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PAULA PRIETO TIZZARD M.D
NPI 1194259663
Pediatrics - Pediatric Gastroenterology in Phoenix, AZ

Active since April 12, 2017PECOS Enrolled
1919 E THOMAS RD, PHOENIX, AZ 85016(786) 296-3528 Get Directions Write a Review

NPPES record last updated: May 7, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 7, 2025, Jul 17, 2024, Apr 12, 2017 (3 updates tracked since 2017).

About Paula Prieto Tizzard M.d NPPES

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

PAULA PRIETO TIZZARD M.D (NPI 1194259663) is an individual pediatric gastroenterology provider in Phoenix, Arizona, licensed in Arizona (73423) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194259663
Entity TypeIndividualFemale
Primary Taxonomy2080P0206X
Provider Legal NamePAULA PRIETO TIZZARDCredential: M.D
Location Address1919 E THOMAS RDPhoenix, AZ 85016-7710
Mailing Address2108 E Thomas RdPhoenix, AZ 85016-7761 · (602) 933-1000
Phone(786) 296-3528
Sole ProprietorNo
Enumeration DateApril 12, 2017
Last NPPES UpdateMay 7, 20253 updates tracked since enumeration
NPPES CertifiedMay 7, 2025
✔ NPI 1194259663 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License✔ Licensed in AZ · 73423
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
1919 E THOMAS RD, Phoenix, AZ 85016
Open in Google Maps ↗

Other Names 1

Former Name (1)Paula Milena Prieto Jimenez

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Paula Prieto Tizzard M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Paula Tizzard reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Phoenix Children's Hospital
Same address
Pediatrics
1919 E THOMAS RD
Phoenix, AZ 85016
  • Reassigned Medicare billing, Arizona enrollment
  • 1,416 clinicians in this Medicare group
NPI 1922112044 (602) 933-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. TIMUR RAGHIB M.D.
Hospitalist
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-0777
MRS. MARIA T ESCOBAR CSP, RD
Dietitian, Registered
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (480) 440-2787
DR. AHMAR HUSAIN MD
Anesthesiology (Pediatric Anesthesiology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-4660
MRS. SOLEE R COWLEY LCSW
Social Worker (Clinical)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-0414
MR. SEAN PATRICK BRADY DO
Anesthesiology (Pediatric Anesthesiology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-4660
PRIYA PRASHER M.D.
Pediatrics
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-1900
DR. AMIT RAJARAM D.O.
Pediatrics
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-0198
LAURA GARDNER HAMANT
Pediatrics (Pediatric Gastroenterology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-1000

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 Paula Tizzard's NPI number?

The NPI number for Paula Tizzard is 1194259663. It was assigned to this individual provider in the NPPES registry on April 12, 2017. The provider is also known as Paula Milena Prieto Jimenez.

Where is Paula Tizzard located?

Paula Tizzard practices at 1919 E Thomas Rd, Phoenix, AZ 85016. The listed phone number is (786) 296-3528.

What is Paula Tizzard's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Paula Tizzard enrolled in Medicare?

Yes. Paula Tizzard is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Paula Tizzard's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Paula Tizzard reassigns Medicare benefits to Phoenix Children's Hospital (Phoenix, AZ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Paula Tizzard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Paula Tizzard was last updated on May 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.