Heather Kay O'Toole, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

35759 Issued in AZ

Practice address

4131 N 24TH St
#B102
Phoenix, AZ 85016-6262

Phone

(602) 955-6632

Fax

(602) 381-1341

NPI assigned

Aug 17, 2005

Last updated

May 27, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in AZ, UT2 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

Family Practice

Education

Sanford School of Medicine of University of South Dakota, 2000

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sjhmc Physician ServicesGroup PAC ID 4486646197, 645 clinicians

Practice addresses (Care Compare)

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.

• Sjhmc Physician Services

  dba St. Joseph's Faculty Physicians

  • Multi-Specialty Clinic/Center
  • Phoenix, AZ
  • NPI 1326098005
  Medicare reassignment Care Compare group NPD
• Honorhealth Medical Group, LLC

  • Primary Care Clinic/Center
  • Peoria, AZ
  • NPI 1043851793
  Medicare reassignment NPD
• Ihc Health Services Inc

  • Multi-Specialty Clinic/Center
  • Sandy, UT
  • NPI 1942325154
  Medicare reassignment NPD
• Honorhealth Medical Group, LLC

  dba John C. Lincoln LLC dba Arcadia Family Clinic

  • Family Medicine Physician
  • Phoenix, AZ
  • NPI 1033104716
  NPD
• Honorhealth Medical Group, LLC

  dba HonorHealth Medical Group

  • Family Medicine Physician
  • Peoria, AZ
  • NPI 1043666910
  NPD
• Honorhealth Medical Group, LLC

  • Family Medicine Physician
  • Scottsdale, AZ
  • NPI 1285338343
  NPD
• Squaw Peak Family Physicians PC

  • Family Medicine Physician
  • Phoenix, AZ
  • NPI 1578590303
  NPD
• St Josephs Pathology

  dba Pathology Associates LTD

  • Anatomic Pathology & Clinical Pathology Physician
  • Phoenix, AZ
  • NPI 1265407738
  NPD
• St. Joseph's Hospital and Medical Center

  dba SJHMC Trauma Services

  • Emergency Care Clinic/Center
  • Phoenix, AZ
  • NPI 1255382412
  NPD
• Ihc Health Services Inc

  dba South Ogden InstaCare

  • Emergency Medicine Physician
  • South Ogden, UT
  • NPI 1053456673
  NPD
• Ihc Health Services, Inc.

  dba St George Adolescent Partial Hospitalization

  • Psychiatry Physician
  • St George, UT
  • NPI 1023843844
  NPD
• SSM Depaul Medical Group, Inc.

  dba DePaul Medical Group at Cross Keys

  • Family Medicine Physician
  • Florissant, MO
  • NPI 1952312951
  NPD (past)

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

{
    "created_epoch": "1124236800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779840000000",
    "number": "1992797880",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2500 W UTOPIA RD STE 100",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850274172",
            "telephone_number": "602-214-6148",
            "fax_number": "602-214-6149"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4131 N 24TH ST",
            "address_2": "#B102",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850166262",
            "telephone_number": "602-955-6632",
            "fax_number": "602-381-1341"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2927 N 7th Ave",
            "address_purpose": "LOCATION",
            "city": "Phoenix",
            "state": "AZ",
            "postal_code": "850134102",
            "country_code": "US",
            "telephone_number": "602-406-3153",
            "fax_number": "602-406-7176",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "500 W Thomas Rd Ste 900A",
            "address_purpose": "LOCATION",
            "city": "Phoenix",
            "state": "AZ",
            "postal_code": "850134223",
            "country_code": "US",
            "telephone_number": "602-406-3540",
            "fax_number": "602-406-7186",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'TOOLE",
        "first_name": "HEATHER",
        "middle_name": "KAY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-08-17",
        "last_updated": "2026-05-27",
        "certification_date": "2026-05-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "AZ",
            "license": "35759",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MO",
            "license": "2010018310",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Melanie O'Rourke, M.A., CCC-SLP
• Sheila Elizabeth O'Shea, RN
• Debra O'Sullivan, PHARMD
• Erin A O'Sullivan, MD
• Renee O'Sullivan, NNP
• Lauren Mueller O'Toole, PT, DPT
• O&T Health and Wellness Center LLC
• Oak Medical LLC (Advanced Urgent Care)
• Oak Park Behavioral Health Services LLC
• Oak St Healthcare LLC

• Family Medicine Physician in Phoenix, AZ
• Providers in Phoenix, AZ by specialty
• Family Medicine Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 27, 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.