Dr. Matthew D. Johnson, DO
Sleep Medicine (Sleep Medicine (Internal Medicine) Physician)
At a glance
- Medical school
- Ohio University, College of Osteopathic Medicine (2020)
- Years since graduation
- 6
- In the NPI registry since
- 2020
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2020Medical school: Ohio University, College of Osteopathic Medicine
- 2020Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Sleep Medicine (Internal Medicine) Physician primary
OK license 7965 - Student in an Organized Health Care Education/Training Program
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Baptist Health Hardin Elizabethtown, KY
Medical groups
- Baptist Health Medical Group Inc (2,472 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Payments from drug and device companies
In 2025, 6 companies reported 43 payments worth $838 in total to this clinician.
| Harmony Biosciences LLC | $443 |
|---|---|
| Jazz Pharmaceuticals Inc. | $266 |
| Axsome Therapeutics, Inc. | $67.08 |
| Fisher & Paykel Healthcare Inc | $28.80 |
| Lilly USA, LLC | $19.29 |
| Inspire Medical Systems, Inc. | $14.96 |
| Food and Beverage | $793 |
|---|---|
| Education | $45.10 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Harmony Biosciences LLC May 29, 2025 | Education WAKIX · NARCOLEPSY · in-kind | $45.10 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.