Active NPI
Callahan Clinic, PC
- General Practice Physician
- St George, UT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- General Practice Physician
- License
- 1594201205
- Legal business name
- CALLAHAN CLINIC, PC
- Practice address
- 1240 E 100 S
Suite 15-a
St George, UT 84790-3001 - Phone
- (435) 656-5323
- Fax
- (435) 656-5127
- NPI assigned
- Mar 4, 2008
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Dr. Thomas Dee Callahan, M.D.
- Title
- President
- Phone
- (435) 656-5323
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| General Practice Physician | 208D00000X | 1594201205 | UT | Primary |
Addresses
Primary practice location
1240 E 100 S
Suite 15-a
St George, UT 84790-3001
Mailing address
1240 E 100 S
Suite 15-a
St George, UT 84790-3001
Phone (435) 656-5323
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in UT
Enrollment records 1
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 46D0980189 | Callahan Clinic PC | Provider-performed microscopy | Nov 13, 2026 |
National Provider Directory
National Provider DirectoryLocations
1240 E 100 S
Ste 15A
St George, UT 84790
Phone (435) 656-2459
Practitioners & affiliated clinicians
Practitioners 5
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
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- NPI 1265540355
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- St George, UT
- NPI 1720216021
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- NPI 1619932175
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1204588800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1392681600000",
"number": "1609046853",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1240 E 100 S",
"address_2": "SUITE 15-A",
"city": "ST GEORGE",
"state": "UT",
"postal_code": "847903001",
"telephone_number": "435-656-5323",
"fax_number": "435-656-5127"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1240 E 100 S",
"address_2": "SUITE 15-A",
"city": "ST GEORGE",
"state": "UT",
"postal_code": "847903001",
"telephone_number": "435-656-5323",
"fax_number": "435-656-5127"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "CALLAHAN CLINIC, PC",
"organizational_subpart": "NO",
"enumeration_date": "2008-03-04",
"last_updated": "2014-02-18",
"status": "A",
"authorized_official_last_name": "CALLAHAN",
"authorized_official_first_name": "THOMAS",
"authorized_official_middle_name": "DEE",
"authorized_official_title_or_position": "PRESIDENT",
"authorized_official_telephone_number": "435-656-5323",
"authorized_official_name_prefix": "Dr.",
"authorized_official_credential": "M.D."
},
"taxonomies": [
{
"code": "208D00000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "General Practice",
"state": "UT",
"license": "1594201205",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in St George, UT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 18, 2014; 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.