Stephen M. Lyon, D.O.
Emergency Medicine Physician · Portsmouth, OH
Stephen M. Lyon, D.O. is an emergency medicine physician with a practice address in Portsmouth, Ohio, and NPI 1205180387, issued on Oct 29, 2012. Check the license (Ohio 58004665, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Stephen M. Lyon
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 58004665 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1805 27TH St, Portsmouth, OH 45662
- Phone
- (740) 356-5000
- Enumerated
- Oct 29, 2012
- Record last updated
- Oct 29, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160531000074); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,002 in Ohio → Look up another NPI →
Also registered at 1805 27TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas AdamsMedical-Surgical Registered Nurse1174248124
- William Angelos, MDEmergency Medical Services (Emergency Medicine) Physician1952343071
- Beau BarleyStudent in an Organized Health Care Education/Training Program1679240196
- Andrew Barlow, D.O.Emergency Medicine Physician1902214489
- Luis Benitez Lopez, MDAnesthesiology Physician1154368892
- Nathan Bennington, D.O.Diagnostic Radiology Physician1972777589
Verify Stephen M. Lyon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 58004665Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average emergency medicine physician in 2024
469 Medicare Part D claims for 341 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 35 claims were for opioids.
Most prescribed
- Cephalexin85 claims
- Doxycycline Hyclate42 claims
- Prednisone37 claims
- Ondansetron Hcl33 claims
- Hydrocodone-Acetaminophen31 claims
- Cyclobenzaprine Hcl25 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Acs Primary Care Physicians Southwest PAAbilene, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen M. Lyon among 3,002 emergency medicine physician records in Ohio
Stephen M. Lyon, D.O. is one of 3,002 emergency medicine physician records with a practice address in Ohio. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 56% of them.
- NPI issued2012 · 56% of these records are older, 41% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2012 · median 2013 among the 1,720 with a school on file
- Record last updated2012 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 emergency medicine physician records list a practice address in Portsmouth
They are 23 of the 1,937 NPPES records with a practice address in Portsmouth, and 3,002 emergency medicine physician records in Ohio.
All 3,002 in Ohio → Every provider in Portsmouth → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ronelle Betts, M.D.Portsmouth, OH 456621790852317
- Brandon Bomsta, DOPortsmouth, OH 456621538495106
- Joseph Bushek, DOPortsmouth, OH 456621952559486
- Bryan Carney, D.O.Portsmouth, OH 456621285987248
- Thomas Carter, DO FACEPPortsmouth, OH 456621679684039
- Randy Ekins, D.O.Portsmouth, OH 456621750635835
- Gordon Givan, MDPortsmouth, OH 456621861654766
- Derek Harmon, D.O.Portsmouth, OH 456621265768873
Common questions
What is Stephen M. Lyon, D.O.'s NPI number?
Stephen M. Lyon, D.O.'s National Provider Identifier (NPI) is 1205180387, issued on Oct 29, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Stephen M. Lyon, D.O. located?
The NPPES record lists a practice address at 1805 27TH St, Portsmouth, OH, 45662. Phone: (740) 356-5000. Providers update this record themselves, so call before visiting.
How can I verify Stephen M. Lyon, D.O.'s license?
NPPES lists Ohio license number 58004665, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen M. Lyon, D.O. prescribe under Medicare Part D?
In 2024, Stephen M. Lyon, D.O. had 469 Medicare Part D claims for 341 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.