THOMAS ELDON CALLAHAN D.O.
NPI 1528262136
Pediatrics in Dubuque, IA

Q: What is Thomas Callahan's NPI number?

The NPI number for Thomas Callahan is 1528262136. It was assigned to this individual provider in the NPPES registry on June 14, 2007.

Q: What is Thomas Callahan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Thomas Callahan was last updated on July 6, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since June 14, 2007PECOS Enrolled

1500 ASSOCIATES DR, DUBUQUE, IA 52002(563) 584-4440(563) 584-4427 Get Directions Write a Review

NPPES record last updated: July 6, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Thomas Eldon Callahan D.o. NPPES

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

THOMAS ELDON CALLAHAN D.O. (NPI 1528262136) is an individual pediatrics provider in Dubuque, Iowa, licensed in Iowa (4069) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1528262136

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameTHOMAS ELDON CALLAHANCredential: D.O.

Location Address1500 ASSOCIATES DRDubuque, IA 52002-2201

Mailing Address1500 Associates DrDubuque, IA 52002-2201 · (563) 584-4100 · Fax (563) 584-4110

Phone(563) 584-4440

Fax(563) 584-4427

Sole ProprietorYes

Enumeration DateJune 14, 2007

Last NPPES UpdateJuly 6, 2010

✔ NPI 1528262136 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in IA · 4069

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.

1500 ASSOCIATES DR, Dubuque, IA 52002

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Oscar Health, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thomas Eldon Callahan D.o. 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 Thomas Callahan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Medical Associates Clinic P C

Same address

Multi-Specialty

1500 ASSOCIATES DR
Dubuque, IA 52002

Reassigned Medicare billing, Iowa enrollment
272 clinicians in this Medicare group

NPI 1457300790 (563) 584-4100

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 52002 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

$81.84 typical visit price

range $52.96 – $161.40

Typical copayment $20.46 (range $13.24 – $40.35)

Most-billed visit code 99203

Established Patient

$94.05 typical visit price

range $16.91 – $131.98

Typical copayment $23.51 (range $4.22 – $32.99)

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.

JESSICA ANN LARSEN PA-C

Physician Assistant