Individual provider Active NPI

Max A Cayo, MD, PHD

  • Surgery Physician
  • Dallas, TX
National Provider Identifier
1083106975
Registry record updated Jul 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
DR.0069100 Issued in CO
Practice address
3500 Gaston Ave
Dallas, TX 75246-2017
Phone
(214) 820-2361
NPI assigned
Jun 6, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 21, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X DR.0069100 CO Primary

Addresses

Primary practice location

3500 Gaston Ave
Dallas, TX 75246-2017

Mailing address

4773 N Oakland Ave
Milwaukee, WI 53211-1234
Phone (414) 793-7040

Other practice location 1

750 Hospital Loop
Craig, CO 81625-8750
Phone (970) 824-9411

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO
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

Enrollment IDStateProvider typePAC IDDetails
I20260212000369 CO Practitioner - General Surgery 4587917620 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Medical College of Wisconsin, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
The Memorial HospitalGroup PAC ID 1254231533, 47 clinicians

Practice addresses (Care Compare)

750 Hospital Loop
Craig, CO 81625-8750
Phone (970) 824-9411

Hospital & facility affiliations

  • Memorial Hospital, the Hospital, Craig, CO, CCN 061314

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine, Doctor of Philosophy

Practice roles

OrganizationSpecialtyStatusNew patients
The Memorial Hospital CurrentSince Feb 1, 2026 Accepting new patients
The Memorial Hospital CurrentSince Feb 1, 2026 Accepting new patients

Locations

750 Hospital Loop
Craig, CO 81625
Phone (970) 824-9411

Organizations & group practices 2

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.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1528243200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784592000000",
    "number": "1083106975",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4773 N OAKLAND AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532111234",
            "telephone_number": "414-793-7040"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3500 GASTON AVE",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752462017",
            "telephone_number": "214-820-2361"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "750 Hospital Loop",
            "address_purpose": "LOCATION",
            "city": "Craig",
            "state": "CO",
            "postal_code": "816258750",
            "country_code": "US",
            "telephone_number": "970-824-9411",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CAYO",
        "first_name": "MAX",
        "middle_name": "A",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-06-06",
        "last_updated": "2026-07-21",
        "certification_date": "2026-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CO",
            "license": "DR.0069100",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Dallas, TX

Sources for this page

Verify at the official NPI Registry.