Individual provider Active NPI

Glenn M Bolton, MD

  • Anesthesiology Physician
  • Greenwood Village, CO
National Provider Identifier
1841279171
Registry record updated Jun 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
DR.0029492 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
Jan 13, 2006
Last updated
Jun 5, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 5, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X MD-54410 IA
Anesthesiology Physician 207L00000X MEDPHYSCOMLIC129117 MT
Anesthesiology Physician 207L00000X DR.0029492 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) 377-7638

Other practice location 1

2800 10th Ave N
Billings, MT 59101-0703
Phone (303) 438-3999

Other practice location 2

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone (319) 356-2633

Medicare participation

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

Enrollment IDStateProvider typePAC IDDetails
I20100505000310 CO Practitioner - Anesthesiology 5698803062 Reassigns benefits to 1 organization
I20231011001927 AZ Practitioner - Anesthesiology 5698803062 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 1984
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ias Arizona PLLCGroup PAC ID 7517312648, 122 clinicians

Practice addresses (Care Compare)

10360 E Drexel Rd
Tucson, AZ 85747-9405
Phone (520) 207-2546

5301 E Grant Rd
Tucson, AZ 85712-2805
Phone (469) 340-1366

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

Merit-based Incentive Payment System (MIPS)

Final score
0 of 100Reported as group
Quality
0
Improvement activities
0

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD-54410IAMDAnesthesiology Physician
MEDPHYSCOMLIC129117MTMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ias Arizona PLLC Anesthesiology CurrentSince Sep 20, 2023 Accepting new patients
US Anesthesia Partners of Kansas PA Anesthesiology CurrentSince Jun 16, 2024 Accepting new patients
US Anesthesia Partners of Colorado Inc. Anesthesiology CurrentSince Mar 1, 2016 Accepting new patients

Locations

10360 E Drexel Rd
Tucson, AZ 85747
Phone (469) 340-1366

5301 E Grant Rd
Tucson, AZ 85712
Phone (520) 324-1344

2525 S Downing St
Denver, CO 80210
Phone (303) 744-2706

333 W Hampden Ave
Ste 600
Englewood, CO 80110
Phone (303) 761-5646

8000 E Maplewood Ave
Ste 120
Greenwood Village, CO 80111

8000 E Maplewood Ave
Ste 200
Greenwood Village, CO 80111
Phone (303) 785-4700

7700 S Broadway
Littleton, CO 80122
Phone (303) 269-4786

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

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 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": "1137110400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749081600000",
    "number": "1841279171",
    "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": "303-377-7638",
            "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": "2800 10th Ave N",
            "address_purpose": "LOCATION",
            "city": "Billings",
            "state": "MT",
            "postal_code": "591010703",
            "country_code": "US",
            "telephone_number": "303-438-3999",
            "fax_number": "303-780-0787",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "200 Hawkins Dr",
            "address_purpose": "LOCATION",
            "city": "Iowa City",
            "state": "IA",
            "postal_code": "522421009",
            "country_code": "US",
            "telephone_number": "319-356-2633",
            "fax_number": "319-356-2940",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BOLTON",
        "first_name": "GLENN",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-13",
        "last_updated": "2025-06-05",
        "certification_date": "2025-06-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IA",
            "license": "MD-54410",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MT",
            "license": "MEDPHYSCOMLIC129117",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CO",
            "license": "DR.0029492",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Greenwood Village, CO

Sources for this page

Verify at the official NPI Registry.