Active NPI
Kristi Hamblin Phelps, RDH
- Dental Hygienist
- Tucson, AZ
National Provider Identifier
1508704743
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Dental Hygienist
- License
- H04151
- Practice address
- PO Box 1231
Tucson, AZ 85702-1231 - Phone
- (928) 333-0127
- Fax
- (928) 333-4799
- NPI assigned
- Mar 21, 2026
- Last updated
- Apr 29, 2026
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Dental Hygienist | 124Q00000X | H04151 | AZ | Primary |
Addresses
Primary practice location
PO Box 1231
Tucson, AZ 85702-1231
Mailing address
PO Box 1231
Tucson, AZ 85702-1231
Phone (520) 670-3909
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| H04151 | AZ | MD | Dental Hygienist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1774051200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777420800000",
"number": "1508704743",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 1231",
"city": "TUCSON",
"state": "AZ",
"postal_code": "857021231",
"telephone_number": "520-670-3909",
"fax_number": "520-309-2560"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "PO BOX 1231",
"city": "TUCSON",
"state": "AZ",
"postal_code": "857021231",
"telephone_number": "928-333-0127",
"fax_number": "928-333-4799"
}
],
"practiceLocations": [],
"basic": {
"last_name": "PHELPS",
"first_name": "KRISTI",
"middle_name": "HAMBLIN",
"credential": "RDH",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2026-03-21",
"last_updated": "2026-04-29",
"certification_date": "2026-04-29",
"status": "A"
},
"taxonomies": [
{
"code": "124Q00000X",
"taxonomy_group": "",
"desc": "Dental Hygienist",
"state": "AZ",
"license": "H04151",
"primary": true
}
],
"identifiers": [],
"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 Apr 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.