1. Home
  2. Directory
  3. Arizona
  4. Scottsdale
  5. Physician Assistant
  6. NPI Profile

MRS. CRISTINA CHALK RIZK PA-C
NPI 1457503740
Physician Assistant in Scottsdale, AZ

Active since October 17, 2008
8108 E GARY RD, SCOTTSDALE, AZ 85260(843) 338-6294 Get Directions Write a Review

NPPES record last updated: April 29, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 29, 2026, Mar 27, 2025, Jan 14, 2019 and 1 more (4 updates tracked since 2019).

About Mrs. Cristina Chalk Rizk Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. CRISTINA CHALK RIZK PA-C (NPI 1457503740) is an individual physician assistant in Scottsdale, Arizona, licensed in Arizona (8747) and active in the NPI registry since October 2008.

NPPES Registry Identity

NPI1457503740
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMRS. CRISTINA CHALK RIZKCredential: PA-C
Location Address8108 E GARY RDScottsdale, AZ 85260-6516
Mailing Address8108 E Gary RdScottsdale, AZ 85260-6516 · (843) 338-6294
Phone(843) 338-6294
Sole ProprietorNo
Enumeration DateOctober 17, 2008
Last NPPES UpdateApril 29, 20264 updates tracked since enumeration
NPPES CertifiedApril 29, 2026
✔ NPI 1457503740 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in AZ · 8747
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License 1347 (SC)
8108 E GARY RD, Scottsdale, AZ 85260
Open in Google Maps ↗

Other Names 1

Former Name (1)Cristina Miranda Chalk

Other Identifiers 1

Medicaid0736PASC

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cristina Rizk's NPI number?

The NPI number for Cristina Rizk is 1457503740. It was assigned to this individual provider in the NPPES registry on October 17, 2008. The provider is also known as Cristina Miranda Chalk.

Where is Cristina Rizk located?

Cristina Rizk practices at 8108 E Gary Rd, Scottsdale, AZ 85260. The listed phone number is (843) 338-6294.

What is Cristina Rizk's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for Cristina Rizk was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.