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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DANICA M S BILLINGSLY AU.D.
NPI 1437168150
Audiologist in Dekalb, IL

Active since August 05, 2006Accepts Medicare Assignment
3100 SYCAMORE RD, DEKALB, IL 60115(815) 753-1481(815) 753-1664 Get Directions Write a Review

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

About Dr. Danica M S Billingsly Au.d. NPPES

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

DR. DANICA M S BILLINGSLY AU.D. (NPI 1437168150) is an individual audiologist in Dekalb, Illinois, licensed in Illinois (147.001225) and active in the NPI registry since August 2006. She is a graduate of Other (2006).

NPPES Registry Identity

NPI1437168150
Entity TypeIndividualFemale
Primary Taxonomy231H00000X
Provider Legal NameDR. DANICA M S BILLINGSLYCredential: AU.D.
Location Address3100 SYCAMORE RDDekalb, IL 60115-9621
Mailing Address3100 Sycamore RdDekalb, IL 60115-9621 · (815) 753-1481 · Fax (815) 753-1664
Phone(815) 753-1481
Fax(815) 753-1664
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateAugust 5, 2006
Last NPPES UpdateSeptember 29, 2026
✔ NPI 1437168150 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers
Taxonomy Code231H00000X
Licenses✔ Licensed in IL · 147.001225✔ Licensed in WI · 420-156
Definition
(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.
3100 SYCAMORE RD, Dekalb, IL 60115
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Other Names 1

Former Name (1)Danica Marie Siefken

Other Identifiers 1

Medicaid41145800WI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Danica M S Billingsly Au.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3375525389
PECOS Enrollment IDI20090414000740

Medicare Billing Reassignment

Medicare enrollment records show Danica Billingsly reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northern Illinois University
Same address
Audiologist
3100 SYCAMORE RD, NIU SPEECH LANGUAGE HEARING CLINIC
Dekalb, IL 60115
  • Reassigned Medicare billing, Illinois enrollment
  • 20 clinicians in this Medicare group
NPI 1407916836 (815) 753-1481

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Comprehensive hearing and speech recognition test 92557
A comprehensive hearing and speech recognition test assesses your ability to hear and understand spoken words. It includes hearing tests to check for issues with sound perception and speech tests to evaluate your word recognition. It's a crucial step in identifying any hearing or speech problems.
37 services37 patients
Test to assess middle ear function 92567
A test to assess middle ear function, also known as an impedance audiometry, helps evaluate how well your middle ear works. It measures the movement of your eardrum in response to changes in air pressure. This can help identify issues like fluid build-up, ear infections, or eardrum perforations.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60115 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
$54.80 typical visit price
range $54.80 – $168.44
Typical copayment $13.70 (range $13.70 – $42.11)
Most-billed visit code 99202
Established Patient
$68.64 typical visit price
range $17.16 – $136.56
Typical copayment $17.16 (range $4.29 – $34.14)
Most-billed visit code 99213
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.

NICOLE BRITTANY CHAPMAN FNP-C
Nurse Practitioner (Family)
3100 SYCAMORE RD
DEKALB, IL 60115
Dekalb County (815) 753-6554
MARIA MILDRED CASTILLO PT
Physical Therapist
3100 SYCAMORE RD
DEKALB, IL 60115
Dekalb County (815) 752-2675
CHRISTINA ZEISS DPT
Physical Therapist
3100 SYCAMORE RD
DEKALB, IL 60115
Dekalb County (815) 753-1812
NORTHERN ILLINOIS UNIVERSITY
Clinic/Center (Physical Therapy)
3100 SYCAMORE RD
DEKALB, IL 60115
Dekalb County (815) 752-2675
JUDITH LUTZ
Speech-Language Pathologist
3100 SYCAMORE RD
DEKALB, IL 60115
Dekalb County (815) 753-1481
MRS. JENNIFER MARIE JUNCK CPNP
Nurse Practitioner (Pediatrics)
3100 SYCAMORE RD, SUITE 1024
DEKALB, IL 60115
Dekalb County (815) 752-3253
IN-SOP KIM
Speech-Language Pathologist
3100 SYCAMORE RD
DEKALB, IL 60115
Dekalb County (815) 753-1481
NORTHERN ILLINOIS UNIVERSITY
Audiologist
3100 SYCAMORE RD, NIU SPEECH LANGUAGE HEARING CLINIC
DEKALB, IL 60115
Dekalb County (815) 753-1481

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 Danica Billingsly's NPI number?

The NPI number for Danica Billingsly is 1437168150. It was assigned to this individual provider in the NPPES registry on August 5, 2006. The provider is also known as Danica Marie Siefken.

Where is Danica Billingsly located?

Danica Billingsly practices at 3100 Sycamore Rd, Dekalb, IL 60115. The listed phone number is (815) 753-1481.

What is Danica Billingsly's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Is Danica Billingsly enrolled in Medicare?

Yes. Danica Billingsly is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Danica Billingsly's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Danica Billingsly reassigns Medicare benefits to Northern Illinois University (Dekalb, IL). 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 Danica Billingsly's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Danica Billingsly was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.