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MARK A. STEWART
NPI 1902324379
Counselor - Addiction (Substance Use Disorder) in Dayton, OH

Active since September 06, 2017PECOS Enrolled
6929 NORTH MAIN STREET, DAYTON, OH 45415(937) 259-8805 Get Directions Write a Review

NPPES record last updated: September 6, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mark A. Stewart NPPES

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

MARK A. STEWART (NPI 1902324379) is an individual addiction (substance use disorder) provider in Dayton, Ohio and active in the NPI registry since September 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1902324379
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMARK A. STEWART
Location Address6929 NORTH MAIN STREETDayton, OH 45415-4541
Mailing Address6929 North Main StreetDayton, OH 45415 · (937) 299-1299
Phone(937) 259-8805
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateSeptember 6, 2017
✔ NPI 1902324379 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
6929 NORTH MAIN STREET, Dayton, OH 45415
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include MedMutual, Molina Healthcare, Oscar Health Insurance 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 (PECOS)

Mark A. Stewart is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4183192214
PECOS Enrollment IDI20260507001244
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 Stewart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Fresh Start Behavioral Health Inc
Same address
Mental Health (Including Community Mental Health Center)
6929 N MAIN ST
Dayton, OH 45415
  • Reassigned Medicare billing, Ohio enrollment
  • 10 clinicians in this Medicare group
NPI 1093350951 (614) 364-0429

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

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 Stewart's NPI number?

The NPI number for Mark Stewart is 1902324379. It was assigned to this individual provider in the NPPES registry on September 6, 2017.

Where is Mark Stewart located?

Mark Stewart practices at 6929 North Main Street, Dayton, OH 45415. The listed phone number is (937) 259-8805.

What is Mark Stewart's specialty?

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

Is Mark Stewart enrolled in Medicare?

Yes. Mark Stewart is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Stewart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Stewart reassigns Medicare benefits to Fresh Start Behavioral Health Inc (Dayton, OH). 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 Stewart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Stewart accept?

Health plans from MedMutual, Molina Healthcare, Oscar Health Insurance and Oscar Insurance Corporation of Ohio list Mark Stewart 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 Stewart was last updated on September 6, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.