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LESTA DELL SEGER WHALEN MD
NPI 1619172145
Pediatrics - Pediatric Critical Care Medicine in Tucson, AZ

Active since June 15, 2007PECOS Enrolled
1501 N CAMPBELL AVE, TUCSON, AZ 85724(206) 910-9358 Get Directions Write a Review

NPPES record last updated: November 13, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Lesta Dell Seger Whalen Md NPPES

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

LESTA DELL SEGER WHALEN MD (NPI 1619172145) is an individual pediatric critical care medicine provider in Tucson, Arizona, licensed in Arizona (48007) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1619172145
Entity TypeIndividualFemale
Primary Taxonomy2080P0203X
Provider Legal NameLESTA DELL SEGER WHALENCredential: MD
Location Address1501 N CAMPBELL AVETucson, AZ 85724-0001
Mailing Address2701 E Elvira RdTucson, AZ 85756 · (520) 626-5485 · Fax (520) 626-6571
Phone(206) 910-9358
Sole ProprietorNo
Enumeration DateJune 15, 2007
Last NPPES UpdateNovember 13, 2013
✔ NPI 1619172145 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 · 48007
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 AVE, Tucson, AZ 85724
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Other Names 1

Former Name (1)Lesta Dell Seger

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Avera Health Plans, Wellmark Health Plan of Iowa, Inc., Wellmark of South Dakota, 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)

Lesta Dell Seger Whalen Md 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 Lesta Whalen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Avera Mckennan
977 mi
Rural Health
660 W 2ND ST
Winner, SD 57580
  • Reassigned Medicare billing, South Dakota enrollment
  • 1,277 clinicians in this Medicare group
NPI 1912959495 (605) 842-2443

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.

MR. DOUGLAS FRANK LARSON PH.D.
Perfusionist
1501 N CAMPBELL AVE, SUITE 4402 ARIZONA HEALTH SCIENCE CENTER
TUCSON, AZ 85724
Pima County (520) 626-6339
MARTIN DEMANT
Pediatrics
1501 N CAMPBELL AVE
TUCSON, AZ 85724
Pima County (520) 626-6507
STEPHANIE RUNKE MD
Obstetrics & Gynecology
1501 N CAMPBELL AVE
TUCSON, AZ 85724
Pima County (520) 694-2530
ASHLEY AZIZI ASSADI MD
Pediatrics
1501 N CAMPBELL AVE
TUCSON, AZ 85724
Pima County (520) 626-7944
STUART HAMEROFF MD
Anesthesiology
1501 N CAMPBELL AVE
TUCSON, AZ 85724
Pima County (520) 694-8888
JOHN GUISTO MD
Emergency Medicine
1501 N CAMPBELL AVE
TUCSON, AZ 85724
Pima County (520) 874-3500
BALDASSARRE STEA MD, PHD
Radiology (Radiation Oncology)
1501 N CAMPBELL AVE
TUCSON, AZ 85724
Pima County (520) 694-7236
NAOMI E RANCE MD, PHD
Pathology (Neuropathology)
1501 N CAMPBELL AVE
TUCSON, AZ 85724
Pima County (520) 874-7400

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 Lesta Whalen's NPI number?

The NPI number for Lesta Whalen is 1619172145. It was assigned to this individual provider in the NPPES registry on June 15, 2007. The provider is also known as Lesta Dell Seger.

Where is Lesta Whalen located?

Lesta Whalen practices at 1501 N Campbell Ave, Tucson, AZ 85724. The listed phone number is (206) 910-9358.

What is Lesta Whalen's specialty?

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

Is Lesta Whalen enrolled in Medicare?

Yes. Lesta Whalen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lesta Whalen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lesta Whalen reassigns Medicare benefits to Avera Mckennan (Winner, SD). 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 Lesta Whalen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lesta Whalen accept?

Health plans from Avera Health Plans, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Lesta Whalen 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 Lesta Whalen was last updated on November 13, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.