NPPES file of Aug 9, 2026

Mark Scott Christian, AU.D.

Audiologist · Deerfield, IL

Mark Scott Christian, AU.D. is an audiologist with a practice address in Deerfield, Illinois, and NPI 1710005699, issued on Mar 27, 2007. Check the license (Illinois 147-001042, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710005699
Name
Mark Scott Christian
Credential
AU.D.
Primary taxonomy
Audiologist 231H00000X
License number
147-001042 IL
Self-reported in NPPES; status is on the state search
Practice location
400 Lake Cook RD, Deerfield, IL 60015
Phone
(847) 940-9891
Enumerated
Mar 27, 2007
Record last updated
Apr 15, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(847) 964-9343
Medicare enrollment
Enrolled (PECOS I20151201000152); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest audiologist records → All 868 in Illinois → Look up another NPI →

Also registered at 400 Lake Cook RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Allison Ackerman, PH.D.Clinical Psychologist1235158858
  2. Marianne Baltowski, M.A.Assistive Technology Supplier Audiologist1679785760
  3. Robert GallianiDentist1558610410
  4. Sheri Gostomelsky, AU.D.Audiologist1447265855
  5. Faye Hoag, M.S.W.Clinical Social Worker1649593757
  6. Kimberly Kroll, PSYDClinical Psychologist1699927327

Verify Mark Scott Christian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 147-001042    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Audiology Associates OF Deerfield, PCDeerfield, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Scott Christian among 868 audiologist records in Illinois

Mark Scott Christian, AU.D. is one of 868 audiologist records with a practice address in Illinois. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 21% of them.

  • NPI issued2007 · 21% of these records are older, 64% newer
  • In a Medicare fileYes · 36% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2007 · median 2011 among the 346 with a school on file
  • Record last updated2014 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 231H00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6 audiologist records list a practice address in Deerfield

They are 6 of the 712 NPPES records with a practice address in Deerfield, and 868 audiologist records in Illinois.

All 868 in Illinois → Every provider in Deerfield → Audiologist nationwide →

The 8 audiologist records with the nearest ZIP codes

  1. Ann Clifton, AU.D., CCC-ADeerfield, IL 600151134268758
  2. Sheri Gostomelsky, AU.D.Deerfield, IL 600151447265855
  3. Cara Graham, AU.DDeerfield, IL 600151326027608
  4. Kathleen Liston, MA, CCC-ADeerfield, IL 600151942359153
  5. Wendy Yura, M.S.Deerfield, IL 600151184952376
  6. Mary Agulo, AU.D.Crystal Lake, IL 600141225581408
  7. Joseph Pinkl, AU.D.Crystal Lake, IL 600141952859860
  8. Linda Muscarello, AUDCrystal Lake, IL 600121841224722

Common questions

What is Mark Scott Christian, AU.D.'s NPI number?

Mark Scott Christian, AU.D.'s National Provider Identifier (NPI) is 1710005699, issued on Mar 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark Scott Christian, AU.D. located?

The NPPES record lists a practice address at 400 Lake Cook RD, Deerfield, IL, 60015. Phone: (847) 940-9891. Providers update this record themselves, so call before visiting.

How can I verify Mark Scott Christian, AU.D.'s license?

NPPES lists Illinois license number 147-001042, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.