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MR. ANDREAS A THEODOROU M.D.
NPI 1649343500
Pediatrics - Pediatric Critical Care Medicine in Tucson, AZ

Active since November 16, 2006PECOS Enrolled
1501 N CAMPBELL AVENUE, TUCSON, AZ 85724(520) 626-5485(520) 626-6571 Get Directions Write a Review

NPPES record last updated: May 29, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mr. Andreas A Theodorou M.d. NPPES

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

MR. ANDREAS A THEODOROU M.D. (NPI 1649343500) is an individual pediatric critical care medicine provider in Tucson, Arizona, licensed in Arizona (20857) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649343500
Entity TypeIndividualMale
Primary Taxonomy2080P0203X
Provider Legal NameMR. ANDREAS A THEODOROUCredential: M.D.
Location Address1501 N CAMPBELL AVENUETucson, AZ 85724
Mailing Address2701 E Elvira RdTucson, AZ 85756-7124 · (520) 626-5485 · Fax (520) 626-6571
Phone(520) 626-5485
Fax(520) 626-6571
Sole ProprietorNo
Enumeration DateNovember 16, 2006
Last NPPES UpdateMay 29, 2013
✔ NPI 1649343500 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in AZ · 20857
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
1501 N CAMPBELL AVENUE, Tucson, AZ 85724
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Other Identifiers 3

Medicare ID-Type Unspecified37WCGCR45
Medicaid112524AZ
Medicare UPINA78099

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Andreas A Theodorou 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 Andreas Theodorou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Banner-University Medical Group
5.2 mi
Nutrition, Education
535 N WILMOT RD STE 101
Tucson, AZ 85711
  • Reassigned Medicare billing, Arizona enrollment
  • 1,514 clinicians in this Medicare group
NPI 1932708328 (520) 694-5437

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

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.

MS. ANGELINA M PRICE RN, MSN, NNP
Nurse Practitioner (Neonatal)
1501 N CAMPBELL AVENUE
TUCSON, AZ 85724
Pima County (520) 626-6627
MS. CLAIRE R WELLS PNP
Nurse Practitioner (Pediatrics, Critical Care)
1501 N CAMPBELL AVENUE
TUCSON, AZ 85724
Pima County (520) 626-5485
MS. LISA M GRISHAM NNP
Nurse Practitioner (Neonatal)
1501 N CAMPBELL AVENUE
TUCSON, AZ 85724
Pima County (520) 626-6627
MR. MERLIN CHANNING LOWE JR. M.D.
Hospitalist
1501 N CAMPBELL AVENUE
TUCSON, AZ 85724
Pima County (520) 626-6614
MS. CYNTHIA M GARCIA PNP, CNNP
Registered Nurse (Neonatal, Low-Risk)
1501 N CAMPBELL AVENUE
TUCSON, AZ 85724
Pima County (520) 626-6627
MR. DAVID S NATHALANG D.O.
Pediatrics (Pediatric Critical Care Medicine)
1501 N CAMPBELL AVENUE
TUCSON, AZ 85724
Pima County (520) 626-5485
MS. HILLARY ANN FRANKE M.D.
Pediatrics (Pediatric Critical Care Medicine)
1501 N CAMPBELL AVENUE, BOX 245073
TUCSON, AZ 85724
Pima County (520) 626-5485
MR. MOHAMMAD Y BADER M.D.
Pediatrics (Neonatal-Perinatal Medicine)
1501 N CAMPBELL AVENUE
TUCSON, AZ 85724
Pima County (520) 626-6627

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 Andreas Theodorou's NPI number?

The NPI number for Andreas Theodorou is 1649343500. It was assigned to this individual provider in the NPPES registry on November 16, 2006.

Where is Andreas Theodorou located?

Andreas Theodorou practices at 1501 N Campbell Avenue, Tucson, AZ 85724. The listed phone number is (520) 626-5485.

What is Andreas Theodorou's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Andreas Theodorou enrolled in Medicare?

Yes. Andreas Theodorou is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Andreas Theodorou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andreas Theodorou reassigns Medicare benefits to Banner-University Medical Group (Tucson, 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 Andreas Theodorou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Andreas Theodorou accept?

Health plans from Blue Cross Blue Shield of Arizona and Oscar Health Plan, Inc. list Andreas Theodorou 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 Andreas Theodorou was last updated on May 29, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.