Individual provider Active NPI

Stephen Michael Seibert, MD

  • Anesthesiology Physician
  • Greenwood Village, CO
National Provider Identifier
1225667454
Registry record updated Apr 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
DR.0073640 Issued in CO
Practice address
8000 E Maplewood Ave Ste 120
Greenwood Village, CO 80111-4766
Phone
(303) 438-3999
Fax
(720) 439-9500
NPI assigned
Apr 8, 2020
Last updated
Apr 7, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 7, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207L00000X 35.148537 OH
Anesthesiology Physician 207L00000X DR.0073640 CO Primary

Addresses

Primary practice location

8000 E Maplewood Ave Ste 120
Greenwood Village, CO 80111-4766

Mailing address

PO Box 840862
Dallas, TX 75284-0862
Phone (303) 780-0787

Other practice location 1

9500 Euclid Ave
Cleveland, OH 44195-0001
Phone (216) 444-2200

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO, OH2 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

Enrollment IDStateProvider typePAC IDDetails
I20240726002068 CO Practitioner - Anesthesiology 1153743554 Reassigns benefits to 1 organization
I20260316000072 OH Practitioner - Anesthesiology 1153743554 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
US Anesthesia Partners of Colorado IncGroup PAC ID 6002072055, 472 clinicians
Cleveland ClinicGroup PAC ID 1850203555, 6,954 clinicians

Practice addresses (Care Compare)

4567 E 9TH Ave
Rose Medical Center
Denver, CO 80220-3908
Phone (303) 438-3999

9500 Euclid Ave
Cleveland, OH 44195-0001
Phone (216) 636-1768

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.8 of 100Reported as group
Quality
85
Improvement activities
40
Cost
76.83

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
DR.0073640COMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The Cleveland Clinic Foundation Single Specialty CurrentSince Jan 31, 2026 Accepting new patients
US Anesthesia Partners of Kansas PA Single Specialty CurrentSince Jul 7, 2024 Accepting new patients
US Anesthesia Partners of Colorado Inc. Single Specialty CurrentSince Jul 15, 2024 Accepting new patients

Locations

4567 E 9th Ave
Denver, CO 80220
Phone (303) 302-2121

8000 E Maplewood Ave
Ste 120
Greenwood Village, CO 80111

10101 Ridgegate Pkwy
Lone Tree, CO 80124
Phone (720) 225-1000

9500 Euclid Ave
Cleveland, OH 44195
Phone (216) 442-1270

12222 Merit Dr
Ste 600
Dallas, TX 75251
Phone (972) 776-3185

Organizations & group practices 3

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.

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": "1586304000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775520000000",
    "number": "1225667454",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 840862",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752840862",
            "telephone_number": "303-780-0787",
            "fax_number": "303-780-0787"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8000 E MAPLEWOOD AVE STE 120",
            "city": "GREENWOOD VILLAGE",
            "state": "CO",
            "postal_code": "801114766",
            "telephone_number": "303-438-3999",
            "fax_number": "720-439-9500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9500 Euclid Ave",
            "address_purpose": "LOCATION",
            "city": "Cleveland",
            "state": "OH",
            "postal_code": "441950001",
            "country_code": "US",
            "telephone_number": "216-444-2200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SEIBERT",
        "first_name": "STEPHEN",
        "middle_name": "MICHAEL",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-04-08",
        "last_updated": "2026-04-07",
        "certification_date": "2026-04-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Anesthesiology",
            "state": "OH",
            "license": "35.148537",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CO",
            "license": "DR.0073640",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Greenwood Village, CO

Sources for this page

Verify at the official NPI Registry.