NPPES file of Aug 9, 2026

Mark Nowaczewski

Addiction (Substance Use Disorder) Counselor · Vassar, MI

Mark Nowaczewski is an addiction (substance use disorder) counselor with a practice address in Vassar, Michigan, and NPI 1417313115, issued on Jan 11, 2016. Check the license with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417313115
Name
Mark Nowaczewski
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
Practice location
150 Enterprise Dr, Vassar, MI 48768
Phone
(989) 823-0183
Enumerated
Jan 11, 2016
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 150 Enterprise Dr

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

  1. Keith Asbury, B.A., S.W.T.Social Worker1316122534
  2. Julianne Bailey, LPNLicensed Practical Nurse1619120367
  3. Helga Bakk, B.A, M.AAddiction (Substance Use Disorder) Counselor1417490111
  4. Nicole Benkert, LMSWClinical Social Worker1043782865
  5. Roy Brewer, BA, CAC-1Addiction (Substance Use Disorder) Counselor1316123938
  6. Michael Buck, MA, LMSW, CAC IIClinical Social Worker1972788198

Verify Mark Nowaczewski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan 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
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Bills Medicare through one group practice

  1. Lakeside Professional Counseling PCShelby Township, MI

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

10 addiction (substance use disorder) counselor records list a practice address in Vassar

They are 10 of the 55 NPPES records with a practice address in Vassar, and 2,317 addiction (substance use disorder) counselor records in Michigan.

Other addiction (substance use disorder) counselor records in Michigan

  1. Samantha AbdullaDetroit, MI1558808246
  2. Ricky AbregoRichmond, MI1972939726
  3. Danielle Acker, M.AKalamazoo, MI1558719914
  4. Jerry AckleyGrand Rapids, MI1821808361
  5. Nicholas AcostaTroy, MI1184542276
  6. Carleena AdamoAnn Arbor, MI1811698343
  7. Hillary AdamsDetroit, MI1720465800
  8. Jonathan Adams, MS, CADCMarquette, MI1336664192
  9. Telko Adams Cunningham, CAADCMuskegon, MI1518381979
  10. Crystal AddisonDetroit, MI1013584580

Common questions

What is Mark Nowaczewski's NPI number?

Mark Nowaczewski's National Provider Identifier (NPI) is 1417313115, issued on Jan 11, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Mark Nowaczewski located?

The NPPES record lists a practice address at 150 Enterprise Dr, Vassar, MI, 48768. Phone: (989) 823-0183. Providers update this record themselves, so call before visiting.

How can I verify Mark Nowaczewski's license?

Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

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 27, 2026.