Active NPI
Robert T Hamblin, AA
- Anesthesiologist Assistant
- Madison, WI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiologist Assistant
- License
- 637
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
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
Practice addresses (Care Compare)
9395 Crown Crest Blvd
Parker, CO 80138-8573
Phone (303) 438-3999
Hospital & facility affiliations
- AdventHealth Parker
- Adventhealth Castle Rock
- Sky Ridge Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Associate of Arts
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| ANT.0000219 | CO | MD | Anesthesiologist Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| US Anesthesia Partners of Colorado Inc. | Anesthesiologist Assistant | Current | 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.
-
- Anesthesiology Physician
- Greenwood Village, CO
- NPI 1922365782
Anesthesiologist Assistant
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Lone Tree, CO
- NPI 1659325629
-
- General Acute Care Hospital
- Aurora, CO
- NPI 1083461438
-
- General Acute Care Hospital
- Aurora, CO
- NPI 1265072706
-
- General Acute Care Hospital
- Parker, CO
- NPI 1386651297
-
- General Acute Care Hospital
- Parker, CO
- NPI 1457148140
-
- General Acute Care Hospital
- Castle Rock, CO
- NPI 1912249590
-
- General Acute Care Hospital
- Aurora, CO
- NPI 1922648534
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.