Thayer Starr Phelan, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

DR.0053427 Issued in CO

Practice address

1501 N Williamson Ave
Winslow, AZ 86047-2735

Phone

(928) 289-4691

NPI assigned

May 25, 2007

Sex

Female

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 1

Medicare fee-for-service enrollment

Enrolled in ME, CO, IL, AZ, IN5 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 5

Specialty

Emergency Medicine

Education

Other, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Innova Emergency Medical Associates PCGroup PAC ID 2860633435, 69 clinicians

Indiana University Health Southern Indiana Physicians LLCGroup PAC ID 6204748197, 474 clinicians

Iu Health Medical Group LLCGroup PAC ID 9638617913, 4,382 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Little Colorado Medical Center Hospital, Winslow, AZ, CCN 031311
• Indiana University Health Bedford Hospital Hospital, Bedford, IN, CCN 151328
• Indiana University Health Bloomington Hospital Hospital, Bloomington, IN, CCN 150051
• Indiana University Health Paoli Hospital Hospital, Paoli, IN, CCN 151306

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 and National Provider Directory roles.

• Indiana University Health Southern Indiana Physicians, LLC

  • Multi-Specialty Clinic/Center
  • Bloomington, IN
  • NPI 1013953983

  Emergency Medicine

  Medicare reassignment Care Compare group NPD
• Innova Emergency Medical Associates PC

  • Emergency Medicine Physician
  • Trinidad, CO
  • NPI 1295178978

  AZ

  Medicare reassignment Care Compare group NPD
• Iu Health Medical Group, LLC

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1326893777
  Medicare reassignment Care Compare group NPD
• Emergency Medicine Services of Maine, LLC

  • Emergency Medicine Physician
  • Ellsworth, ME
  • NPI 1578032058
  Medicare reassignment NPD
• Passavant Memorial Area Hospital Association

  • Internal Medicine Physician
  • Jacksonville, IL
  • NPI 1760994040

  Family Medicine

  Medicare reassignment NPD
• VMD Primary Providers Colorado, Inc

  • Primary Care Clinic/Center
  • Fort Collins, CO
  • NPI 1275646614

  Family Medicine

  Medicare reassignment NPD
• Emergency Professionals of Colorado, PC

  • Emergency Medicine Physician
  • Loveland, CO
  • NPI 1396496469
  Medicare reassignment
• Midwest Emergency Department Specialists LTD

  • Emergency Medicine Physician
  • Springfield, IL
  • NPI 1245263367
  Medicare reassignment
• Passavant Memorial Area Hospital Association

  • Critical Access Hospital
  • Jacksonville, IL
  • NPI 1174580831
  Medicare reassignment
• Indiana University Health Southern Indiana Physicians LLC

  • Durable Medical Equipment & Medical Supplies
  • Bloomington, IN
  • NPI 1063179844
  NPD
• Passavant Memorial Area Hospital Association

  • Multi-Specialty Clinic/Center
  • Jacksonville, IL
  • NPI 1235864810
  NPD
• Emergency Professionals of Colorado, PC

  • Emergency Medicine Physician
  • Greeley, CO
  • NPI 1306421201
  NPD (past)

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

• Winslow Memorial Hospital Inc

  • Critical Access Hospital
  • Winslow, AZ
  • NPI 1477653889
  Care Compare affiliation
• Indiana University Health Bedford, Inc

  • Critical Access Hospital
  • Bedford, IN
  • NPI 1548260284
  Care Compare affiliation
• Indiana University Health Bedford, Inc.

  • Ambulance
  • Bedford, IN
  • NPI 1346218799

  Hospital

  Care Compare affiliation
• Indiana University Health Bloomington Inc

  • General Acute Care Hospital
  • Bloomington, IN
  • NPI 1205860335
  Care Compare affiliation
• Indiana University Health Paoli Inc

  • Critical Access Hospital
  • Paoli, IN
  • NPI 1912984451
  Care Compare affiliation

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

{
    "created_epoch": "1180051200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765324800000",
    "number": "1821209354",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "250 N SHADELAND AVE",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462194959"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1501 N WILLIAMSON AVE",
            "city": "WINSLOW",
            "state": "AZ",
            "postal_code": "860472735",
            "telephone_number": "928-289-4691"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2651 E Discovery Pkwy",
            "address_purpose": "LOCATION",
            "city": "Bloomington",
            "state": "IN",
            "postal_code": "474089059",
            "country_code": "US",
            "telephone_number": "812-353-9515",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PHELAN",
        "first_name": "THAYER",
        "middle_name": "STARR",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-05-25",
        "last_updated": "2025-12-10",
        "certification_date": "2025-12-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "AZ",
            "license": "75374",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CO",
            "license": "DR.0053427",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IN",
            "license": "01098090A",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "09892",
            "state": "LA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tphelan@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2651 E Discovery Pkwy",
            "city": "Bloomington",
            "state": "IN",
            "country_code": "US",
            "postal_code": "474089059",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Rikesh Amit Patel, DPM
• Michael W Pearson, MD
• Dennis Peters
• Stephanie E Peters, SCHOOL COUNSELOR
• Mark Gordon Peterson, MD
• Lindsey Phillips, RN
• Mary Frances Piercy, CFNP
• Georgia Lynne Polanchek, RN
• Jordan T Price, DO
• Laura S Pulido Cristancho

• Emergency Medicine Physician in Winslow, AZ
• Providers in Winslow, AZ by specialty
• Emergency Medicine Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 10, 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.