Zaid Alkaissy, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

73667 Issued in AZ

Practice address

6020 E Arbor Ave Ste 101
Mesa, AZ 85206-6102

Phone

(480) 985-1700

Fax

(480) 396-3659

NPI assigned

May 14, 2019

Last updated

Jul 23, 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 2

Addresses

Medicare fee-for-service enrollment

Enrolled in VA, AZ2 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

Internal Medicine

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Arizona Digestive Health PCGroup PAC ID 6507940731, 134 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Winchester Medical Center Hospital, Winchester, VA, CCN 490005
• Banner Baywood Medical Center Hospital, Mesa, AZ, CCN 030088

Procedures performed for Medicare patients

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.

• Arizona Digestive Health, PC

  • Gastroenterology Physician
  • Scottsdale, AZ
  • NPI 1992981583
  Medicare reassignment Care Compare group NPD
• Banner Physician Specialists Arizona LLC

  • Multi-Specialty Clinic/Center
  • Phoenix, AZ
  • NPI 1821368218
  Medicare reassignment
• Winchester Gastroenterology Associates

  • Gastroenterology Physician
  • Winchester, VA
  • NPI 1740248525
  NPD
• Winchester Gastoenterology Associates

  • Specialist
  • Winchester, VA
  • NPI 1922497536
  NPD (past)

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

• Banner Baywood Medical Center

  • General Acute Care Hospital
  • Mesa, AZ
  • NPI 1194758284
  Care Compare affiliation
• Winchester Medical Center

  • General Acute Care Hospital
  • Winchester, VA
  • NPI 1619928017
  Care Compare affiliation
• Winchester Medical Center

  dba Valley Health Laboratories

  • Clinical Medical Laboratory
  • Winchester, VA
  • NPI 1790024909

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1557792000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784764800000",
    "number": "1285290445",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3260 N HAYDEN RD STE 112",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "852516650",
            "telephone_number": "602-264-9100",
            "fax_number": "602-264-9101"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6020 E ARBOR AVE STE 101",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852066102",
            "telephone_number": "480-985-1700",
            "fax_number": "480-396-3659"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALKAISSY",
        "first_name": "ZAID",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-05-14",
        "last_updated": "2026-07-23",
        "certification_date": "2026-07-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "73667",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "AZ",
            "license": "73667",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Shirley Ann Ali
• Alicia J Kostov (A Better Way Counseling Services)
• Lien Alimam
• Alium Health
• Alium Health, LLC
• Karissa Nawal Alkhafi, AGACNP-BC
• All Around Miracle LLC
• All in Health Services LLC, Dba
• All in One Health Center LLC
• All in One Health Clinic, Inc.

• 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 Jul 23, 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.