NPIMap

Individual provider Active NPI

Gregory James Schleis, MD

  • Endocrinology, Diabetes & Metabolism Physician
  • Avon, CO
National Provider Identifier
1154783207
Registry record updated Jul 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
License
CDR.0007037 Issued in CO
Practice address
50 Buck Creek Rd Ste 300
Avon, CO 81620-5428
Phone
(970) 926-6340
Fax
(970) 926-6348
NPI assigned
Mar 27, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 10, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Endocrinology, Diabetes & Metabolism Physician 207RE0101X CDR.0007037 CO Primary
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 85787 SC

Addresses

Primary practice location

50 Buck Creek Rd Ste 300
Avon, CO 81620-5428

Mailing address

PO Box 4330
Avon, CO 81620-4330
Phone (970) 926-6340

Other practice location 1

1025 Verdae Blvd
Greenville, SC 29607-4032
Phone (864) 242-4683

Other identifiers 1

IdentifierTypeStateIssuer
857870MedicaidSC

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230814002088 WA Practitioner - EndocrinologyPractitioner - Internal Medicine 3971935214 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
EndocrinologyAlso: Internal Medicine
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Multicare Health SystemGroup PAC ID 7719899897, 2,312 clinicians

Practice addresses (Care Compare)

300 E 5TH Ave
Spokane, WA 99202-1334

400 E 5TH Ave
Spokane, WA 99202-1334
Phone (509) 838-2531

4700 Point Fosdick Dr
Gig Harbor, WA 98335-1706

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
85787SCMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Multicare Health System CurrentSince Jul 19, 2023 Accepting new patients
Multicare Health System Current Accepting new patients
Multicare Health System CurrentSince Jul 19, 2023 Accepting new patients
Rockwood Clinic PS Internal Medicine Past Accepting new patients
Multicare Health System Past Accepting new patients

Locations

4700 Point Fosdick Dr
Ste 104
Gig Harbor, WA 98335
Phone (253) 459-7590

311 S L St
Tacoma, WA 98405
Phone (253) 403-1444

Organizations & group practices 5

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 3

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": "1459036800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783641600000",
    "number": "1154783207",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 4330",
            "city": "AVON",
            "state": "CO",
            "postal_code": "816204330",
            "telephone_number": "970-926-6340",
            "fax_number": "970-926-6348"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "50 BUCK CREEK RD STE 300",
            "city": "AVON",
            "state": "CO",
            "postal_code": "816205428",
            "telephone_number": "970-926-6340",
            "fax_number": "970-926-6348"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1025 Verdae Blvd",
            "address_purpose": "LOCATION",
            "city": "Greenville",
            "state": "SC",
            "postal_code": "296074032",
            "country_code": "US",
            "telephone_number": "864-242-4683",
            "fax_number": "864-240-8104",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SCHLEIS",
        "first_name": "GREGORY",
        "middle_name": "JAMES",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-03-27",
        "last_updated": "2026-07-10",
        "certification_date": "2026-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "CO",
            "license": "CDR.0007037",
            "primary": true
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "SC",
            "license": "85787",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "857870",
            "state": "SC"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Avon, CO

Sources for this page

Verify at the official NPI Registry.