Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mark L Billy, DDS

Individual provider Oral & Maxillofacial Surgery (D.M.D.) · NPI 1538143508

Dr. Mark L Billy, DDS is a Maxillofacial Surgery in Youngstown, Ohio. Graduated from Ohio State University College of Dentistry in 1986, 40 years ago. Practices with Mill Creek Oral and Maxillofacial Surgery Associates Inc, a 3-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
40
Trained at
Ohio State University College of Dentistry
Licensed in
OH
In the registry since
2005
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Practice location Address checks out

1001 Covington St
Youngstown, OH 44510-1617
Phone: (330) 480-3195
Fax: (330) 480-1366
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5437 Mahoning Ave, Austintown, OH 44515-2437 — (330) 792-2501

Specialties & licences

Oral & Maxillofacial Surgery (D.M.D.) (primary) Taxonomy 204E00000X · Licence 18346 (OH)

Record details

NPI number1538143508
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedDecember 2, 2005
Last updated in NPPESApril 26, 2022
Certification dateApril 26, 2022
Mailing address5437 Mahoning Ave, Suite 12, Austintown, OH 44515-2437

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMAXILLOFACIAL SURGERY
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF DENTISTRY
Graduated 1986 (40 years in practice)
Group practice Mill Creek Oral And Maxillofacial Surgery Associates Inc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount