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DR. DEANNA M HAHN D.O.
NPI 1629026398
Pediatrics in Bloomington, IL

Active since May 05, 2006PECOS Enrolled
306 ST. JOSEPH DR., BLOOMINGTON, IL 61701(309) 663-2354(309) 663-7645 Get Directions Write a Review

NPPES record last updated: September 21, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 21, 2022, Jul 6, 2022 (2 updates tracked since 2022).

About Dr. Deanna M Hahn D.o. NPPES

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

DR. DEANNA M HAHN D.O. (NPI 1629026398) is an individual pediatrics provider in Bloomington, Illinois, licensed in Illinois (036094964) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629026398
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. DEANNA M HAHNCredential: D.O.
Location Address306 ST. JOSEPH DR.Bloomington, IL 61701-3506
Mailing Address306 St. Joseph Dr.Bloomington, IL 61701-3506 · (309) 663-2354 · Fax (309) 663-7645
Phone(309) 663-2354
Fax(309) 663-7645
Sole ProprietorNo
Enumeration DateMay 5, 2006
Last NPPES UpdateSeptember 21, 20222 updates tracked since enumeration
NPPES CertifiedSeptember 21, 2022
✔ NPI 1629026398 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in IL · 036094964
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.
Also ListedSpecialistTaxonomy 174400000X · License 036094964 (IL)
306 ST. JOSEPH DR., Bloomington, IL 61701
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Other Names 1

Former Name (1)Deanna M Knoll D.o.

Other Identifiers 1

Medicaid036094964IL

Accepted Insurance

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

Dr. Deanna M Hahn 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 Reassignments

2

Medicare enrollment records show Deanna Hahn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Genesis Health System
111 mi
Anatomic Pathology & Clinical Pathology
1227 E RUSHOLME ST
Davenport, IA 52803
  • Reassigned Medicare billing, Illinois enrollment
  • 143 clinicians in this Medicare group
NPI 1295196798 (563) 355-9200
Mercy Specialty Clinic
114 mi
Family Medicine
2400 LILLIAN WAY
Clinton, IA 52732
  • Reassigned Medicare billing, Iowa enrollment
  • 183 clinicians in this Medicare group
NPI 1528622131 (563) 243-1200

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 61701 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
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
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.

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 Deanna Hahn's NPI number?

The NPI number for Deanna Hahn is 1629026398. It was assigned to this individual provider in the NPPES registry on May 5, 2006. The provider is also known as Deanna M Knoll D.O..

Where is Deanna Hahn located?

Deanna Hahn practices at 306 St. Joseph Dr., Bloomington, IL 61701. The listed phone number is (309) 663-2354.

What is Deanna Hahn's specialty?

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

Is Deanna Hahn enrolled in Medicare?

Yes. Deanna Hahn is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Deanna Hahn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Deanna Hahn reassigns Medicare benefits to 2 organizations: Genesis Health System (Davenport, IA) and Mercy Specialty Clinic (Clinton, IA). Each 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 Deanna Hahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Deanna Hahn accept?

Health plans from Wellmark Health Plan of Iowa, Inc. list Deanna Hahn 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 Deanna Hahn was last updated on September 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.