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MARK NOWACZEWSKI
NPI 1417313115
Counselor - Addiction (Substance Use Disorder) in Vassar, MI

Active since January 11, 2016PECOS EnrolledAccepts Medicare Assignment
150 ENTERPRISE DR, VASSAR, MI 48768(989) 823-0183 Get Directions Write a Review

NPPES record last updated: January 11, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mark Nowaczewski NPPES

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

MARK NOWACZEWSKI (NPI 1417313115) is an individual addiction (substance use disorder) provider in Vassar, Michigan and active in the NPI registry since January 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1417313115
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMARK NOWACZEWSKI
Location Address150 ENTERPRISE DRVassar, MI 48768-9584
Mailing Address150 Enterprise DrVassar, MI 48768-9584 · (989) 823-0183
Phone(989) 823-0183
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateJanuary 11, 2016
✔ NPI 1417313115 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
150 ENTERPRISE DR, Vassar, MI 48768
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

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

Mark Nowaczewski 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 ID1759867104
PECOS Enrollment IDI20260115001746
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

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

Lakeside Professional Counseling, P.C.
57 mi
Mental Health
8072 21 MILE RD
Shelby Township, MI 48317
  • Reassigned Medicare billing, Michigan enrollment
  • Medicare enrollment name: Lakeside Professional Counseling PC
  • 15 clinicians in this Medicare group
NPI 1073084083 (586) 932-2700

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

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 RANAE BENKERT LMSW
Social Worker (Clinical)
150 ENTERPRISE DR
VASSAR, MI 48768
Tuscola County (989) 823-3040
MR. MICHAEL J. GILLESPIE M.ED, CAADC, LMSW
Social Worker (Clinical)
150 ENTERPRISE DR
VASSAR, MI 48768
Tuscola County (989) 823-3040
MR. CHRISTOPHER ROBERT CHARKOWSKE BA
Counselor (Addiction (Substance Use Disorder))
150 ENTERPRISE DR
VASSAR, MI 48768
Tuscola County (989) 823-3040
REBECCA MARLENE LUTZ CADC
Counselor (Addiction (Substance Use Disorder))
150 ENTERPRISE DR
VASSAR, MI 48768
Tuscola County (989) 823-3040
KENNETH W COOK B.S., CAC-1
Social Worker
150 ENTERPRISE DR
VASSAR, MI 48768
Tuscola County (989) 823-7640
MR. JAMES R FURBUSH M.A., LBSW
Social Worker
150 ENTERPRISE DR
VASSAR, MI 48768
Tuscola County (989) 823-3040
SARA RICHARDSON
Counselor (Addiction (Substance Use Disorder))
150 ENTERPRISE DR
VASSAR, MI 48768
Tuscola County (989) 823-7640
MR. ANDREAS J PARSLEY SR. BA
Counselor (Addiction (Substance Use Disorder))
150 ENTERPRISE DR
VASSAR, MI 48768
Tuscola County (989) 823-3040

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 Mark Nowaczewski's NPI number?

The NPI number for Mark Nowaczewski is 1417313115. It was assigned to this individual provider in the NPPES registry on January 11, 2016.

Where is Mark Nowaczewski located?

Mark Nowaczewski practices at 150 Enterprise Dr, Vassar, MI 48768. The listed phone number is (989) 823-0183.

What is Mark Nowaczewski's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Is Mark Nowaczewski enrolled in Medicare?

Yes. Mark Nowaczewski 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 Mark Nowaczewski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Nowaczewski reassigns Medicare benefits to Lakeside Professional Counseling, P.C. (Shelby Township, MI). 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 Mark Nowaczewski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Nowaczewski accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 3 other insurers list Mark Nowaczewski as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Nowaczewski was last updated on January 11, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.