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TWIN PEDIATRICS, P.C.
NPI 1568675908
Pediatrics in Phoenix, AZ

Active since May 08, 2007CLIA 03D1005492 · Waiver
20040 N 19TH AVE STE C, PHOENIX, AZ 85027(623) 869-8948(623) 434-4169 Get Directions Write a Review

NPPES record last updated: April 21, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 21, 2026, Aug 22, 2020 (2 updates tracked since 2020).

About Twin Pediatrics, P.c. NPPES

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

TWIN PEDIATRICS, P.C. (NPI 1568675908) is a healthcare organization registered as a pediatrics in Phoenix, Arizona and active in the NPI registry since May 2007. The organization holds a CLIA Waiver certificate valid through October 22, 2026 and lists Kelly Jo Cieszinski, Owner/president, as its authorized official.

NPPES Registry Identity

NPI1568675908
Entity TypeOrganization
Primary Taxonomy208000000X
Legal Business NameTWIN PEDIATRICS, P.C.
Location Address20040 N 19TH AVE STE CPhoenix, AZ 85027-4256
Mailing Address20040 N 19th Ave Ste CPhoenix, AZ 85027-4256 · (602) 869-8948 · Fax (623) 434-4169
Phone(623) 869-8948
Fax(623) 434-4169
Organization SubpartNo
Authorized OfficialKelly Jo CieszinskiOwner/president · (602) 330-6528
Enumeration DateMay 8, 2007
Last NPPES UpdateApril 21, 20262 updates tracked since enumeration
NPPES CertifiedApril 21, 2026
✔ NPI 1568675908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in AZ · 21732
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
20040 N 19TH AVE STE C, Phoenix, AZ 85027
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health.Insurance ›

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 03D1005492

Twin Pediatrics PC · Phoenix, AZ
Active · expires Oct 22, 2026
CLIA Number03D1005492
Laboratory TypePhysician Office
Certificate Effective DateOctober 23, 2024
Certificate Expiration DateOctober 22, 2026
Laboratory DirectorLouis Trunzo
Laboratory Phone(623) 869-8948
Laboratory LocationTwin Pediatrics PC20040 N 19th Ave Ste C, Phoenix, AZ 85027
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

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

DR. NANCY L GREER MD
Pediatrics
20040 N 19TH AVE STE C
PHOENIX, AZ 85027
Maricopa County (623) 869-8948

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 Twin Pediatrics, P.C.'s NPI number?

The NPI number for Twin Pediatrics, P.C. is 1568675908. It was assigned to this organization in the NPPES registry on May 8, 2007.

Where is Twin Pediatrics, P.C. located?

Twin Pediatrics, P.C. is located at 20040 N 19th Ave Ste C, Phoenix, AZ 85027. The listed phone number is (623) 869-8948.

What is Twin Pediatrics, P.C.'s specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Does Twin Pediatrics, P.C. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 03D1005492) is associated with this NPI, valid through October 22, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Twin Pediatrics, P.C. accept?

Health plans from Ambetter from Arizona Complete Health list Twin Pediatrics, P.C. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Twin Pediatrics, P.C. was last updated on April 21, 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.