Mark William Deardorff, M.D.

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

15804 Issued in AZ

Practice address

120 S Val Vista Dr
Gilbert, AZ 85296-1370

Phone

(480) 733-6500

Fax

(480) 633-3794

NPI assigned

Feb 10, 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

Medicare fee-for-service enrollment

Enrolled in AZ

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• Phoenix Children'S Hospital

  • Pediatrics Physician
  • Phoenix, AZ
  • NPI 1922112044
  Medicare reassignment NPD
• Palo Verde Pediatrics PLLC

  • Pediatrics Physician
  • Gilbert, AZ
  • NPI 1750355970
  NPD (past) Authorized official
• Phoenix Children'S Medical Group

  • Multi-Specialty Clinic/Center
  • Mesa, AZ
  • NPI 1487814240
  NPD
• Phoenix Children'S Medical Group

  • Multi-Specialty Clinic/Center
  • Glendale, AZ
  • NPI 1679703441
  NPD

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

{
    "created_epoch": "1139529600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1700859592",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "120 S VAL VISTA DR",
            "city": "GILBERT",
            "state": "AZ",
            "postal_code": "852961370",
            "telephone_number": "480-733-6500",
            "fax_number": "480-633-3794"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "120 S VAL VISTA DR",
            "city": "GILBERT",
            "state": "AZ",
            "postal_code": "852961370",
            "telephone_number": "480-733-6500",
            "fax_number": "480-633-3794"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEARDORFF",
        "first_name": "MARK",
        "middle_name": "WILLIAM",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-10",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "AZ",
            "license": "15804",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Randall Morris Deal Sr., PHARM.D.
• Amanda Gail Dean Martin, ACNP-BC
• Dean R Gambino MD PC
• Gentry Belle Dean-Carter
• Kelly Deangelis, DC
• Kristen Rita Dearing, DNP, FNP-BC
• Iona Dease, LCSW
• Courtney Deaver
• Collin Debarbrie, DPT, ATC
• Corey Wayne Deberry-Seguine, PA-C

• Pediatrics Physician in Gilbert, AZ
• Providers in Gilbert, AZ by specialty
• Pediatrics Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.