

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/8070/brand/1/csg/1/fhir/r4
• Direct secure messaging: jason.mcmaster.1@17022.direct.athenahealth.com
• Direct secure messaging: jmcmaster453526@direct-ehr-ssmhc.com

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.

• Dean Health Systems, Inc

  dba SSM Health Dean Medical Group

  • Allergy & Immunology Physician
  • Madison, WI
  • NPI 1053358846
  Medicare reassignment Care Compare group NPD
• Watertown Physician Practices LLC

  • Family Medicine Physician
  • Watertown, WI
  • NPI 1770964363
  Medicare reassignment Care Compare group NPD
• OB Hospitalist Group LLC

  • Obstetrics & Gynecology Physician
  • Boca Raton, FL
  • NPI 1710647334
  Medicare reassignment NPD
• Agnesian Healthcare, Inc

  dba SSM Health St Agnes Hospital Fond Du Lac

  • General Acute Care Hospital
  • Fond Du Lac, WI
  • NPI 1346228541
  Medicare reassignment NPD
• Beaver Dam Community Hospitals Inc

  dba Marshfield Medical Center - Beaver Dam Professional Services

  • Clinic/Center
  • Beaver Dam, WI
  • NPI 1972188555
  Medicare reassignment NPD
• Columbia St. Mary's Hospital Milwaukee, Inc

  dba Ascension Columbia St Mary's Hospital Milwaukee

  • Multi-Specialty Clinic/Center
  • Milwaukee, WI
  • NPI 1023064482
  Medicare reassignment NPD
• Flambeau Hospital Inc

  dba MMC - Park Falls Outreach Services

  • Clinic/Center
  • Park Falls, WI
  • NPI 1194317966
  Medicare reassignment NPD
• Flambeau Hospital Inc

  dba Marshfield Medical Center - Park Falls

  • Critical Access Hospital
  • Park Falls, WI
  • NPI 1700963048
  Medicare reassignment NPD
• Lakeview Medical Center Inc of Rice Lake

  dba Marshfield Medical Center - Rice Lake Professional Services

  • Clinic/Center
  • Rice Lake, WI
  • NPI 1093201832

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Marshfield Clinic Inc

  dba Marshfield Clinic Florida Teleradiology/Telehealth

  • Clinic/Center
  • Marshfield, WI
  • NPI 1952347981
  Medicare reassignment NPD
• MCHS Hospitals Inc

  dba Marshfield Medical Center

  • Clinic/Center
  • Marshfield, WI
  • NPI 1093221434
  Medicare reassignment NPD
• MCHS Hospitals Inc

  dba Marshfield Medical Center - Ladysmith

  • Critical Access Hospital
  • Ladysmith, WI
  • NPI 1952890873
  Medicare reassignment NPD

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

• SSM Health Care of Wisconsin Inc

  dba SSM Health St Clare Hospital-Baraboo

  • General Acute Care Hospital
  • Baraboo, WI
  • NPI 1386641207
  Care Compare affiliation
• Watertown Medical Center LLC

  dba Watertown Regional Medical Center

  • General Acute Care Hospital
  • Watertown, WI
  • NPI 1992776041
  Care Compare affiliation

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

{
    "created_epoch": "1332547200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775088000000",
    "number": "1184990178",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 E ROLLINS ST",
            "city": "ORLANDO",
            "state": "FL",
            "postal_code": "328031248",
            "telephone_number": "407-975-0406",
            "fax_number": "407-975-0407"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "601 E ROLLINS ST",
            "city": "ORLANDO",
            "state": "FL",
            "postal_code": "328031248",
            "telephone_number": "407-975-0406",
            "fax_number": "407-975-0407"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Marshfield Clinic Eau Claire Center",
            "address_2": "2116 Craig Rd",
            "address_purpose": "LOCATION",
            "city": "Eau Claire",
            "state": "WI",
            "postal_code": "547016149",
            "country_code": "US",
            "telephone_number": "715-858-4500",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "700 S Park St",
            "address_purpose": "LOCATION",
            "city": "Madison",
            "state": "WI",
            "postal_code": "537151830",
            "country_code": "US",
            "telephone_number": "608-251-6100",
            "fax_number": "608-258-6772",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCMASTER",
        "first_name": "JASON",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-03-24",
        "last_updated": "2026-04-02",
        "certification_date": "2026-04-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "FL",
            "license": "ME140220",
            "primary": true
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "WI",
            "license": "61546",
            "primary": false
        },
        {
            "code": "207VG0400X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecology",
            "state": "TN",
            "license": "MD54321",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1184990178",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "700 S Park St",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537151830",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jmcmaster453526@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "jmcmaster453526@direct-ehr-ssmhc.com",
            "address_1": "700 S Park St",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537151830",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Patrick Connor McMahon, PTA
• Alexandra Grace McManus
• Katharine McManus, PA-C
• Kevin Bradley McManus Jr., RBT
• Brian Christopher McMaster, DO
• Trisha McMichael Edwards, CRNA
• McMillan Billing Corp
• Elizabeth Jean McMillan, OT1138
• Tanya McMillan
• Lori Beth McMillen, LMHC

• Obstetrics & Gynecology Physician in Orlando, FL
• Providers in Orlando, FL by specialty
• Obstetrics & Gynecology Physician in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 2, 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.