David A Tessler, DO

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

4213 Issued in AZ

Practice address

3638 E Southern Ave Ste C101
Mesa, AZ 85206-2563

Phone

(480) 564-3763

Fax

(480) 716-3723

NPI assigned

Jan 6, 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 1

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

Specialty

GastroenterologyAlso: Internal Medicine

Education

Midwestern University, Chicago College of Osteopathic Med, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Central Arizona Medical Associates PCGroup PAC ID 7416932389, 12 clinicians

Arizona Gastrointestinal Associates PLCGroup PAC ID 6901054014, 36 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Banner Gateway Medical Center Hospital, Gilbert, AZ, CCN 030122

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gehdtessl@yourcarecommunity.org
• Direct secure messaging: david.tessler.p1@direct.camavmed.nextgenshare.com
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

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.

• Arizona Gastrointestinal Associates, PLC

  • Gastroenterology Physician
  • Phoenix, AZ
  • NPI 1356609002
  Medicare reassignment Care Compare group NPD
• Central Arizona Medical Associates PC

  • Adult Medicine Physician
  • Mesa, AZ
  • NPI 1659487833

  Gastroenterology

  Medicare reassignment Care Compare group NPD
• Central Arizona Endoscopy, LLC

  • Certified Registered Nurse Anesthetist
  • Mesa, AZ
  • NPI 1386020519
  NPD (past)
• Central Arizona Gastroenterology PC

  • Gastroenterology Physician
  • Mesa, AZ
  • NPI 1093518995
  NPD (past)

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

• Banner Gateway Medical Center

  • General Acute Care Hospital
  • Gilbert, AZ
  • NPI 1699884858
  Care Compare affiliation

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

{
    "created_epoch": "1136505600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769731200000",
    "number": "1659359883",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3638 E SOUTHERN AVE STE C101",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852062563",
            "telephone_number": "480-564-3763",
            "fax_number": "480-716-3723"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3638 E SOUTHERN AVE STE C101",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852062563",
            "telephone_number": "480-564-3763",
            "fax_number": "480-716-3723"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TESSLER",
        "first_name": "DAVID",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-06",
        "last_updated": "2026-01-30",
        "certification_date": "2026-01-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "AZ",
            "license": "4213",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "946105",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Terros, Inc.
• Terros, Inc.
• Terros, Inc.
• Terros, Inc.
• Donovan Terry, PHARMD
• Alberto J Texidor, PHD
• Daniel Thai
• Kiran I Thaker, PA
• Millard Phillip Thaler, MD
• Thanoon Z. Thanoon

• Gastroenterology Physician in Mesa, AZ
• Providers in Mesa, AZ by specialty
• Gastroenterology Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 30, 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.