Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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MS. Michelle R. Petrak, PHD, CCC-A

Individual provider Audiologist · NPI 1457485591

MS. Michelle R. Petrak, PHD, CCC-A is a Qualified Audiologist in Arlington Heights, Illinois. Qualified in 1994, 32 years ago. Practices with Northwest Speech and Hearing Center Ltd, an 8-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
32
Licensed in
IL
In the registry since
2007
Specialties on file
4
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
CCC-A — Certificate of Clinical Competence in Audiology
An audiologist certified by ASHA.

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Practice location Address checks out

880 W Central Rd Ste 4300
Arlington Heights, IL 60005-2381
Phone: (847) 392-2250
Fax: (847) 392-2204
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Audiologist (primary) Taxonomy 231H00000X · Licence 147-000787 (IL)
Assistive Technology Practitioner Audiologist Taxonomy 231HA2400X · Licence 147-000787 (IL)
Assistive Technology Supplier Audiologist Taxonomy 231HA2500X · Licence 147-000787 (IL)
Audiologist-Hearing Aid Fitter Taxonomy 237600000X · Licence 147-000787 (IL)

Record details

NPI number1457485591
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , CCC-A
Sole proprietorNo
NPI enumeratedMarch 14, 2007
Last updated in NPPESAugust 8, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyQUALIFIED AUDIOLOGIST
Medical schoolOTHER
Graduated 1994 (32 years in practice)
Group practice Northwest Speech And Hearing Center Ltd — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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