Alexander Dominicus Zwart, MD, FACP

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

23182 Issued in AZ

Practice address

5910 N la Cholla Blvd
Tucson, AZ 85741-3535

Phone

(520) 297-0404

Fax

(520) 297-0436

NPI assigned

Jan 19, 2006

Last updated

Dec 4, 2025By 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 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

EndocrinologyAlso: Internal Medicine

Education

Other, 1988

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Tucson Endocrine Associates PLLCGroup PAC ID 2961482864, 4 clinicians

El Rio Santa Cruz Neighborhood Health Center, Inc.Group PAC ID 6305739244, 283 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Tucson Medical Center Hospital, Tucson, AZ, CCN 030006
• Copper Queen Community Hospital Hospital, Bisbee, AZ, CCN 031312
• Northern Cochise Community Hospital, Inc. Hospital, Willcox, AZ, CCN 031302
• Oro Valley Hospital Hospital, Oro Valley, AZ, CCN 030114

Merit-based Incentive Payment System (MIPS)

Final score

88.88 of 100Reported as group

Quality

86.69

Promoting interoperability

99

Improvement activities

40

Cost

77.06

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: alexander.zwart@tea.eclinicaldirectplus.com
• Direct secure messaging: azwart35461@elrio.direct.ci.com
• FHIR API: https://fhir4.healow.com/fhir/r4/JCACBA

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.

• Tucson Endocrine Associates PLLC

  • Endocrinology, Diabetes & Metabolism Physician
  • Tucson, AZ
  • NPI 1083766828
  Medicare reassignment Care Compare group NPD Authorized official
• El Rio Santa Cruz Neighborhood Health Center, Inc

  dba El Rio Community Health Center

  • Federally Qualified Health Center (FQHC)
  • Tucson, AZ
  • NPI 1487602736
  Medicare reassignment Care Compare group NPD
• El Rio Santa Cruz Neighborhood Health Center, Inc

  dba University Health Center

  • Federally Qualified Health Center (FQHC)
  • Tucson, AZ
  • NPI 1598457525
  NPD
• El Rio Santa Cruz Neighborhood Health Center, Inc

  dba El Rio Health Cherrybell

  • Federally Qualified Health Center (FQHC)
  • Tucson, AZ
  • NPI 1790249837
  NPD

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

• Bisbee Hospital Association

  • Critical Access Hospital
  • Bisbee, AZ
  • NPI 1518968767
  Care Compare affiliation
• Northern Cochise Community Hospital Inc

  • Critical Access Hospital
  • Willcox, AZ
  • NPI 1013060367
  Care Compare affiliation
• Oro Valley Hospital LLC

  dba Oro Valley Hospital

  • General Acute Care Hospital
  • Oro Valley, AZ
  • NPI 1386697688
  Care Compare affiliation
• Tucson Medical Center

  • General Acute Care Hospital
  • Tucson, AZ
  • NPI 1174512792
  Care Compare affiliation

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

{
    "created_epoch": "1137628800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764806400000",
    "number": "1225018856",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 43160",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857333160",
            "telephone_number": "520-297-0404",
            "fax_number": "520-297-0436"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5910 N LA CHOLLA BLVD",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857413535",
            "telephone_number": "520-297-0404",
            "fax_number": "520-297-0436"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1773 W Saint Marys Rd Ste 202",
            "address_purpose": "LOCATION",
            "city": "Tucson",
            "state": "AZ",
            "postal_code": "857452654",
            "country_code": "US",
            "telephone_number": "520-297-0404",
            "fax_number": "520-297-0436",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "839 W Congress St",
            "address_purpose": "LOCATION",
            "city": "Tucson",
            "state": "AZ",
            "postal_code": "857452819",
            "country_code": "US",
            "telephone_number": "520-670-3909",
            "fax_number": "520-309-2560",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZWART",
        "first_name": "ALEXANDER",
        "middle_name": "DOMINICUS",
        "name_prefix": "Dr.",
        "credential": "MD, FACP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-19",
        "last_updated": "2025-12-04",
        "certification_date": "2025-12-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "AZ",
            "license": "23182",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "315160",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Endocrinology, Diabetes & Metabolism Physician in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Endocrinology, Diabetes & Metabolism Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 4, 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.