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Edit this profileMark L. Billy, DDS practices maxillofacial surgery in Youngstown, OH. Mark is a 1986 graduate of Ohio State University College of Dentistry. Mark is also listed as specializing in oral & maxillofacial surgery. According to Medicare claims data, the services billed most often include new patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more. The provider's National Provider Identifier (NPI) is 1538143508.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1001 COVINGTON ST
Youngstown, OH 44510
5437 Mahoning Ave Suite 12
Austintown, OH 44515
22 services · 22 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
22 | As often as other peers in Maxillofacial Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Billy is a maxillofacial surgeon in Youngstown, OH. That is the designation recorded for this NPI in the federal registry, where it is listed as “Maxillofacial Surgery”.
NPI registry
Dr. Billy is listed at 1001 Covington St, Youngstown, OH 44510. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (330) 480-3195. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Billy's National Provider Identifier is 1538143508. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Billy attended Ohio State University College of Dentistry, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
Dr. Billy has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Billy the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Billy. If this is you, claiming it is free.
Guide.md
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