Mark A. Stewart
Addiction (Substance Use Disorder) Counselor · Dayton, OH
Mark A. Stewart is an addiction (substance use disorder) counselor with a practice address in Dayton, Ohio, and NPI 1902324379, issued on Sep 6, 2017. Check the license with the Ohio board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark A. Stewart
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- Practice location
- 6929 North Main Street, Dayton, OH 45415
- Phone
- (937) 259-8805
- Enumerated
- Sep 6, 2017
- Record last updated
- Sep 6, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20260507001244); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest addiction (substance use disorder) counselor records → All 11,255 in Ohio → Look up another NPI →
Verify Mark A. Stewart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark A. Stewart among 11,255 addiction (substance use disorder) counselor records in Ohio
Mark A. Stewart is one of 11,255 addiction (substance use disorder) counselor records with a practice address in Ohio. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2017, is newer than 10% of them.
- NPI issued2017 · 10% of these records are older, 80% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileYes · under 1% of these records are
- Graduated2017 · median 2017 among the 111 with a school on file
- Record last updated2017 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
815 addiction (substance use disorder) counselor records list a practice address in Dayton
They are 815 of the 12,431 NPPES records with a practice address in Dayton, and 11,255 addiction (substance use disorder) counselor records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 11,255 in Ohio → Every provider in Dayton → Addiction (Substance Use Disorder) Counselor nationwide →
The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes
- Anthony Brown, BS, LCDCIIIDayton, OH 454151790201325
- Jacalyn Donegan-Lawson, BA, CDCADayton, OH 454151891284220
- Jessica FinneyDayton, OH 454151831500396
- Susan Flagg-Stewart, MS,CDCA,QMHS,CMSDayton, OH 454151134686819
- Conrad GoodeDayton, OH 454151497243976
- Antonia JonesDayton, OH 454151265913891
- Anthony LawsonDayton, OH 454151710472097
- Imani LevelDayton, OH 454151528530862
Common questions
What is Mark A. Stewart's NPI number?
Mark A. Stewart's National Provider Identifier (NPI) is 1902324379, issued on Sep 6, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Stewart located?
The NPPES record lists a practice address at 6929 North Main Street, Dayton, OH, 45415. Phone: (937) 259-8805. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Stewart's license?
Search the Ohio 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.
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.