Individual provider Active NPI

Robert T Hamblin, AA

  • Anesthesiologist Assistant
  • Madison, WI
National Provider Identifier
1639736754
Registry record updated Aug 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiologist AssistantTaxonomy code 367H00000X
License
637 Issued in WI
Practice address
600 Highland Ave
Madison, WI 53792-0001
Phone
(608) 263-8100
NPI assigned
May 23, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 26, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiologist Assistant 367H00000X ANT.0000219 CO
Anesthesiologist Assistant 367H00000X 637 WI Primary
Anesthesiologist Assistant 367H00000X 2019033080 MO

Addresses

Primary practice location

600 Highland Ave
Madison, WI 53792-0001

Mailing address

7974 Uw Health CT
Middleton, WI 53562-5531

Other practice location 1

12605 E 16th Ave
Aurora, CO 80045-2545
Phone (720) 848-0000

Other practice location 2

2525 Glenn Hendren Dr
Liberty, MO 64068-9625
Phone (816) 781-7200

Other practice location 3

615 S New Ballas Rd Dept Of
Saint Louis, MO 63141-8221
Phone (314) 251-6000

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230925001585 CO Practitioner - Anesthesiology Assistant 5193055143 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology Assistant
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
US Anesthesia Partners of Colorado IncGroup PAC ID 6002072055, 472 clinicians

Practice addresses (Care Compare)

9395 Crown Crest Blvd
Parker, CO 80138-8573
Phone (303) 438-3999

Hospital & facility affiliations

  • AdventHealth Parker Hospital, Parker, CO, CCN 060114
  • Adventhealth Castle Rock Hospital, Castle Rock, CO, CCN 060125
  • Sky Ridge Medical Center Hospital, Lone Tree, CO, CCN 060112

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Associate of Arts

State licenses

LicenseStateTypeSpecialty
ANT.0000219COMDAnesthesiologist Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
US Anesthesia Partners of Colorado Inc. Anesthesiologist Assistant CurrentSince Nov 14, 2024 Accepting new patients

Locations

12605 E 16th Ave
Aurora, CO 80045
Phone (720) 848-0006

13123 E 16th Ave
Aurora, CO 80045
Phone (720) 777-3846

8000 E Maplewood Ave
Ste 120
Greenwood Village, CO 80111

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

9395 Crown Crest Blvd
Parker, CO 80138
Phone (303) 269-4000

Organizations & group practices 1

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 8

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": "1558569600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787702400000",
    "number": "1639736754",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7974 UW HEALTH CT",
            "city": "MIDDLETON",
            "state": "WI",
            "postal_code": "535625531"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 HIGHLAND AVE",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537920001",
            "telephone_number": "608-263-8100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "12605 E 16th Ave",
            "address_purpose": "LOCATION",
            "city": "Aurora",
            "state": "CO",
            "postal_code": "800452545",
            "country_code": "US",
            "telephone_number": "720-848-0000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2525 Glenn Hendren Dr",
            "address_purpose": "LOCATION",
            "city": "Liberty",
            "state": "MO",
            "postal_code": "640689625",
            "country_code": "US",
            "telephone_number": "816-781-7200",
            "fax_number": "816-792-7196",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "615 S New Ballas Rd Dept Of",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631418221",
            "country_code": "US",
            "telephone_number": "314-251-6000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HAMBLIN",
        "first_name": "ROBERT",
        "middle_name": "T",
        "name_prefix": "Mr.",
        "credential": "AA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-05-23",
        "last_updated": "2026-08-26",
        "certification_date": "2026-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367H00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiologist Assistant",
            "state": "CO",
            "license": "ANT.0000219",
            "primary": false
        },
        {
            "code": "367H00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiologist Assistant",
            "state": "WI",
            "license": "637",
            "primary": true
        },
        {
            "code": "367H00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiologist Assistant",
            "state": "MO",
            "license": "2019033080",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Madison, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.