Active NPI
Cristina Chalk Rizk, PA-C
- Physician Assistant
- Scottsdale, AZ
National Provider Identifier
1457503740
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 8747
- Practice address
- 8108 E Gary Rd
Scottsdale, AZ 85260-6516 - Phone
- (843) 338-6294
- NPI assigned
- Oct 17, 2008
- Last updated
- Apr 29, 2026
- 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 |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 8747 | AZ | Primary |
| Medical Physician Assistant | 363AM0700X | 1347 | SC |
Addresses
Primary practice location
8108 E Gary Rd
Scottsdale, AZ 85260-6516
Mailing address
8108 E Gary Rd
Scottsdale, AZ 85260-6516
Phone (843) 338-6294
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0736PA | Medicaid | SC |
Other names 1
- Cristina Miranda Chalk
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)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 8747 | AZ | MD | Pharmacist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Beaufort Family Care LLC | Past | Accepting new patients | |
| Heritage Medical Partners | Past | Accepting new patients |
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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Family Medicine Physician
- Beaufort, SC
- NPI 1154333607
-
- Internal Medicine Physician
- Hilton Head, SC
- NPI 1962596726
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1224201600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777420800000",
"number": "1457503740",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "8108 E GARY RD",
"city": "SCOTTSDALE",
"state": "AZ",
"postal_code": "852606516",
"telephone_number": "843-338-6294"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8108 E GARY RD",
"city": "SCOTTSDALE",
"state": "AZ",
"postal_code": "852606516",
"telephone_number": "843-338-6294"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RIZK",
"first_name": "CRISTINA",
"middle_name": "CHALK",
"name_prefix": "Mrs.",
"credential": "PA-C",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2008-10-17",
"last_updated": "2026-04-29",
"certification_date": "2026-04-29",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "AZ",
"license": "8747",
"primary": true
},
{
"code": "363AM0700X",
"taxonomy_group": "",
"desc": "Physician Assistant, Medical",
"state": "SC",
"license": "1347",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0736PA",
"state": "SC"
}
],
"endpoints": [],
"other_names": [
{
"first_name": "CRISTINA",
"last_name": "CHALK",
"middle_name": "MIRANDA",
"code": "1",
"type": "Former Name"
}
]
}Other providers in Scottsdale, 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.