NPPES file of Aug 9, 2026

Matthew David Leifker, MS, CADC

Addiction (Substance Use Disorder) Counselor · Dubuque, IA

Matthew David Leifker, MS, CADC is an addiction (substance use disorder) counselor with a practice address in Dubuque, Iowa, and NPI 1023430394, issued on Jan 6, 2014. Check the license with the Iowa board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1023430394
Name
Matthew David Leifker
Credential
MS, CADC
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
Practice location
799 Main St Ste 110, Dubuque, IA 52001
Phone
(563) 582-3784
Enumerated
Jan 6, 2014
Record last updated
Jan 6, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(563) 582-4006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 799 Main St Ste 110

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

  1. Erik AndersonAddiction (Substance Use Disorder) Counselor1316369671
  2. Genevieve Balajadia, MA, T-CADCAddiction (Substance Use Disorder) Counselor1073079679
  3. Brenna Burgart, CADCAddiction (Substance Use Disorder) Counselor1801468178
  4. Bobby CrattonPeer Specialist1851010540
  5. Nathaniel HargroveAddiction (Substance Use Disorder) Counselor1417475674
  6. Nicole HoerschelmanAddiction (Substance Use Disorder) Counselor1992282644

Verify Matthew David Leifker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this professionCheck 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 Iowa license search

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22 addiction (substance use disorder) counselor records list a practice address in Dubuque

They are 22 of the 1,468 NPPES records with a practice address in Dubuque, and 971 addiction (substance use disorder) counselor records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 22 in Dubuque → All 971 in Iowa → Every provider in Dubuque →

Other addiction (substance use disorder) counselor records in Iowa

  1. Delaney Abarr, BANewton, IA1710379391
  2. Mindy Abbott-Stratton, LISW IADC,Clinton, IA1821575234
  3. Jayde Achenbach, CADCWest Des Moines, IA1346972874
  4. Robert Ackerman, BSW, TCADCWaterloo, IA1043014194
  5. Sevlija Ademovic, MSWWest Des Moines, IA1861103418
  6. Savannah Adkins, CADCFort Dodge, IA1912617069
  7. Kara Ager, BS, CADCDes Moines, IA1881109502
  8. Agapito Aguilar, CADCDes Moines, IA1639491533
  9. Adelynn AhartzDes Moines, IA1588502124
  10. Madison Alachniewicz, CADCFort Dodge, IA1104675545

Common questions

What is Matthew David Leifker, MS, CADC's NPI number?

Matthew David Leifker, MS, CADC's National Provider Identifier (NPI) is 1023430394, issued on Jan 6, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Matthew David Leifker, MS, CADC located?

The NPPES record lists a practice address at 799 Main St Ste 110, Dubuque, IA, 52001. Phone: (563) 582-3784. Providers update this record themselves, so call before visiting.

How can I verify Matthew David Leifker, MS, CADC's license?

Search the Iowa 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. 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.