Active NPI
Karen Louise Herbst, PH.D., M.D.
- Endocrinology, Diabetes & Metabolism Physician
- Tucson, AZ
National Provider Identifier
1114977840
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Endocrinology, Diabetes & Metabolism Physician
- License
- A80165
- Practice address
- 6365 E Tanque Verde Rd Ste 200
Tucson, AZ 85715-3830 - Phone
- (520) 719-1610
- Fax
- (520) 720-3904
- NPI assigned
- May 11, 2006
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Endocrinology, Diabetes & Metabolism Physician | 207RE0101X | 47835 | AZ | |
| Endocrinology, Diabetes & Metabolism Physician | 207RE0101X | A80165 | CA | Primary |
Addresses
Primary practice location
6365 E Tanque Verde Rd Ste 200
Tucson, AZ 85715-3830
Mailing address
6365 E Tanque Verde Rd Ste 200
Tucson, AZ 85715-3830
Phone (520) 719-1610
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1114977840 | Other | AZ | NPI |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective Mar 21, 2022 through Mar 21, 2028
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine, Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A80165 | CA | MD | Endocrinology, Diabetes & Metabolism Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Jules Place, LLC | Endocrinology, Diabetes & Metabolism | Current | Accepting new patients |
| Frances Mahon Deaconess Hospital | Past | Accepting new patients |
Locations
630 S Craycroft Rd
Tucson, AZ 85711
Phone (520) 312-9604
6365 E Tanque Verde Rd
Ste 200
Tucson, AZ 85715
Phone (520) 886-5534
Organizations & group practices 2
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.
-
- Endocrinology, Diabetes & Metabolism Physician
- Tucson, AZ
- NPI 1760001275
-
- Critical Access Hospital
- Glasgow, MT
- NPI 1689685323
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147305600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1756080000000",
"number": "1114977840",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6365 E TANQUE VERDE RD STE 200",
"city": "TUCSON",
"state": "AZ",
"postal_code": "857153830",
"telephone_number": "520-719-1610",
"fax_number": "520-720-3904"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6365 E TANQUE VERDE RD STE 200",
"city": "TUCSON",
"state": "AZ",
"postal_code": "857153830",
"telephone_number": "520-719-1610",
"fax_number": "520-720-3904"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HERBST",
"first_name": "KAREN",
"middle_name": "LOUISE",
"name_prefix": "Dr.",
"credential": "PH.D., M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-05-11",
"last_updated": "2025-08-25",
"certification_date": "2025-08-25",
"status": "A"
},
"taxonomies": [
{
"code": "207RE0101X",
"taxonomy_group": "",
"desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
"state": "AZ",
"license": "47835",
"primary": false
},
{
"code": "207RE0101X",
"taxonomy_group": "",
"desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
"state": "CA",
"license": "A80165",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "NPI",
"identifier": "1114977840",
"state": "AZ"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Tucson, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.